NPPES file of Aug 9, 2026

John R. Dimar, MD

Orthopaedic Surgery of the Spine Physician · Louisville, KY

John R. Dimar, MD is an orthopaedic surgery of the spine physician with a practice address in Louisville, Kentucky, and NPI 1235192451, issued on Apr 10, 2006. Check the license (Kentucky 24311, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1235192451
Name
John R. Dimar
Credential
MD
Primary taxonomy
Orthopaedic Surgery of the Spine Physician 207XS0117X
License number
24311 KY
Self-reported in NPPES; status is on the state search
Practice location
210 E Gray St, Louisville, KY 40202
Phone
(502) 584-7525
Enumerated
Apr 10, 2006
Record last updated
Jan 12, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(502) 589-0849
Medicaid IDs
64243116 KY
100373930 IN
Medicare enrollment
Enrolled (PECOS I20070627000010); accepts Medicare assignment
Medical or professional school
Wright State University Boonshoft School Of Medicine, 1981
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 210 E Gray St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Patrick Albright, MDOrthopaedic Surgery of the Spine Physician1508486721
  2. Karen Avanesov, D.OOrthopaedic Surgery of the Spine Physician1629014675
  3. Mustafa Barbour, MDPediatric Hematology & Oncology Physician1457489288
  4. Nicholas BeckhamPhysical Therapist1699299669
  5. Salvatore Bertolone, M.D.Pediatric Hematology & Oncology Physician1770588519
  6. Julianne Braun, APRN, FNP-BCFamily Nurse Practitioner1255747770

Verify John R. Dimar in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersKentucky Board of Medical Licensure
    Search for license 24311
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Kentucky license search

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88% fewer Medicare Part D claims than the average orthopaedic surgery of the spine physician in 2024

46 Medicare Part D claims for 31 beneficiaries, against an average of 381 among the 1,714 providers of this specialty who prescribed in Part D.

  1. John Dimar46
  2. Specialty average381

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualitynot scored (reweighted)
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $18,884.44

51 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 1,726 providers of this specialty with any payment received $34,071.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Dimar$18,884
  2. Specialty average$34,072

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Community Medical Associates IncLouisville, KY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Orthopaedic Surgery of the Spine Physician providers in Kentucky

There are 34 orthopaedic surgery of the spine physician records in Kentucky.

Other orthopaedic surgery of the spine physician records in Kentucky

  1. Patrick Albright, MDLouisville, KY1508486721
  2. Karen Avanesov, D.OLouisville, KY1629014675
  3. Mitchell Campbell, MDLouisville, KY1174586457
  4. Michael Casnellie, M.D.Louisville, KY1518967371
  5. Paul Celestre, MDLouisville, KY1366626558
  6. Charles Crawford, MDLouisville, KY1265570808
  7. Mark Crawford, M.D.Paducah, KY1740391473
  8. Vincent Depalma, D.O.London, KY1295155927
  9. Mladen Djurasovic, MDLouisville, KY1609839257
  10. Ali Elaydi, MDLouisville, KY1447815162

Common questions

What is John R. Dimar, MD's NPI number?

John R. Dimar, MD's National Provider Identifier (NPI) is 1235192451, issued on Apr 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John R. Dimar, MD located?

The NPPES record lists a practice address at 210 E Gray St, Louisville, KY, 40202. Phone: (502) 584-7525. Providers update this record themselves, so call before visiting.

How can I verify John R. Dimar, MD's license?

NPPES lists Kentucky license number 24311, as entered by the provider. Search the Kentucky Board of Medical Licensure at https://web1.ky.gov/GenSearch/LicenseSearch.aspx?AGY=5. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does John R. Dimar, MD prescribe under Medicare Part D?

In 2024, John R. Dimar, MD had 46 Medicare Part D claims for 31 beneficiaries; the average among orthopaedic surgery of the spine physician prescribers was 381. Part D covers Medicare prescriptions only.

What is John R. Dimar, MD's MIPS final score?

The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.