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 160 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. Dasha DelleyCase Manager/Care Coordinator1306541123
  2. Ashley Dellimuti, AAAnesthesiologist Assistant1093251738
  3. Mark Dellinger, M.D.Internal Medicine Physician1710924410
  4. Steven Delll'Olio, LMTMechanotherapist1275867616
  5. Emily Delman, PHARMDPharmacist1841967833
  6. Valerie Delmedico, MDPsychiatry Physician1215010871
  7. Joyce Delong, LPNLicensed Practical Nurse1861623167
  8. Keith Delong, CNPFamily Nurse Practitioner1629406863
  9. Maureen Delphia, M.D.Neurology Physician1275543472
  10. Michael Delphia, M.D.Internal Medicine Physician1043296627
  11. Jodie DelrosarioHome Health Aide1316481005
  12. Deborah DelunaHome Health Aide1497360424
  13. Amber Delvesco, PHARMDPharmacist1194007716
  14. Bryan Demarco, PHARM.D.Pharmacist1407156334
  15. Corrine Demaree, RNRegistered Nurse1528534252
  16. Roxanne Demarest, PA-CPhysician Assistant1619337771
  17. Abbie Demattei, LSWClinical Social Worker1578768966
  18. Jill DematteisRegistered Nurse1447072061
  19. Steven DemczukPharmacist1073234712
  20. Konstantinos Demertzis, MDFamily Medicine Physician1922502285
  21. Joseph DemetrioPhysical Therapist1942817069
  22. Lisa Demeyere, APRN-CNPAcute Care Nurse Practitioner1063878296
  23. Katelyn DemilleCase Manager/Care Coordinator1023866613
  24. Kyle Deming, DOStudent in an Organized Health Care Education/Training Program1649072109
  25. Emily Deming-Rivers, PH.D.Psychologist1124705918
  26. Essence Deming-Rivers, PSYDClinical Psychologist1073168910
  27. Mehmet DemirPersonal Care Attendant1528918877
  28. Tarik Demir, MDMedical Oncology Physician1932804747
  29. Rachel Demita, MDInfectious Disease Physician1750562666
  30. Danielle DemkoCase Manager/Care Coordinator1629806773
  31. Emily DemooyBehavior Technician1932874476
  32. Demetra Demopoulos, NNPNeonatal Nurse Practitioner1134914245
  33. Francisco Demoraes, M.D.Psychiatry Physician1306944004
  34. Hilary Demostenes, LSWClinical Social Worker1952826737
  35. Lori Demott, OTOccupational Therapist1467633032
  36. Matthew DemoulinCase Manager/Care Coordinator1205532579
  37. Alyssa Dempsey, LISWClinical Social Worker1750050746
  38. Jessica Dempsey, PHARMDPharmacist1780039362
  39. Mary DempseySocial Worker1942780820
  40. Michaela DempseySocial Worker1952801847
  41. Olivia Dempsey, APRN.CRNACertified Registered Nurse Anesthetist1164960555
  42. Nicole Dempster, PHDClinical Child & Adolescent Psychologist1750750063
  43. Robert Dempster, PHDClinical Child & Adolescent Psychologist1508116880
  44. Sebastian Demyttenaere, M.D.Surgery Physician1003072448
  45. Gregory Denaeyer, O.D.Optometrist1659341246
  46. Paula Dendiu-Beale, M.A.Audiologist1851562441
  47. David DengInternal Medicine Physician1407387426
  48. Yuejia DengOrthodontics and Dentofacial Orthopedics Dentistry1629860986
  49. Eileen Deniro, PHARMDPharmacist1003280009
  50. Rebecca DeniroSpeech-Language Pathologist1093594889

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.