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 355 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. Timothy KnellClinical Social Worker1275495319
  2. Jessica Knepp, LISW-S, LICDC-CSClinical Social Worker1750135273
  3. Jessica KneppCase Manager/Care Coordinator1104653856
  4. Peter Kneuertz, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1225352008
  5. Kristina Knickerbocker, APRN-CNPFamily Nurse Practitioner1053045195
  6. Aimee Knight, RNAmbulatory Care Registered Nurse1710622204
  7. Bobbi Knight, LCDCIIAddiction (Substance Use Disorder) Counselor1225612187
  8. Carmen KnightCase Manager/Care Coordinator1417796277
  9. Donte KnightHome Health Aide1922821941
  10. Eve KnightSpeech-Language Pathologist1770407488
  11. James Knight, M.D.Hospitalist Physician1740496553
  12. Jasmine Knight, QMHS CMSCommunity Health Worker1790300150
  13. Jennifer KnightAcute Care Nurse Practitioner1053685479
  14. Jordan Knight, D.O.Maternal & Fetal Medicine Physician1467743906
  15. Kimberly KnightStudent in an Organized Health Care Education/Training Program1457526949
  16. Kristina Knight, MSW, LISWClinical Social Worker1043722150
  17. Lisa Knight, L.M.T.Mechanotherapist1417100850
  18. Lori Knight, APNPNurse Practitioner1548672637
  19. Mandie Knight, LCDC II, PRS, QMHSAddiction (Substance Use Disorder) Counselor1154801512
  20. Rae Knight, LPNLicensed Practical Nurse1942421607
  21. Samantha Knight, CNPAdult Health Nurse Practitioner1578846226
  22. Jennifer Knight Davis, MDSurgical Critical Care Physician1255538575
  23. Stevi KnightonCase Manager/Care Coordinator1023859915
  24. Mark Kniha, CRNACertified Registered Nurse Anesthetist1396017760
  25. Paula Knill, LPCCMental Health Counselor1346262334
  26. Karyn Knipe, LISWClinical Social Worker1861951303
  27. Bethani Knipfer, CNPFamily Nurse Practitioner1538521232
  28. John Knipfer, M.D.Anesthesiology Physician1720036197
  29. Heather KnippLicensed Practical Nurse1013651108
  30. Paris Knipp, PA-CPhysician Assistant1053129254
  31. Jordan Knipper, LPCC-S, LICDCProfessional Counselor1508228099
  32. Stacy KnipscheerClinical Social Worker1679580229
  33. Charlotte Knisely, FNP-CFamily Nurse Practitioner1992355283
  34. Kathryn Knisely, PA-CPhysician Assistant1326586850
  35. Abby Knisley, MSW, LSWSocial Worker1013399435
  36. Amanda KnisleyNurse Practitioner1154815736
  37. Jody Knisley, APRN-CNPNurse Practitioner1417143645
  38. Larry Knisley, R.PH.Pharmacist1104930395
  39. Tara Knisley, RNAddiction (Substance Use Disorder) Registered Nurse1497256291
  40. Jessica KnoblauchProfessional Counselor1154696045
  41. Jeanna Knoble, MDHematology & Oncology Physician1548242118
  42. Lisa Knobloch, D.D.S.Prosthodontics1144371907
  43. Karen Knoell, PHARMDPharmacist1093163586
  44. Kailey Knopf, DOStudent in an Organized Health Care Education/Training Program1235932294
  45. James Knopp, DOEmergency Medicine Physician1548473374
  46. Michael Knopp, M.D.,PH.D.Contractor1770607301
  47. Miriam Knopp, MS, RD, LD, CSPRegistered Dietitian1942009402
  48. Austin Knorz, MDStudent in an Organized Health Care Education/Training Program1851194682
  49. Rileigh Knotts, LSWSocial Worker1144940271
  50. Stephanie Knotts, MSW, LSW, LICDCSocial Worker1538825831

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.