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 110 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. Jack Castilla, D.D.S.Dentist1841529336
  2. Amy Castillo, PA-CPhysician Assistant1477783736
  3. Angela Castillo, MFT TMarriage & Family Therapist1558837245
  4. Ernesto Castillo, M.D.Psychiatry Physician1487759965
  5. Kimberly CastilloCase Manager/Care Coordinator1710842364
  6. Luz Castillo, RNRegistered Nurse1598628893
  7. Natalie CastilloStudent in an Organized Health Care Education/Training Program1962197368
  8. Santiago Castillo, MDAnatomic Pathology & Clinical Pathology Physician1063490381
  9. Eduardo Castillo Leon, MDGastroenterology Physician1821625914
  10. Stephanie Castine, LISW-SClinical Social Worker1972983724
  11. Amy Castle, CDCAAddiction (Substance Use Disorder) Counselor1285393025
  12. Kirstin Castle, LISWClinical Social Worker1427668813
  13. Lindsay Castle, D.O.Advanced Heart Failure and Transplant Cardiology Physician1881808806
  14. Madelyn CastleCase Manager/Care Coordinator1376177659
  15. Rose Castle, RNRegistered Nurse1962936211
  16. Tiffani Castle, APRN, FNPFamily Nurse Practitioner1407584899
  17. Carolyn Castleberry, APRN-CNPFamily Nurse Practitioner1386210623
  18. Casey CastoLicensed Practical Nurse1912650979
  19. Kristina Casto, CNPPsychiatric/Mental Health Nurse Practitioner1538785142
  20. Linda Casto, L.I.S.W.Clinical Social Worker1265685150
  21. Molly Casto, DOObstetrics & Gynecology Physician1457714990
  22. Shana CastoCase Manager/Care Coordinator1821810854
  23. Susan Casto, BSN, RNSchool Registered Nurse1811825615
  24. John Castor, MDGastroenterology Physician1093987257
  25. Tessa CastrejonSpeech-Language Pathologist1114760329
  26. Grace CastriconeStudent in an Organized Health Care Education/Training Program1659983997
  27. Danielle Castro, LISWClinical Social Worker1225540636
  28. Gida Castro, M.S. CCC-SLPSpeech-Language Pathologist1154645463
  29. Lisa CastroClinical Social Worker1104250489
  30. Juan Castro CuellarOral and Maxillofacial Radiology Dentistry1912600263
  31. Julie Castrop, MDPediatrics Physician1508856568
  32. Stephen Caswell, LPNLicensed Practical Nurse1790619021
  33. Belmund Ray Catague, M.D.Family Medicine Physician1609197003
  34. Samuel Cataland, MDEndocrinology, Diabetes & Metabolism Physician1902813108
  35. Spero Cataland, M.D.Hematology (Internal Medicine) Physician1881602209
  36. Jillian Catalano, MDStudent in an Organized Health Care Education/Training Program1891634598
  37. Joe Catania, LISW, CCDC IIIESocial Worker1710920517
  38. Kimberly Catania, MSN, RN, CNS, AOCNOncology Registered Nurse1255643318
  39. David Catanzaro, PHARM.D.Pharmacist1295731511
  40. Julie Catanzaro, AGACNPFamily Nurse Practitioner1659003432
  41. Jessica Catenacci, APRN.CRNACertified Registered Nurse Anesthetist1316271463
  42. Shemeika CaterLicensed Practical Nurse1154739316
  43. Jeffrey Caterino, M.D.Emergency Medicine Physician1447340146
  44. Maryonna CatheyCase Manager/Care Coordinator1891451795
  45. Sherrie Cathey, LPNLicensed Practical Nurse1710418900
  46. Karen Catignani, M.D.Hospitalist Physician1083646707
  47. Joshua CatlettOccupational Therapist1063834257
  48. Susannah Catron, LISW-SClinical Social Worker1760048722
  49. Teresa CatterlinPrimary Care Nurse Practitioner1023713989
  50. Mark Catton, MDAnesthesiology Physician1508855875

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.