Highlights
Age Groups Seen
- Adult
Languages
- English
Gender
MaleEducation & Board Certifications
Education
- Residency: The Ohio State University Hospitals, 1990
- Medical Education: Wayne State University School of Medicine, 1986
- Undergraduate: University of Michigan, 1982
Board Certifications
- Internal Medicine: American Board of Internal Medicine, 1990
Research & Publications
See publications for this provider. (Disclaimer: This search is powered by PubMed, a service of the U.S. National Library of Medicine. PubMed is a third-party website with no affiliation with Cleveland Clinic.)
Industry Relationships
Cleveland Clinic physicians and scientists collaborate with industry to advance medical breakthroughs. These partnerships help commercialize discoveries for public benefit while maintaining scientific integrity. To ensure transparency and minimize potential bias, Cleveland Clinic reviews these relationships and publicly discloses when physicians/scientists receive significant compensation for consulting, serve in fiduciary roles, receive royalties, or hold equity interests related to their work. We manage potential conflicts through approval processes, annual reporting, and targeted management plans.
As of 2026-04-09, Dr. Alfes has reported no financial relationship with industry that is applicable to this listing.
In general, patients should feel free to contact their doctor about any of the relationships and how the relationships are overseen by Cleveland Clinic. To learn more about Cleveland Clinic's policies on collaborations with industry and innovation management, go to our Integrity in Innovation page.
Public Health Service-Reportable Financial Conflicts of Interest. Cleveland Clinic scientists and physicians engage in basic, translational and clinical research activities, working to solve health problems, enhance patient care and improve quality of life for patients. Interactions with industry are essential to bringing the researchers' discoveries to the public, but can present the potential for conflicts of interest related to their research activities. Click here to view a listing of instances where Cleveland Clinic has identified a Public Health Service (PHS)-Reportable Financial Conflict of Interest and has put measures in place to ensure that, to the extent possible, the design, conduct and reporting of the research is free from bias.
* Cleveland Clinic physicians and scientists subscribe to the guidance presented in the PhRMA Code on Interactions with Healthcare Professionals and the AdvaMed Code of Ethics on Interactions with Health Care Professionals. As such, gifts of substantial value are generally prohibited.
Insurances Accepted
Video
Ratings & Reviews
4.9 out of 5
495 ratings, 110 reviewsThe Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.
- 5 out of 5 starsReviewed on 4/30/2026
I love Dr. Alfes!!!! He is always caring, kind and explains things with compassion!!!
- 5 out of 5 starsReviewed on 4/30/2026
Excellent doctor
- 5 out of 5 starsReviewed on 4/23/2026
Appreciate Dr. Alfes
- 5 out of 5 starsReviewed on 4/23/2026
I couldn''t be more pleased with Dr. Alfes and the video call.
- 5 out of 5 starsReviewed on 4/23/2026
Excellent experience. Dr. Alfes is exceptional
- 5 out of 5 starsReviewed on 4/8/2026
Great physician!
- 5 out of 5 starsReviewed on 4/8/2026
Dr. Alfes always a nice guy.
- 5 out of 5 starsReviewed on 4/3/2026
Dr. Alves and staff were the best. Top notch.
- 5 out of 5 starsReviewed on 4/3/2026
Hearing the complaints of my friends, I feel truly blessed to have the CCF and Dr. Alfes.
- 5 out of 5 starsReviewed on 4/3/2026
When I visit Dr. Alfes I ALWAYS have his full attention as we go through my chart or affliction. As a older senior patient, I truly appreciate his understanding.
- 5 out of 5 starsReviewed on 4/3/2026
I really appreciate that Dr. Alfes takes the time to listen to my questions, thoughtfully consider, and answer them. Including using the AI program to provide more in-depth answers as needed. He''s the best primary care physician I''ve ever had!!
- 5 out of 5 starsReviewed on 3/20/2026
Dr Alfes is an extremely good doctor with much empathy for patient and great ability to listen, make recommendations, and assist in all ways
- 5 out of 5 starsReviewed on 3/20/2026
Dr Alfes asked me more question''s than any doctors I have had before.
- 5 out of 5 starsReviewed on 3/20/2026
All of Dr Alfes staff are very good in all they do!!!
- 5 out of 5 starsReviewed on 3/20/2026
Dr. Alfes is the best family dr. I HAVE EVER HAD IN MY LIFE. He is kind, sharp as a nail and a wonderful human being. nothing but the highest regard for his care and professional direction In managing my health. I am quite complicated.
- 5 out of 5 starsReviewed on 3/20/2026
Dr Alfes has been outstanding in explaining all health issues, effectiveness of treatments, all in the context of my health history and the significance of the lab and test results.
- 5 out of 5 starsReviewed on 3/20/2026
Dr Alfes made sure he was informed about my recent blood clot.
- 5 out of 5 starsReviewed on 3/20/2026
Dr Alfes is my wellness doctor. He is a very knowledgeable in his treating my medical issues.
- 5 out of 5 starsReviewed on 3/20/2026
As usual, Dr Alfes was thoughtful, thorough, and a pleasure to talk to.
- 5 out of 5 starsReviewed on 3/20/2026
Alfes staff have assisted me in dealing with several with my medical issuses and kept Dr Alfes fully informed
- 5 out of 5 starsReviewed on 3/11/2026
Dr Alfies is always very professional and always easy to talk with. He Is thorough and gives clear practical advice.
- 5 out of 5 starsReviewed on 3/11/2026
All went well. Doctor was very attentive and explained everything well.
- 5 out of 5 starsReviewed on 3/11/2026
Best Doc I have ever had.
- 5 out of 5 starsReviewed on 3/11/2026
Doctor Alfies has a very good bed side manner. Willing to address any and all questions.
- 5 out of 5 starsReviewed on 3/4/2026
Dr Alfes is very kind and caring and professional. He listens to my concerns. I''m very happy to have him as my primary care physician.
- 5 out of 5 starsReviewed on 3/4/2026
Dr Alfes is wonderful! He oftens shares new medical info in relationship to my existing conditions and I appreciate his candor. He is well read on the latest infotmation/trends/treatments etc and I appreciate him staying up to date. He is a huge credit to Cleveland Clinic
- 5 out of 5 starsReviewed on 3/4/2026
I appreciate the great treatment from Dr. Alfes and his staff. His listening skills and responses are exemplary.
- 5 out of 5 starsReviewed on 2/18/2026
Dr Alfes is always very courteous, Diagnosed my issue very quick and prescribed the perfect drug for cure. I would highly recommend him.
- 5 out of 5 starsReviewed on 2/18/2026
Dr. Alfes always takes the time to cover all my questions and concerns. I appreciate his recommendations & the options for additional treatment.
- 5 out of 5 starsReviewed on 2/18/2026
Dr. Alfes always takes the time to explain everything on my health chart. Allows for easy conversation about concerns I may have.
- 5 out of 5 starsReviewed on 2/18/2026
I have recommended him to my wife
- 5 out of 5 starsReviewed on 2/18/2026
Very pleased with the professionalism Dr Alfes displays during my visit. He covers everything and is up to date on all issues. I always leave with no questions. Grateful he''s my GP.
- 5 out of 5 starsReviewed on 2/5/2026
Dr. Alfes and staff are excellent and I would highly recommend Dr. Alfes.
- 5 out of 5 starsReviewed on 2/5/2026
Dr Alfies is the best primary care physician I have been fortunate enough to meet.
- 5 out of 5 starsReviewed on 2/5/2026
Dr. Alfes is very thorough, caring, professional and great to work with. I appreciate his insights and recommendations.
- 5 out of 5 starsReviewed on 2/5/2026
Dr. Alfies has been our primary doctor for more than two decades. We remain loyal patients who respect his professionalism, thoughtfulness and care. The clinic deserves credit for having him as a valuable member of it's team.
- 5 out of 5 starsReviewed on 2/5/2026
Dr. Alfes has an excellent staff and is an outstanding physician. I would recommend him to anyone but the problem is good practices fill up rapidly and are not open to new patients.
- 5 out of 5 starsReviewed on 1/28/2026
Dr. Alfes is the best doctor I have ever had!
- 5 out of 5 starsReviewed on 1/28/2026
Dr. Alves is awesome. Yes I have recommended him.
- 5 out of 5 starsReviewed on 1/23/2026
Dr Alfes was very helpful in answering questions and addressing concerns. He help me understand and select a health care path forward.
- 5 out of 5 starsReviewed on 1/23/2026
Dr. Alfies is a very engaged and caring provider. Gives his full attention and explains things well.
- 5 out of 5 starsReviewed on 1/7/2026
Dr. Alfes' approach to patient care is great. He's a great listener and takes all the time I need to discuss issues and to ask him for recommendations regarding my care. He's very easy to work with and never rushes me out the door, like some doctors. I appreciate his skill, his knowledge and his interest in my personal health.
- 5 out of 5 starsReviewed on 1/7/2026
Dr. Alfes is absolutely THE BEST! I am really glad he is my primary care physician. I couldn't ask for better care.
- 5 out of 5 starsReviewed on 1/7/2026
Dr Alves is n excellent physician. He was quite familiar with my history , asked meaningful questions and answered all of mine completely.
- 5 out of 5 starsReviewed on 1/7/2026
Excellent provider
- 5 out of 5 starsReviewed on 12/31/2025
Excellent physician
- 5 out of 5 starsReviewed on 12/24/2025
Dr John Alfes is a wonderful doctor. Very knowledgeable. Besides being an excellent clinician, he is a kind man. I highly recommend him
- 5 out of 5 starsReviewed on 12/24/2025
It's a pleasure working with Dr. Alfes. He is smart, pleasant, sharing, perfect for me.
- 5 out of 5 starsReviewed on 12/24/2025
Dr Alfres is always willing to listen
- 5 out of 5 starsReviewed on 12/24/2025
Dr. Ales listens & provides excellent care .
- 5 out of 5 starsReviewed on 12/18/2025
Dr.Alfes is extremely well organized in planning my health care!
- 5 out of 5 starsReviewed on 12/4/2025
The intern was very attentive, through, great bedside manner - just an outstanding young man who made me feel very comfortable. A blessing for the future medical world. He is also fortunate to have Dr. Alfes as his mentor.
- 5 out of 5 starsReviewed on 12/4/2025
Very nice doctor gave me good advice
- 5 out of 5 starsReviewed on 12/4/2025
Usual OUTSTANDING appointment with Dr. Alfes and his team. Service keeps getting better.
- 5 out of 5 starsReviewed on 12/2/2025
Excellent. I needed follow up er visit. My pcp was unavailable, so I visited Dr Alfes. He was marvel and explained so much. I left feeling confident in my health.
- 5 out of 5 starsReviewed on 11/19/2025
The great thing about Dr Alfes is that he definitely takes time and addresses everything. Hes a great listener and for my annual physical I feel good, and at ease under his care and advice. His appts are not rushed and I really appreciate that. Appreciate his insights into medication adjustments as need too. Also like that he uses AI for the appt!
- 5 out of 5 starsReviewed on 11/19/2025
Dr. Alfes is caring professional who I trust totally
- 5 out of 5 starsReviewed on 11/13/2025
Dr. Alfes explains issues thoroughly.
- 5 out of 5 starsReviewed on 11/13/2025
I appreciate the Way Dr. Alfes read my email and acted on my requests before I even entered his office.
- 5 out of 5 starsReviewed on 11/13/2025
Very good doctor to work with
- 5 out of 5 starsReviewed on 11/13/2025
Dr. Alfes is the one who accurately diagnosed me with normocalcemic primary hyperparathyroidism about 5 years ago, and that helped me out a lot.
- 5 out of 5 starsReviewed on 11/6/2025
John is a great physician
- 5 out of 5 starsReviewed on 11/6/2025
Excellent Doctor.
- 5 out of 5 starsReviewed on 11/6/2025
Would recommend dr Alfes's he was very helpful and knowledgeable
- 5 out of 5 starsReviewed on 11/6/2025
I feel very comfortable with Dr. Alfes,Very professional and personable. Would recommend him for a PCP.
- 5 out of 5 starsReviewed on 10/16/2025
Dr Alfes was very thorough and did a great job in discussing my medical conditions
- 5 out of 5 starsReviewed on 10/16/2025
Love Dr. Alfes
- 5 out of 5 starsReviewed on 10/8/2025
Doctor Alfes was exceptionally well matched to my desired philosophy of care provided by a primary care physician. I was impressed by his attention to detail and logical thought process which was refreshing.
- 5 out of 5 starsReviewed on 10/8/2025
Dr Alfes spent over 45 minutes discussing my medical history and explaining what my medication was doing to improve my health.
- 5 out of 5 starsReviewed on 10/8/2025
Dr alfes is very caring
- 5 out of 5 starsReviewed on 10/6/2025
As always, a great experience to deal with Dr. Alfies and his staff.
- 5 out of 5 starsReviewed on 10/6/2025
Great Dr.!9
- 5 out of 5 starsReviewed on 9/24/2025
Dr. Alfes is an engaging and thoughtful caregiver.
- 5 out of 5 starsReviewed on 9/24/2025
My doctor is very compassionate and takes the time to answer all my questions. He is very assuring and suggested many ways to keep me safe and encouraged steps to keep my balance stable and body strong.
- 5 out of 5 starsReviewed on 9/17/2025
Dr Alfes is always on time, he is very approachable, thorough, receptive to new options, provides detailed explanation, is empathetic and has my best interest at heart
- 5 out of 5 starsReviewed on 9/17/2025
Dr. Alfes is always patient, listens to my questions and concerns and answers them in a knowledgeable manner.
- 5 out of 5 starsReviewed on 8/27/2025
Dr Alfes is a very pleasant doctor. He listens and is open in a very pleasant engaging way.
- 5 out of 5 starsReviewed on 8/20/2025
It is always a pleasure to see Dr. Alfes as he is very caring, kind and has a gentle spirit!!!
- 5 out of 5 starsReviewed on 8/18/2025
Dr Alfes is the best Dr I've had as an adult! My health provider tried to assign me a different PCP and I refused because he has always been attentive and caring physician
- 5 out of 5 starsReviewed on 8/18/2025
Dr. Alves should be called Dr. Awesome.
- 5 out of 5 starsReviewed on 8/18/2025
Dr. Alfes is an exceptional physician. He consistently takes the time, genuinely interested in each patient. He reviews medications, offers advice, earnestly LISTENS. My husband and I both feel appreciative and GRATEFUL for his services and direction. His assistants are also high caliber. Thank YOU!
- 5 out of 5 starsReviewed on 7/28/2025
Have recommended him to others
- 5 out of 5 starsReviewed on 7/28/2025
We talked through my issues and the doctor gave a diagnosis based on my symptoms c
- 5 out of 5 starsReviewed on 7/17/2025
Dr Alfies is friendly and knowledgeable
- 5 out of 5 starsReviewed on 7/11/2025
Dr Alfes is a wonderful doctor. Courteous, thorough and knowledgeable. Give him a raise.
- 5 out of 5 starsReviewed on 7/11/2025
The individual who set up my appointment was very helpful in making sure, if at all possible, to see Dr. Alfes
- 5 out of 5 starsReviewed on 7/11/2025
Dr. Alfes is very thorough and takes the time to go over my medical record and answer any questions. I felt that he cares for me as a person and I am happy that I can count on him as my new primary care physician. I would highly recommend him to others.
- 5 out of 5 starsReviewed on 7/9/2025
Dr. Alfes is an incredible physician, and listened to and answered all my questions.
- 5 out of 5 starsReviewed on 7/9/2025
I often mention Dr. Alfes to my friends as a 'premier physician who cares about his patients...
- 5 out of 5 starsReviewed on 7/9/2025
Dr. Alfes is a fantastic ccare giver. He listens carefully and makes sure I understand my problem. In this case it was bursitis.
- 5 out of 5 starsReviewed on 7/9/2025
Dr. Alfes is very good!
- 5 out of 5 starsReviewed on 7/2/2025
Dr. Alfes, always takes time to review everything and truly listens to me.
- 5 out of 5 starsReviewed on 6/26/2025
Dr Alfes was thorough and very easy to talk with
- 5 out of 5 starsReviewed on 6/18/2025
Excellent visit. Dr alfes very kind and patient. Very thorough. Not rushed
- 5 out of 5 starsReviewed on 6/18/2025
Dr. Alfes is a very good doctor
- 5 out of 5 starsReviewed on 6/18/2025
Always a very positive experience with clinic and Dr Alfes
- 5 out of 5 starsReviewed on 6/13/2025
Dr Alfes should be the standard on which all other doctors are judged. He is the best of the best.
- 5 out of 5 starsReviewed on 6/13/2025
Dr Alfes was extremely helpful and patient with me. He took the time to explain my general health and recommendations to improve certain aspects of it. Excellent doctor!
- 5 out of 5 starsReviewed on 6/13/2025
Because this provider he had been so good with me over a couple year period, I recommended him to my wife when she needed a PCP. In other words he was worthy of high praise.
- 5 out of 5 starsReviewed on 6/13/2025
Dr Alfes was as professional and helpful as you could possibly ever want in a doctor.
- 5 out of 5 starsReviewed on 6/13/2025
Dr Alfes is the very best!
- 5 out of 5 starsReviewed on 6/13/2025
Dr. Alfes is an outstanding doctor and representative for the clinic. His is very knowledgeable and knows is field very well.
- 5 out of 5 starsReviewed on 6/6/2025
Great job all the way around by each provider during my visit
- 5 out of 5 starsReviewed on 6/6/2025
See earlier comments re: Dr. Ales . He Is really a great provider . .
- 5 out of 5 starsReviewed on 6/6/2025
Dr. Alfes saved my life. He saw something and made it possible for a quick diagnosis. Had we not done exactly what he said I might not be here. He's the best of the best. I owe him and his staff a debt I'm afraid I'll never be able to repay.
- 5 out of 5 starsReviewed on 5/28/2025
Dr. Alfes is a pleasure to work with. He is professional, personable, and always interested in what I'm saying. First Class in every respect.
- 5 out of 5 starsReviewed on 5/28/2025
Everyone polite and professional. Answered all my questions, made me feel comfortable. I would feel very comfortable In recommending Dr Alfes to friends and family.
- 5 out of 5 starsReviewed on 5/21/2025
Once more great guy great Doctor
- 5 out of 5 starsReviewed on 5/21/2025
Dr. Alfies and his office responds quickly and promptly with information that I ask either in person or when I message my doctor
- 5 out of 5 starsReviewed on 5/21/2025
Dr Alfes listens to my concerns and ask many questions that may prompt other questions by myself