About

Dr. John R. Dimar II received his medical degree from Wright State University School of Medicine in Dayton, Ohio. His residency training in orthopedics was completed through the Lutheran Hospital Orthopedic Residency Program in Fort Wayne, Indiana, followed by a six-month chief resident internship with the Leatherman Spine Center. Dr. Dimar then served in the United States Air Force at the Regional Hospital in Minot, North Dakota, serving as Chief of Surgery and Assistant Chief of Hospital Services. He then returned to Louisville to complete a spine fellowship with the Leatherman Spine Center. Dr. Dimar is a clinical professor with the Department of Orthopedic Surgery and Chief Pediatric Orthopedic surgeon at Norton Children's Hospital and Director of Resident Basic Science Education at the University of Louisville School of Medicine. He is active in instructing orthopedic surgeons and residents in the treatment of deformities, tumors, degenerative disease and trauma involving the spine. His particular area of interest is the treatment of cervical spine disease, degenerative spine disease and spine trauma. Dr. Dimar is actively involved with research. He has published numerous articles and book chapters on the treatment of spinal problems and has spoken widely at many national and international spine meetings. He is a member of the North American Spine Society, the Scoliosis Research Society and the American Academy of Orthopedic Surgery in which he has won both best clinical and research paper awards.

Locations



Expertise

Education

  • Wright State University Boonshoft School of Medicine

    Internship, Flexible or Transitional, 1982

  • Fort Wayne Medical Education Program

    Residency, Orthopaedic Surgery, 1986

  • Wright State University Boonshoft School of Medicine

    Medical Education, Doctor of Medicine, 1981


Age Groups Seen

Age Groups Seen
Adults
Languages
English
Gender
Male

Reviews

4.60 out of 5 4.6 of 5 stars — 85 Ratings, 21 Reviews

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.

Provider explained things clearly 4.60 out of 5 (4.6)
Provider listened carefully 4.50 out of 5 (4.5)
Provider gave easy to understand instruction 4.70 out of 5 (4.7)
Provider knew important medical history 4.60 out of 5 (4.6)
Provider showed respect for what you said 4.50 out of 5 (4.5)
Provider spent enough time with you 4.50 out of 5 (4.5)
Provider Rating 4.60 out of 5 (4.6)
Provider explained things clearly 4.70 out of 5 (4.7)
Provider showed concern 4.60 out of 5 (4.6)
Provider included you in decisions 4.60 out of 5 (4.6)
Likelihood of recommending this provider 4.60 out of 5 (4.6)
Provider discussed treatment options 4.60 out of 5 (4.6)

5.00 out of 5 5.0 out of 5

Reviewed on 06/26/2026

As previously stated, Dr. Dimar goes above and beyond what I have experienced from most doctors. He truly is concerned aboutHis patients.

4.40 out of 5 4.4 out of 5

Reviewed on 06/18/2026

Dr Dimar is a excellent doctor

5.00 out of 5 5.0 out of 5

Reviewed on 06/01/2026

Dr Dimar has been taking care of me for 30 years. I thank God for him.

5.00 out of 5 5.0 out of 5

Reviewed on 03/12/2026

Dr Dimar is detailed and straightforward!

5.00 out of 5 5.0 out of 5

Reviewed on 03/12/2026

He was pleasant, informative, and put us with ease. He gave us a lot of information

5.00 out of 5 5.0 out of 5

Reviewed on 01/29/2026

Dr. Dimar was kind and helpful. He was very informative and filled me in on his suggested plan of care for me

5.00 out of 5 5.0 out of 5

Reviewed on 01/03/2026

Straight up

5.00 out of 5 5.0 out of 5

Reviewed on 01/03/2026

We really like Dr Dimar, he is a great physician, he's has always been very respectful and listens to what we have to say, hate to see him retire, but we can understand that.

5.00 out of 5 5.0 out of 5

Reviewed on 01/01/2026

I was actually called back to an exam room a couple minutes before my appointment time

5.00 out of 5 5.0 out of 5

Reviewed on 12/18/2025

Love Dr Dimar. The last two surgeries have given me a pain free year!

5.00 out of 5 5.0 out of 5

Reviewed on 12/18/2025

The wait time was no issue, Provider had a couple overbooks before the holidays

4.67 out of 5 4.7 out of 5

Reviewed on 12/07/2025

Doctor was very good.Good explaining things to where l could\nUnderstand

5.00 out of 5 5.0 out of 5

Reviewed on 11/29/2025

He is awesome

5.00 out of 5 5.0 out of 5

Reviewed on 11/13/2025

Dr. Dimar explained my condition, its location, and options for treatment very thoroughly. He called my oncologist for further information to schedule more tests to further understand the scope of my condition.

5.00 out of 5 5.0 out of 5

Reviewed on 10/20/2025

Dr Dimar is a superb professional and trustworthy surgeon.

4.94 out of 5 4.9 out of 5

Reviewed on 10/16/2025

Dr. Dimar was very thorough.

5.00 out of 5 5.0 out of 5

Reviewed on 10/11/2025

Really like dr damar he takes time to explain what's going to happen a bit of a jokester very laid back I like that he's a good dr

5.00 out of 5 5.0 out of 5

Reviewed on 10/02/2025

I appreciate the care and concern for my comfort, speaking in easy to understand terms and making me feel welcome.

5.00 out of 5 5.0 out of 5

Reviewed on 09/30/2025

Very pleased with care aftercare and surgery

5.00 out of 5 5.0 out of 5

Reviewed on 09/06/2025

Great people

5.00 out of 5 5.0 out of 5

Reviewed on 08/31/2025

I would highly recommend this provider


Insurance

  • Aetna
  • Aetna Better Health
  • Aetna Medicare Advantage
  • Ambetter from MHS
  • Ambetter from WellCare of Kentucky
  • Anthem
  • Anthem Kentucky Medicaid
  • Anthem MediBlue HMO/PPO
  • Anthem Pathway
  • Anthem Pathway Transition
  • CareSource Indiana Medicaid
  • CareSource Marketplace Kentucky and Indiana
  • Cigna
  • CorVel
  • Coventry
  • Encore
  • Essence
  • First Health Group Corp. (First Health)
  • UofL Health – Frazier Rehabilitation Institute
  • HealthSmart
  • Hosparus
  • Humana Medicare
  • Humana Medicaid
  • Indiana Medicaid
  • Indiana Medicare
  • Indiana Health Network
  • Kentucky Medicaid
  • Kentucky Medicare
  • MDwise
  • MHS
  • Molina Healthcare
  • MultiPlan
  • Passport Health Plan Kentucky MCO
  • Passport Marketplace
  • Provider Net/OMCA
  • Sagamore
  • Signature Advantage
  • SIHO
  • TRICARE Humana Military
  • United Healthcare
  • United Healthcare Community Plan Indiana and Kentucky
  • United Healthcare Medicare Advantage
  • Veterans Affairs (VA)
  • WellCare
  • WellCare of Kentucky Medicaid (Kentucky MCO)
  • WellCare Medicare
  • Wellpath
  • Workers’ Compensation
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