NPPES file of Aug 9, 2026

Doctors and health care providers in Columbus, OH

36,491 individual NPPES records list a practice address in Columbus, 1st of 711 Ohio cities. The largest group is case manager/care coordinator: 3,958, 11% of the city's records, against 11% across Ohio. Page 411 of 730.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

The 8 largest groups in Columbus

Source: CMS NPPES primary taxonomy, file of Aug 9, 2026.

Columbus in Ohio

  • Rank in Ohio1st of 711 cities by records
  • Share of the state11.2% of Ohio's records
  • Specialties present25 or more taxonomy codes
  • Top three groups19.6% of all records
  • Case Manager/Care Coordinator rank1st of the 10 Ohio cities with the most

Compared with Ohio as a whole, Columbus has 1.8× the state's share of anesthesiology physician records and 0.59× its share of physical therapist records.

Providers in Columbus, alphabetically

  1. Amanda MartinezStudent in an Organized Health Care Education/Training Program1053252395
  2. Belinda Martinez, MSWSocial Worker1407243371
  3. Bianca MartinezCase Manager/Care Coordinator1144946864
  4. Bianca MartinezPeer Specialist1821921610
  5. Brianna MartinezBehavior Technician1871266700
  6. Carolyn Martinez, MDEmergency Medicine Physician1750733374
  7. Christine Martinez, MDCornea and External Diseases Specialist Physician1588041933
  8. Ivette MartinezHomemaker1023227774
  9. Jennifer Martinez, LISW-SClinical Social Worker1720612179
  10. John Martinez, MDPediatric Cardiology Physician1740786508
  11. Josefina MartinezCase Manager/Care Coordinator1881455152
  12. Joyce Martinez, LPNLicensed Practical Nurse1790087336
  13. Kyra Martinez, DPTPhysical Therapist1588017339
  14. Luis Martinez, STUDENTStudent in an Organized Health Care Education/Training Program1891078366
  15. Margaret MartinezPsychiatric/Mental Health Nurse Practitioner1750813853
  16. Robbin MartinezHomemaker1194419879
  17. Rolando Martinez, D.M.D.General Practice Dentistry1437270667
  18. Veronica MartinezHome Health Aide1891266680
  19. Diego Martinez CastanedaStudent in an Organized Health Care Education/Training Program1154123420
  20. Jasmine Martinez Soto, PAPhysician Assistant1578430427
  21. Jacey Martinis, APRN-CNPAcute Care Nurse Practitioner1326730607
  22. John Martino, MDAnesthesiology Physician1073564316
  23. Melissa MartinoBehavior Technician1295575165
  24. Judit Marton, M.D.Internal Medicine Physician1962620476
  25. Julie Martucci, LISW-S LCSWClinical Social Worker1558639807
  26. Michael Martyn, MDOtolaryngology Physician1518967264
  27. Allison MartzSpeech-Language Pathologist1245843366
  28. Chelsea MartzProfessional Counselor1215424700
  29. Jessica MartzPharmacist1548994155
  30. Jillian MartzMedical-Surgical Registered Nurse1033061452
  31. Jennifer Marusic, OTR/LOccupational Therapist1124443080
  32. Jarek Marva, DOHospitalist Physician1902366214
  33. Laine MarvinCase Manager/Care Coordinator1306664800
  34. Christine Marx, CRNACertified Registered Nurse Anesthetist1770548778
  35. Jolanda Marx, BCBA/COBABehavior Analyst1164066056
  36. Korey Marx, LPCC-SProfessional Counselor1205333093
  37. Penny Marzalik, APRN.CNM, PHD, IBCLCAdvanced Practice Midwife1457554800
  38. Audrey Marzec, PT, DPTPhysical Therapist1457130999
  39. Sarah Marzec, MDPediatrics Physician1801146154
  40. Anthony MarzettCase Manager/Care Coordinator1043100167
  41. Nathan Marzlin, M.D.Cardiovascular Disease Physician1871956318
  42. Haven MarzulloDoula1619824851
  43. Henry MascallStudent in an Organized Health Care Education/Training Program1124908132
  44. Sheryl Mascarenhas, MDRheumatology Physician1477715431
  45. Diane Masciangelo, CNPAcute Care Nurse Practitioner1447520218
  46. Maria Mascio, RPHPharmacist1285646489
  47. Randee Masciola, NPObstetrics & Gynecology Nurse Practitioner1982609301
  48. Haley MashPediatric Nurse Practitioner1952040917
  49. Rayan MashalClinical Social Worker1033874052
  50. Cheryl Maslouski, R.PH., PHARMD, BCACPPharmacist1073595658

The largest Ohio cities

  1. Cincinnati31,362
  2. Cleveland30,748
  3. Toledo13,583
  4. Dayton12,431
  5. Akron10,950

All of Ohio →

How to read this directory

Columbus, Ohio appears in the CMS National Plan and Provider Enumeration System with 36,491 registered healthcare providers spanning 25 or more distinct NUCC-taxonomy specialties. This count includes every individual clinician who has applied for an NPI and listed a practice address in Columbus - physicians, dentists, nurse practitioners, physician assistants, chiropractors, physical therapists, optometrists, psychologists, podiatrists, and every other credentialed provider type CMS tracks. It does not measure hospital beds, urgent-care capacity, or whether a given clinic is accepting new patients; it measures the pool of professionals with current NPI enrollment and a Columbus practice location on file. Every figure is drawn from the federal National Provider Identifier Registry (CMS NPPES) - more than 7 million providers, maintained since May 2007, with 2024 Medicare Part D data, and, according to CMS, can be searched, compared, and traced in our methodology.

The provider mix in Columbus is weighted toward Case Manager/Care Coordinator (3,958 clinicians, followed by Student in an Organized Health Care Education/Training Program with 1,724 and Social Worker with 1,484). That distribution reflects how NPPES records specialty: providers self-select a primary taxonomy code, so a family physician who also practices geriatrics will show up under whichever NUCC code they registered first. Relative to Ohio's population, Columbus reports roughly 309.6 providers per 100,000 residents using the state-level denominator, which is a rough proxy rather than a precise access-to-care measurement; the true catchment area of any {cityName} clinician extends beyond the municipal boundary.

For Columbus patients, this directory is most useful as a starting shortlist. Important: PlainDoctor is a directory of publicly available CMS government data, not a review site, a ranking, or medical advice. NPPES data is self-reported and refreshed monthly; call the practice directly to confirm the provider is still there, accepts your insurance, and is taking new patients.

For informational purposes only; this directory is not medical advice and not a substitute for checking a license. See also: how to find a doctor and how to verify one.

Common questions

How many doctors are in Columbus, OH?

There are 36,491 registered healthcare providers in Columbus, OH, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Columbus?

The most common specialties in Columbus are Case Manager/Care Coordinator, Student in an Organized Health Care Education/Training Program, Social Worker, Clinical Social Worker, Pharmacist. Case Manager/Care Coordinator has the most providers with 3,958.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov). Records are self-reported registrations, not licenses.

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.