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 259 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. Nikole HallaRegistered Nurse1467382077
  2. Diana Hallak, MDStudent in an Organized Health Care Education/Training Program1457291189
  3. Razan Hallak, RDRegistered Dietitian1437827540
  4. Michelle Hallam, CNPPediatric Nurse Practitioner1932621653
  5. Rita Hallaveld, LISWSocial Worker1184978702
  6. Virginia Hallenbeck, CNSMedical-Surgical Registered Nurse1962712752
  7. Frank Haller, DPTPhysical Therapist1013377977
  8. Stephen Haller, MD, PHDStudent in an Organized Health Care Education/Training Program1750131280
  9. Michael Hallet, M.D.Urology Physician1518905330
  10. Julia Halley, MDPediatrics Physician1649967860
  11. Sydney Halliday, DNP-PMHNPPsychiatric/Mental Health Nurse Practitioner1750271193
  12. Christina Halligan, FNP-BCNurse Practitioner1730843558
  13. Cecilie Halling, MDNeonatal-Perinatal Medicine Physician1629419403
  14. Lisa Halloran, FNPFamily Nurse Practitioner1144920588
  15. Jeremiah Hallowell, LPN-IVLicensed Practical Nurse1659697423
  16. Katie Hallowell, FAAAAudiologist1912137100
  17. Barry Halpern, M.D.Neonatal-Perinatal Medicine Physician1144212515
  18. Elizabeth Halpin, MHS, OTR/L, SCFESOccupational Therapist1912622507
  19. Madison Halpin, AAAnesthesiologist Assistant1326793423
  20. Robert Halpin, D.O.Maternal & Fetal Medicine Physician1003109810
  21. Eric HalsPharmacist1518495100
  22. Andrew Halza, MDStudent in an Organized Health Care Education/Training Program1386448660
  23. Summer Hamad, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1235063975
  24. Ismail Hamam, M.DClinical Cardiac Electrophysiology Physician1720378243
  25. Darryl Hamamoto, DDSDentist1811098098
  26. Elizabeth Hamann, LISWClinical Social Worker1205354172
  27. Ashley Hamati, DOStudent in an Organized Health Care Education/Training Program1508516758
  28. Anahit HamazaspyanHospitalist Physician1376171090
  29. Jack Hambrick, MFTMarriage & Family Therapist1588504732
  30. Sana HamdanStudent in an Organized Health Care Education/Training Program1356145676
  31. Kent Hamdorf, PH.D.Psychologist1386691186
  32. Fatmeh Hamed, APRNFamily Nurse Practitioner1619868403
  33. Michelle HameedCase Manager/Care Coordinator1700765484
  34. Jane Hamel-Lambert, PHDClinical Psychologist1629423561
  35. Margaret HamenCommunity Health Worker1881442804
  36. Brenda Hamer, APRN, FNP-BCFamily Nurse Practitioner1538728035
  37. Joseph Hamer, PMHNPPsychiatric/Mental Health Nurse Practitioner1003360363
  38. Phillip Hamer, CNPNurse Practitioner1457888414
  39. Madison HamernikSocial Worker1164912168
  40. Emad Hamid, MD, PHDDiagnostic Radiology Physician1457553588
  41. Aaron HamiltonAddiction (Substance Use Disorder) Counselor1083346985
  42. Abeni HamiltonCommunity Health Worker1619374618
  43. Abigail Hamilton, M.A., CCC-SLPSpeech-Language Pathologist1770906786
  44. Alexis HamiltonCase Manager/Care Coordinator1215803168
  45. Allison HamiltonCase Manager/Care Coordinator1316460181
  46. Charles Hamilton, M.D.Anesthesiology Physician1093934697
  47. Cynthia HamiltonOccupational Therapist1174722722
  48. Dana Hamilton, D.O.Pediatrics Physician1578575288
  49. Daniel Hamilton, DOHospitalist Physician1801923065
  50. Daryia Hamilton, QMHSCase Manager/Care Coordinator1396621116

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.