John A Horn

John A Horn, MD

Family Medicine

Provider Groups

  • Mount Carmel Medical Group

  • Mount Carmel Health Partners

Primary Contact

614-627-1880
Appointments (Existing Patients Only)
Provider Groups
  • Mount Carmel Medical Group

  • Mount Carmel Health Partners

Primary Contact
614-627-1880

Services & Specialties

Areas of Specialization

  • Family Medicine

Locations & Contact

Primary Location

Mount Carmel Medical Group Grove City Family Health

6024 Hoover Rd
Ste A
Grove City, OH 43123

View hours
Monday
7:30am - 5:00pm
Tuesday
7:30am - 5:00pm
Wednesday
7:30am - 5:00pm
Thursday
7:30am - 5:00pm
Friday
8:00am - 4:00pm

Education & Certifications

Education

Internship:
Grant Medical Center

Education:
Ohio State University College of Medicine (1995)

Board Certifications

Family Medicine, Family Medicine, American Board of (1998)

Provider Groups

Mount Carmel Medical Group

Mount Carmel Health Partners

Provider Ratings

The following ratings and reviews are based on verified feedback collected from independently administered patient experience surveys. The ratings and comments submitted by patients reflect their own views and opinions. Patient identities are withheld to ensure confidentiality and privacy. Learn More >

4.9 out of 5

(333 ratings)

The 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.

116 Reviews

10/03/2025

Excellent doctor!

10/02/2025

Love him!!!!

10/02/2025

Always professional, and courteous

09/30/2025

Good Doctor that always seems to listen.

09/26/2025

I have been a patient of Dr Horn for years and have complete confidence in him.

09/25/2025

The follow-up after this appointment is much appreciated.

09/23/2025

I am very happy with this provider.

09/22/2025

I trust him with my health

09/22/2025

Very pleasant

09/19/2025

DR Horn knows what he is doing. Great Doctor and staff.

09/12/2025

WONDERFUL!

09/11/2025

Dr Horn has given good advice for my health care.

09/09/2025

Been seeing Dr.Horn for at least 20 years and always pleased with the care.

09/08/2025

Dr Horn is always easy to talk to and does a great job explaining things-

09/08/2025

all good

09/04/2025

Dr Horn has always been very patient and very kind. He鈥檚 always very knowledgeable and up to date in his medical practice.

09/02/2025

Explores various options on treatments or medications. Always works with my husband and I.

08/29/2025

A very smart, caring and respectful doctor and human being!

08/26/2025

I like dr horn very much,he is very patient and understanding.a really good person.

08/22/2025

Great Dr and I have every confidence in his abilities.

08/21/2025

Great Doctor. Listens to what you have to say. I have such confidence in Doctor Horn that if I am sick and I can get in to see him he will know exactly what to do to make me well again.

08/21/2025

The best doctor I have had the pleasure of seeing, even when miserable!

08/21/2025

Dr. John Horn is the best.

08/21/2025

He is always been a good doctor that I trust with my life.

08/18/2025

Always listens. Never seems to be in a hurry which is wonderful. Will take the time to explain things. And in my experience is always prompt.

08/18/2025

Excellent!!!!!

08/12/2025

The best Doctor in Columbus

08/12/2025

I feel so fortunate to have Dr. Horn as my doctor!

08/01/2025

He鈥檚 very kind and friendly with us. When my husband passed He tried calling our family.He has always been an excellent doctor, and professional, helping us to understand the medical condition.

07/31/2025

Answered all my questions, was very polite and informational about the procedure he was performing. Letting me know when I would have my results and to come back

07/28/2025

Dr. Horn is amazing. He is so truly concerned about his patients' well-being. His knowledge and experience bring his patients the best care available. He is always attentive, hearing every detail his patients provide. He thoroughly explains their issues and treatments. He is always genuinely helpful and friendly. He makes visits as pleasant as possible. He is a legend in my condo complex. Those who are blessed to have him as a doctor are thrilled they do. And those who don't are on his waiting list.

07/28/2025

There is NO BETTER DOCTOR THAN DR. HORN.

07/25/2025

Very good

07/24/2025

Dr Horn has been my provider over 15 years and always provided the best care. Always answers any and all questions I have regarding my health and any treatments.

07/24/2025

Dr. Horn is what every gp should be. He listens and explains what is going on from your diagnosis to the treatment.I always highly recommend him

07/24/2025

John Horn and his staff has always been great

07/22/2025

As my wife and I age he knows exactly what is going on when we have a problem. He explains everything so we can understand clearly and only recommends tests and procedures that are absolutely necessary.

07/21/2025

I am very comfortable with him.

07/18/2025

Dr Horn has been my Dr for years. I am completely committed and comfortable with him. He is so easy to talk with and he watches over my health.

07/18/2025

Dr. Horn is always so personable. I drive from the Cleveland area just so I can keep him as my family doctor.

07/17/2025

Would highly recommend him

07/17/2025

Above and beyond. I have anxiety centered around anything medical, but Dr. Horn skillfully manages my care, while keeping me calm.

07/15/2025

He always explains everything in detail and doesn鈥檛 seem to be in a hurry to get out. Best Dr ever!

07/14/2025

Dr. Horn is patient, answers all questions, and is knowledgeable in explaining all things well.

07/11/2025

Would see him again.

07/08/2025

He was wonderful

07/07/2025

He and his staff makes the patient feel important to them.

06/27/2025

Amazing Doctor meets all my needs

06/26/2025

Great Doctor

06/24/2025

Loved it

06/23/2025

did a great job.

06/19/2025

Dr Horn called about issue after hours to check on how my husband was doing.

06/19/2025

Always great

06/19/2025

Thank you all

06/13/2025

Great physician

06/13/2025

Dr. Horn is an excellent physician. He is thorough and knowledgeable. He is kind, compassionate, patient, and explains information well.

06/12/2025

I drive across town to see Dr. Horn. He is great in every aspect

06/06/2025

I felt so comfortable... everything was A++

06/02/2025

Showed professionalism and compassion

06/02/2025

My care is always very good

05/20/2025

Dr. Horn is extremely good in both knowledge and decision making.

05/20/2025

Explained everything to me in detail

05/15/2025

Very good

05/12/2025

All went well

05/09/2025

Dr. Horn is a great guy. Explains everything so you can understand. I鈥檝e been coming there for years. Always treated great. Dr. Horn is always friendly.

05/02/2025

My husband and I both have been with Dr. Horn for many years and I鈥檝e referred many people to him. Anytime we need a specialist for any issue. He has always had great recommendations.

04/28/2025

Ever since I started seeing Dr. Horn I have had nothing but great,thorough and caring experiences.

04/17/2025

Very professional

04/14/2025

He listens well and explains things well. Very professional.

04/10/2025

I really appreciate Dr. Horn's kindness and patience! He is very helpful and i always feel more positive about my health after my visits!

04/04/2025

He is great, Dr Horn

04/03/2025

Hope to be able to continue with this provider

03/31/2025

I鈥檝e always had good experience with Dr. horn and his staff a lot of years

03/31/2025

Dr Horn is pleasant caring and concerned spends time listening and provides information to address issues

03/27/2025

All good

03/21/2025

My doctor answered all my questions and addressed all my concerns. Very attentive listening and help me start the path of getting back to my healthy lifestyle.

03/20/2025

Dr. Horn is the best. Really cares and listens to understand and explains thing clearly.

03/18/2025

He is the best.

03/18/2025

The BEST!

03/17/2025

So grateful for him.

03/17/2025

Very good exchange of information and history with the doctor.

03/14/2025

We place a well-deserved trust in our PCP.

03/13/2025

Great Doctor and great staff.

03/07/2025

Like we said before . The reason we are at this practice is Dr Horn.

03/04/2025

No problems

03/04/2025

I will be back when I need care.

02/27/2025

great listener

02/27/2025

Very good experience.

02/25/2025

No complaints

02/24/2025

that office is awesome

02/21/2025

I have been going to him for over 20 years, I think that says it all!

02/21/2025

Dr Horn totally understood my medical issues

02/20/2025

The absolute best.

02/20/2025

Dr Horn is a very thorough physician

02/18/2025

Super experience

02/14/2025

Always kind and thorough

02/14/2025

He was very caring and gave me exceptional care

02/13/2025

Always on time.

02/10/2025

Dr. Horn always listens and explains things to patients, in a way that is easy to understand.

02/06/2025

Great

02/06/2025

I arrived and checked in about 10 minutes before my appointment time, but I was not registered until about 15 minutes past my appointment time.

02/06/2025

All great

01/30/2025

Dr. Horn is the best for me and my family. Always real!

01/28/2025

It was my first time meeting Dr. Horn. I look forward to working with him for many years to come.

01/27/2025

Grateful to have Dr. Horn as my PCP.

01/23/2025

A+

01/21/2025

It was good

01/14/2025

good

01/10/2025

Very satisfied with Dr and staff

01/07/2025

needed good comm, got it

12/27/2024

Have them keep doing what they are doing

12/23/2024

They listen and was concerned about you

12/16/2024

Dr Horn follows up with any concerns he has following blood work.

12/13/2024

Dr. Horn has always been very nice and understanding and listens when I鈥檓 talking to him I like him very much. He will explain things if I don鈥檛 quite understand.

12/13/2024

It is always a great experience

12/10/2024

Best doctor ever
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