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 308 of 730.

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

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

The 8 largest groups in Columbus

  1. Case Manager/Care Coordinator3,958
  2. Students in training1,724
  3. Social Worker1,484
  4. Clinical Social Worker1,379
  5. Pharmacist1,160
  6. Family Nurse Practitioner1,127
  7. Licensed Practical Nurse1,040
  8. Registered Nurse993

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. Judy IronbowAddiction (Substance Use Disorder) Counselor1578295986
  2. Omayr Irshad, MDStudent in an Organized Health Care Education/Training Program1194519918
  3. Ronald Irsik, MDDiagnostic Radiology Physician1770572000
  4. Brett Irvin, O.D., M.S., F.A.A.O.Optometrist1700999224
  5. Daryl Irvin, CDCAAddiction (Substance Use Disorder) Counselor1790562395
  6. Jonathan IrvinStudent in an Organized Health Care Education/Training Program1790589190
  7. Kelsey Irvin, PHDClinical Child & Adolescent Psychologist1871236299
  8. Cara Irwin, CDCAAddiction (Substance Use Disorder) Counselor1558926634
  9. Katharine Irwin, CCC-SLPSpeech-Language Pathologist1447659214
  10. Kayley Irwin, MDStudent in an Organized Health Care Education/Training Program1164210449
  11. Kelly Irwin, DOPediatrics Physician1497250971
  12. Melinda IrwinCase Manager/Care Coordinator1770071219
  13. Michael Irwin, LSW, MSWClinical Social Worker1477053296
  14. Terry Irwin, M.D.Internal Medicine Physician1699866160
  15. Michelle Isa, LSW,PCCMental Health Counselor1285845792
  16. Alisa Isaac, NPFamily Nurse Practitioner1881912749
  17. Mark Isaac, DOAnesthesiology Physician1083804199
  18. Preslin IsaacAddiction (Substance Use Disorder) Counselor1124550223
  19. Sarah Isaac, PHARM.D.Pharmacist1346541216
  20. April Isaac VachioFamily Nurse Practitioner1992271654
  21. Albert Isaacs, MD PHDNeurological Surgery Physician1427794379
  22. Kyle Isaacs, DOPediatrics Physician1225880685
  23. Tina Isaly, M.S.-CCC/SLPSpeech-Language Pathologist1225454002
  24. Michaeline Isawumi, MDPediatric Ophthalmology and Strabismus Specialist Physician1326869876
  25. Jessica Iselin, LISWClinical Social Worker1083914394
  26. Jill IsennagleHomemaker1902400567
  27. Jennifer Isenstadt, PS:MHPeer Specialist1467961037
  28. Michael Isfort, MDNeurology Physician1073908760
  29. Ariane IshimweCommunity Health Worker1336802321
  30. Olanrewaju Ishola, MDHospitalist Physician1639500606
  31. Iretomiwa IsijolaCommunity Health Worker1225971971
  32. Jeannette Iskander, PHDClinical Psychologist1114594835
  33. Taylor Iske, DOStudent in an Organized Health Care Education/Training Program1992506968
  34. Crystal Islam, PA-CPhysician Assistant1710453816
  35. Nabiha Islam, MDStudent in an Organized Health Care Education/Training Program1588359582
  36. Nicole IslamCase Manager/Care Coordinator1811786775
  37. Cherie Isler, NPPediatric Nurse Practitioner1861408601
  38. Stacie Isler, PA-CSurgical Physician Assistant1861679458
  39. Michelle Isley, MDObstetrics & Gynecology Physician1437256203
  40. Abdirahman IsmailCounselor1497631808
  41. Fatma IsmailCase Manager/Care Coordinator1396394441
  42. Mohammed Ismail, D.O.Diagnostic Radiology Physician1962933788
  43. Yasmin IsmailHomemaker1598403255
  44. Malika IsomCase Manager/Care Coordinator1700722378
  45. Myra IsomAddiction (Substance Use Disorder) Counselor1326537739
  46. Dramelia IsonCase Manager/Care Coordinator1699325126
  47. Grace Ison, PA-CMedical Physician Assistant1821954843
  48. Athaliah IsraelCase Manager/Care Coordinator1104682988
  49. Christa Israel, CRNACertified Registered Nurse Anesthetist1639685563
  50. Phebe Israel, BSN RN, DOULAHome Health Registered Nurse1760086995

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.