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 109 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. Suzanne Casa, CNMAdvanced Practice Midwife1902845142
  2. Paul Casamassimo, DDSPediatric Dentistry1972511541
  3. Fabiola Casanova Cardona, DMDGeneral Practice Dentistry1780245290
  4. Duane Casares, CEOClinical Social Worker1780113308
  5. Christian CasasCommunity Health Worker1700516507
  6. Kaitlin Casassa, LSWSocial Worker1639622731
  7. Marcel Casavant, MDMedical Toxicology (Emergency Medicine) Physician1992704019
  8. Krista CaseSocial Worker1619481009
  9. Nick CaseGenetic Counselor (M.S.)1992155402
  10. Victoria Casenhiser, RDRegistered Dietitian1689414419
  11. Amanda CasertaPeer Specialist1285429191
  12. Anthony Casey, MDFamily Medicine Physician1538377197
  13. Jennifer Casey, M.D.Family Medicine Physician1417040155
  14. Jennifer Casey, RNRegistered Nurse1821663014
  15. John Casey, D.O., M.A.Emergency Medicine Physician1831363829
  16. Joyce Casey, CNPAdult Health Nurse Practitioner1215022835
  17. Jynel Casey, PHARMDPharmacist1194264366
  18. Mairghread Casey, MDOphthalmology Physician1326542481
  19. Mary Casey, LSWMental Health Counselor1396092540
  20. Meghan CaseyClinical Social Worker1134628266
  21. Rene CaseyCommunity Health Worker1124728282
  22. Sarah CaseyStudent in an Organized Health Care Education/Training Program1831954734
  23. Stephanie CaseyNeonatal Nurse Practitioner1013602515
  24. Shelby Cash, MDStudent in an Organized Health Care Education/Training Program1467253328
  25. Rodney Cashaw-DavisPeer Specialist1164984191
  26. Toni CashettaCase Manager/Care Coordinator1376326652
  27. Catherine Cashy, DOInternal Medicine Physician1073075628
  28. Traci CaskeyCase Manager/Care Coordinator1376128751
  29. Rashaniqua CasonAddiction (Substance Use Disorder) Registered Nurse1588489082
  30. Kristin Casper, PHARM.D.Pharmacotherapy Pharmacist1265438584
  31. Jennifer Cass, PH.DClinical Neuropsychologist1558383638
  32. Cybil Cassady, MDOphthalmology Physician1073513016
  33. James Cassady, MDGeriatric Medicine (Family Medicine) Physician1033195698
  34. Kevin Cassady, M.D.Pediatric Infectious Diseases Physician1487690269
  35. Vallie CassettePsychiatric/Mental Health Registered Nurse1215570130
  36. Joelle CassettoSocial Worker1669182036
  37. Christine Cassidy, MDInternal Medicine Physician1265014914
  38. Jennifer CassidyFamily Nurse Practitioner1184574295
  39. Steven Cassidy, MDPediatric Cardiology Physician1336149392
  40. Kaylee CastCase Manager/Care Coordinator1225663966
  41. Daniela Castaneda, PHARM.DPharmacotherapy Pharmacist1164414405
  42. Joaquin Castaneda, MDOrthopaedic Surgery Physician1801932447
  43. Milagro Castaneda-Vidaurre, MDPediatrics Physician1861673568
  44. Jessica CastelAddiction (Substance Use Disorder) Counselor1275297806
  45. Henry Castellani, MDStudent in an Organized Health Care Education/Training Program1528763919
  46. David Castellano, MDOphthalmology Physician1639112691
  47. Stephanie Castellanos, NPFamily Nurse Practitioner1164074746
  48. Leah CastelnovoPharmacist1184509929
  49. John CastetterStudent in an Organized Health Care Education/Training Program1962056028
  50. Robert Castile, MDPediatric Pulmonology Physician1093715138

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.