Jonathan B. Karnes

Jonathan B. Karnes, MD

Patient Rating
4.9 out of 5 (728 Ratings, 228 Comments)
Name Pronunciation:

Profile

Gender:
Male

Specialty:

Dermatology

Areas of Interest

Jonathan Karnes, MD, has special fellowship training in dermatology. He is employed by MDFMR Dermatology Services and is a member of MaineGeneral Medical Center's active staff. He also is a faculty member in the MDFMR program.

Languages Spoken

  • English

Education

Education

2007
James H. Quillen College of Medicine/East Tennessee State University, Johnson City, TN, Medical School

Residency

2010
Maine Dartmouth Family Medicine Residency, Augusta & Fairfield, ME, Family Medicine

Fellowship

2011
University of Texas Health Science Center, San Antonio, TX, Dermatology

Teaching or Professional Positions

  • Faculty, Maine-Dartmouth Family Medicine Residency

Professional Memberships

  • International Dermoscopy Society
  • National Psoriasis Foundation
  • American Association of Family Physicians

Board Certifications

  • American Board of Family Medicine

Office Information

Locations

Patient Reviews

October 30, 2025
I am a happy with the care they give me
October 30, 2025
Personable front desk staff and medical assistant. Thorough assessment by MD.
October 30, 2025
If all of Maine Generals Department operated as efficiently we'd have a Gold Star Hospital! Always, professional, interested in the patient on all levels. This group is the BEST!
October 29, 2025
Dr Karnes and his staff always put me at ease and always include me when making any decisions about my care. Dr Karnes has overseen my Dermotology care for years now and I would not go anywhere else. I trust him and his team.
October 28, 2025
I could have used a post exam summary to remember all the spots I need to treat with cream
October 23, 2025
Always well treated and good atmosphere. Went the extra mile this time for a quick unscheduled procedure.
October 22, 2025
Dr. Karnes was very helpful in suggesting treatments for a skin condition.
October 22, 2025
Dr Karnes and his team are the best. Compassionate,caring and very professional.
October 22, 2025
Dr Karnes is top notch, excellent doctor, good communicator, takes good care of me
October 22, 2025
Appreciate Dr. Karnes and the staff. Professional, knowledgeable and caring
October 22, 2025
Dr. Karnes is thoughtful, caring and thorough. He makes sure I am heard and answers questions in a way I understand. I always go away feeling that any concerns or questions have been appropriately addressed. His staff are always kind and helpful. I feel fortunate to be able to access Dr. Karnes and staff for my dermatology care.
October 22, 2025
Dr Karnes is caring, intelligent, knowledgable man with a calming personality which is perfect for me since I sometimes am anxious and worried. I've been coming to him 2 times/year for the past almost 15 years and wouldn't change a thing.
October 20, 2025
I feel fortunate to have Dr. Karnes as part of my heath care team.
October 20, 2025
Wonderful doctor and staff.
October 16, 2025
As usual, it was a very positive experience !
October 13, 2025
Dr. Karnes is very thorough and a pleasure to visit. I always feel like I am in good hands!
October 06, 2025
Excellent
October 02, 2025
Dr Karnes is professional and pleasant. His team is exceptional in providing a comfortable experience.
October 02, 2025
Excellent attention given to me by the whole medical team.
September 30, 2025
Great office visit
September 29, 2025
All my questions and concerns were addressed.
September 29, 2025
Dr Karnes is excellant
September 25, 2025
Everyone was kind, helpful and doctor was reassuring and seemed very competent in his treatment of my condition.
September 24, 2025
Dr Karnes showed compassion and easily explained what he needed to for treatment. He was quick and very thorough in administering the liquid nitrogen. I was given instructions for care and a follow-up appointment. I was in and out of my exam within 25 minutes . The front office staff were able to schedule my appointment within a day of our call.
September 22, 2025
As I have found with other offices, the RNs are far less helpful than the receptionists and doctor.
September 18, 2025
All experiences have been A+
September 18, 2025
Dr Karnes is the best..thx
September 17, 2025
Great experience with a great team!
September 16, 2025
I felt confident in Dr. Karnes to go through with procedure that saved me from my issue getting worse. So Much Appreciation
September 11, 2025
Dr karnes is awesome one of the best would recommend him to any of my friends thank you for having caring Doctors like him. ????????
September 09, 2025
Dr Karnes and staff were professional, caring, and thorough! Great experience, as always!
September 03, 2025
I have been very satisfied with every time I have been there.
September 03, 2025
The best
September 03, 2025
Love going to this office. Fast and efficient. I have never waited more than a few minutes to be seen.
September 02, 2025
Great service
September 02, 2025
Dr. Karnes is always professional while being very caring. He asks about my family and takes the time needed to get the best care.
August 27, 2025
I got checked in without a long wait. I didn't have to wait very long to see Dr Karnes! His nurse went over my records and medications with me in a very timely manner and had everything on file. Dr. Karnes was very nice and professional! He checked my wart out that was questionable as well as a few others and I was on my way out in a VERY timely manner!! I would definitely recommend Dr Karnes and the Dermatology Department in Augusta located in the old but very nicely redone hospital!! Thank you!
August 27, 2025
Very professional and respectful. Wish they were able to take on a new patient, as my partner would like to be seen by Dr. Karnes.
August 26, 2025
Dr. Karnes is a great person that reflects in his thorough assessment. He has a sense of humor, but professionalism is first.
August 26, 2025
Dr Karnes is amazing! So knowledgeable and caring
August 25, 2025
The practice is great!
August 21, 2025
I told my nurse that Dr Karnes is the only male Dr I have and trust. He's kind, listens, gives me all the information I need and never makes me feel like I'm an idiot for asking the questions I ask. I am grateful.
August 21, 2025
Dr. Karnes is great and very informative. It would be helpful to be able to get itemized receipts for copays to submit to HSA while in the office
August 20, 2025
Everyone was very knowledgeable and kind. I felt comfortable and knew I was in good hands. I highly recommend this practice.
August 20, 2025
I appreciate that I can trust Dr Karnes and that he explains my issues so I can understand my diagnoses l. I have found everyone at this office is helpful and friendly
August 20, 2025
Very nice people.
August 19, 2025
I am grateful for Dr Karnes and his assistant. They have always listened to me and made recommendations when needed
August 19, 2025
The team are very nice and kind..Dr. karnes is a very special doctor and always happy to see him.
August 14, 2025
Great teamwork
August 13, 2025
Wonderful people! Nice and friendly!
August 13, 2025
My caregiver and my visit were very professional and very targeted toward my own personal needs and goals. Very, very satisfied and I always have been. Thank you very much.
August 07, 2025
Dr Karnes is an excellent dermatologist.
August 07, 2025
Dr Karnes and his MA always make me feel at ease. He always listens to my concerns and explains everything he is doing. This practice is one of the best.
August 05, 2025
Excellent care. Staff was awesome as usual.
August 05, 2025
I'm very appreciative, and thankful for Dr. Karnes expertise. Amazing staff also. By far, one of the best practices I have encountered in the MaineGeneral system. Kind, thorough and helpful.
August 04, 2025
Dr. Karnes and staff were very caring and helpful. I am thankful for their care and honesty.
August 04, 2025
Dr Karnes does a great job
July 28, 2025
with welcome staff facilitation and support, continuity of specialty care most appreciated - extending thanks to all -
July 28, 2025
Dr. Karnes and his team are always very kind and my concerns are explained in terms which can be understood.
July 28, 2025
Dr Karnes is outstanding!
July 28, 2025
I love Dr Karnes and his team, he is a very intelligent Dr and has helped me immensely ?
July 23, 2025
The office is very kind and very friendly and it makes a real big difference when it's like that and everybody's pleasant. Thank you.
July 23, 2025
Quality Care
July 23, 2025
I wish all my doctor appointments went so well.
July 23, 2025
Great care and attention given. Thank you
July 17, 2025
Dr Karnes is very thorough and informative and answers any questions I may have. Thank you!
July 17, 2025
Dr. Karnes was very patient and his assistant helped me very much. They listened to me, gave me some information on peels, not to worry about some of the different spots that might be on my skin. Wasn't rushed at all. Very satisfied with his care. Very compassionate.
July 17, 2025
Very happy with my care. Very thorough.
July 17, 2025
I think them people done a hell of a job. And if I was you people, I would not want you to lose to that man. Thank you.
July 17, 2025
Dr. Karnes and his nurse were very kind and knowledgeable. They practice a "Gold Standard of healthcare !
July 17, 2025
Dr Karnes is the best !! So blessed to have him at Maine General
July 14, 2025
It speaks for itself.
July 10, 2025
Dr. Karnes is a truly excellent physician, and I appreciate his care so much
July 09, 2025
Dr. Karnes and all of his staff are always caring and informative. Always a pleasant experience.
July 09, 2025
Very happy here. Dr. Karnes is the best!! Always a pleasant visit!!
July 09, 2025
Always helpful.
July 09, 2025
Yeah, they did alright with me. They have before and I've got no complaints. So I'd recommend anybody go there. Thank you.
July 09, 2025
Unfortunately, the prescribed medication was denied by Medicare, so I won't be using it. Not a big deal. It might have been nice, but it doesn't seem like a problem. My current self-care should resolve the issue, just might take longer!
July 08, 2025
Always enjoy visits with Jonathan! Have a nice Summer!
July 07, 2025
Always friendly and professional
July 07, 2025
Dr Karnes saved my everyday life 8 year's ago and still to this day continues to have the knowledge to keep helping me, I wish more doctors were like him!
July 07, 2025
Excellent treatment from all staff- computer problem complicated checkin, staff were calm and most patient in resolving. Dr Karnes is the best...
July 07, 2025
Doctor very efficient, knowledgeable and has a great "bedside manner".
July 02, 2025
Dr. Karnes is always kind, patient, and informative. I would have liked the nurse to introduce herself. She was very nice.
July 02, 2025
Always a pleasure.
July 01, 2025
Dr Karnes is phenomenal. He always answers all my questions (I ask a lot of questions). I never feel rushed by him. He makes me feel valued and respected and gives me the time I need to get all questions answered.
June 30, 2025
Awesome care from coming as well as going. The volunteers were so welcoming. I complimented them for even taking me to the right place. All staff were kind and professional and respectful. Thank you all.
June 26, 2025
Dr Karnes is always available and listens well. I know I'm heard and he tells me what options are available and then works with me to make the best medical decision for me. I appreciate his range of options always working towards the least invasive. He also is being easy to talk to and he listens
June 26, 2025
Efficient and friendly
June 26, 2025
Friendly knowledgeable and efficient Thank you Dr Karnes and staff
June 26, 2025
Always a good experience Great Dr care and staff
June 25, 2025
Dr. Karnes is a wonderful doctor. I would say everything good about him. And the girl that was with him, she was just as nice and treated me well. And I just think they're wonderful.
June 25, 2025
I have been going to see Dr. Karnes for many years and I would not go anywhere else.
June 24, 2025
Dr Karnes is truly an asset to your organization. If he ever leaves, I'm following him.
June 18, 2025
Always feel comfortable and love the doctor and staff who put you to ease and always listen to all I say,(which is too much on my part). Thank you for your observation of cancer spots.
June 18, 2025
I really enjoy Dr Karnes he doesn't make me feel rushed. Always asks about summer plans. He's the best
June 17, 2025
Dr Karnes is a skilled and compassionate doctor.
June 17, 2025
Thank you for the excellent care you provide
June 12, 2025
We always feel confident with our visit.
June 11, 2025
Dr Karnes is very patient centric, so good.
June 04, 2025
I was definitely satisfied with my care!
June 03, 2025
I'm fortunate to have this team.
June 02, 2025
Was very happy with my outcome with my visit at Maine General Health. Your staff and Doctor was very friendly and I feel very safe. Thank you .
May 29, 2025
Great care from a Dr. whom I have trusted for many years !
May 21, 2025
Dr Karnes and staff are excellent
May 21, 2025
Always very experienced and helpful -- staff and medical professionals both
May 20, 2025
Love having the office at Thayer!
May 20, 2025
Thanks to the team for taking care of our family
May 19, 2025
Dr. KARNES AND HIS STAFF WERE PROMPT, COURTEOUS, AND EFFICIENT WITH CARE. IT HAD ALWAYS BEEN A PLEASURE TO VISIT WITH THESE FOLKS!
May 15, 2025
Everything was perfect as usual!
May 15, 2025
Friendly, professional, and knowledgeable
May 15, 2025
Found a bad mole on my left arm and took it off for testing. Waiting for results. Docter was very helpful in making a Decien.
May 13, 2025
Grateful for having Dr. Karnes available to us here at the Thayer unit's Waterville facilities. Convenience is a significant factor as we Baby Boomers age out. Dr. Karnes is a no-nonsense amiable practitioner and always a welcoming pleasure to meet with.
May 13, 2025
Dr. Karnes and his assistant were fully aware of my history and discussed my condition in a way that was understandable to me. They were not hurried, rather provided the time needed for a complete evaluation. It was all a good experience.
May 08, 2025
Dr. Karnes is a great doctor and we are lucky that he is practicing at MaineGeneral!!
May 08, 2025
Knowledgeable friendly experience
May 08, 2025
Good job thank you very much
May 07, 2025
Dr Karnes and staff are excellent.
May 07, 2025
Very nice feels like at home. Thanks
May 07, 2025
Dr. K. and his complete staff are Great and I trust them with my care 100%.
May 07, 2025
Dr Karnes is the best ?
May 06, 2025
Dr. Karnes and his assistant was very, very attentive. Really good people. Trust them with everything.
May 01, 2025
Have always been satisfied with the treatment of my skin problems by Dr. Karnes.
May 01, 2025
Dr. Karnes is a very caring doctor and always wants to give you the best care and treatment possible. I am so glad I have had him treat me for many years.
May 01, 2025
They're the best!
May 01, 2025
It was well organized, friendly, efficient and organized.
April 29, 2025
Dr. Karnes is the best and I would give him 100 out of 10 if I could. Very kind and knowledgeable. He listens and always tries to give me what I need to get to my desired goal for my skin! His team is also amazing, very kind and makes me feel at ease whenever I go in!
April 24, 2025
The doctor and the nurse were very pleasant I liked both of them very much and was very pleased with the Service I received thank you
April 24, 2025
Very comfortable and very positive really like these people .talk to me with care and so I knew what was going on .I think was one of the best team of professionals I have dealt with with right with my family Drs. Very happy with this team I was worried I fell good with these folks thank you very much ! Great people !!!
April 24, 2025
I was very pleased with my visit. They were helpful and professional.
April 23, 2025
Top notch!
April 17, 2025
I don't think you have very much to improve on there because I went up for my appointment and I was on time and I didn't have to wait. Dr. Karnes is an excellent doctor. He checked me right over and told me everything I needed to know. He does an excellent job and so did the whole crew. Thank you. Bye.
April 17, 2025
Everyone was very nice and efficient! I would highly recommend this office!
April 16, 2025
It's always a pleasure to meet with Dr. Karnes: friendly, knowledgeable, answers my questions.
April 16, 2025
As always, everyone was friendly, helpful and professional. An excellent team.
April 14, 2025
Dr Karnes and his staff are a great team. I completely trust his judgement when it comes to my medical treatment.
April 14, 2025
Short wait time
April 11, 2025
Dr. Karnes provides great care.
April 11, 2025
Dr Karnes couldn't be more compassionate, professional and caring. He and his team put me at ease, explain everything and do outstanding work. I have been a patient of Dr Karnes for years now and truly appreciate him always being there for me.
April 10, 2025
Always not rushed and thorough. I leave knowing that the bad guys will be found and excised before invading,
April 10, 2025
Dr. Karnes and his nursing staff are great! I highly recommend them.
April 09, 2025
Thank you
April 03, 2025
Very polite and considerate.
April 03, 2025
You guys have a great staff and I appreciate your professionalism
April 02, 2025
Dr Karnes is the best, I never mind coming to my annual appointment because I know he will listen to any concerns I have
April 02, 2025
Im a happy with the service i get
April 01, 2025
Yes, good morning. I had an appointment with Dr. Carnes and I couldn't possibly be more satisfied with the level of care. He's interested all the time. He asks the proper questions. His bedside manner is excellent. His nurse even laughs at my jokes. Thank you.
March 27, 2025
The staff and Dr Karnes were personable and thorough. Couldn't have asked for any better!
March 26, 2025
Very caring and concerned about my well being.
March 25, 2025
Dr Karnes was very knowledgeable and kind and i appreciate him helping me try to get some skin issues resolved.
March 18, 2025
Always an enjoyable experience..even when theres 'cutting' procedures
March 18, 2025
Dr Karnes is excellent. He listens well and explains things in a clear & concise manner
March 18, 2025
The nurses were excellent, the reception was excellent, and Dr. Karnes is a really good doctor. He knows exactly what he's looking for and he knows exactly what to do when he sees it. So thank you very much and thank you Dr. Karnes.
March 18, 2025
They are very caring, friendly and polite. They are the best!
March 13, 2025
Thank you Dr. Karnes for taking the time to talk to me and put my fears at ease. I appreciate all your support over the years!
March 12, 2025
Dr Karnes and the staff are always pleasant and make the visit go smoothly.
March 11, 2025
I was confused when leaving about when the follow up visit would be. I thought it would be 8 weeks and the medical assistant said ASAP. She won.
March 10, 2025
Dr. Karnes is a wonderful doctor and very thorough, kind and intelligent.
March 06, 2025
Always a good appointment with Dr. Karnes!!
March 05, 2025
Friendly and very professional. Complete trust under their care.
March 05, 2025
Dr. Karnes is simply the best. What a wonderful man; true professional!
March 05, 2025
1st PSR nice lady. Should ask open ended questions, can you tell me your address, what is your phone number etc.
March 04, 2025
Staff are pleasant and caring. Dr Karnes has a genuinely caring bedside manner. With all my family's history of skin cancer, I am lucky to have him and his staff keeping and eye on me.
March 04, 2025
First dermatologist appt., and Dr. Karnes was very thorough in looking at the spots on face and body, gave me options as to treatment. The derm tech was also very friendly and professional as well, overall a good experience.
March 03, 2025
Dr Karnes and all of his staff are amazing! They know me and my history s ok well! Also there was a student physician who was very kind and took interest in my case.
March 03, 2025
Dr was knowledgeable, personable, and caring.
February 27, 2025
My appt. was on time, friendly and all members were very professional. Dr. Karnes is friendly, knowledgeable and efficient. Of several doctors I see he's one of the best.
February 25, 2025
Happy to find a good dermatologist
February 24, 2025
Love the staff
February 21, 2025
Hi. The doctor was super nice and so was his nurse and very thorough and very kind considering my husband has skin cancer and explained everything. So I'm very, very impressed and glad that I am connected with the clinic and himself so he can continue monitoring me over the years. Thank you.
February 20, 2025
No issues whatsoever with staff and Dr. Karnes
February 20, 2025
Excellent, as usual.
February 20, 2025
Dr. Karnes and his staff were great! He explained everything he did beforehand and made sure I understood in detail. I was also provided with a print out of what to expect from my procedure including an image of what it should look like for care.
February 13, 2025
Dr. Karnes is not only one of the most intelligent doctors I know, but one of the kindest. I felt seen and heard and safe with him. He explained what was going on, went through treatment options in great detail I could understand, and helped me make an informed decision about my treatment. I also know him to be an exceptional teacher and deeply good part of our community here in Maine. His MA was also lovely and very professional, knowledgeable, and kind! They were on time and front staff was great, too. I left my visit with a full heart and confidence for improved skin health! Thank you!
February 13, 2025
It was a comfortable and comprehensive visit. It was right on time.
February 12, 2025
Very kind and Courteous.
February 11, 2025
Love them all!!
February 10, 2025
Dr. Karnes and also the medical assistant were excellent.
February 06, 2025
I have gone to this practice for years and always had the best care. Dr Karnes is an exceptional doctor and explains all steps in my care. From the time the MA gets me set up until the time I leave, I know I'm well cared for.
February 06, 2025
Timely, friendly and trustworthy
February 04, 2025
As always, friendly, professional and efficient.
February 04, 2025
Dr. Karnes and staff are both professional and knowledgeable. As important, is their remarkable bedside manner in making patients feel confident about their treatment and dispelling their anxieties.
February 04, 2025
They were engaging and helpful.
January 30, 2025
I have always found Dr. Karnes and his assistant, whoever might be assisting him that day, to be very cooperative and very helpful and I've never had a problem with him and I would recommend him highly to other people. Okay, thank you. Goodbye.
January 30, 2025
I always enjoy seeing Dr. Karnes. He's a very good man, a very kind man, and very pleasant. So it's not like a race, it's just an enjoyable experience. It's not a hard experience. And the whole team seems to be fine. So I thank everyone very much. Thank you.
January 29, 2025
Dr Karnes and his team are the best!!!
January 29, 2025
Dr karnes is very knowledgeable about skin care one of the best doctors
January 27, 2025
Very professional and friendly personnel
January 27, 2025
Very pleasant. It is nice to see the same provider year after year.
January 23, 2025
Dr. Karnes is great. I always feel he puts me at ease and that he cares. He knew what to do for my spot of Alopecia. Gave me a dose of medication to help stimulate hair growth in that spot. He finished by telling me to call him anytime I need to. I'm thankful I was referred to him. I would highly recommend him to anyone.
January 21, 2025
Outstanding medical care. Wonderful Doctor and his super helpful assistant!
January 20, 2025
Dr. Karnes is a very caring physician and explained everything, in understandable terms, as he was performing the planned procedure.
January 20, 2025
Great team and always informative and professional!
January 16, 2025
Doctor and staff top notch. I couldn't ask or expect any better care.
January 15, 2025
Dr Karnes
January 14, 2025
Always the most knowledgeable professional medical staff ever
January 10, 2025
Great people
January 09, 2025
This was an overall great experience.
January 07, 2025
All went well
January 07, 2025
Dr Karnes is the best, he helped make my life enjoyable after years of pain!
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