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 408 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. Geoffrey MarpleEmergency Medicine Physician1720510696
  2. Jennifer Marple, RRTRegistered Respiratory Therapist1740654557
  3. David Marquardt, MDPediatric Critical Care Medicine Physician1245416197
  4. David Marques, MDFamily Medicine Physician1821073651
  5. Laurel Marques, MDFamily Medicine Physician1508864604
  6. Alyssa Marquette, OTD, OTR/LOccupational Therapist1700554359
  7. Athenas MarquezCommunity Health Worker1487415592
  8. Lorie Marquez, RPHPharmacist1740723998
  9. Patricia Marquez, RNGerontology Nurse Practitioner1902730294
  10. Valeria MarquezCase Manager/Care Coordinator1174312664
  11. Marisa Marquis, DCChiropractor1477053601
  12. Mackenzie Marr, MS, LGCGenetic Counselor (M.S.)1306555479
  13. Andrew MarreroStudent in an Organized Health Care Education/Training Program1487582730
  14. Carolina Marrero, LPNLicensed Practical Nurse1417896820
  15. Keshia MarreroLicensed Practical Nurse1538923503
  16. Rose Marrero, LCDCIII, LSWAddiction (Substance Use Disorder) Counselor1033633748
  17. Brooke Marrinan, FNPFamily Nurse Practitioner1801472287
  18. Michael MarriottCounselor1144997115
  19. Brianna Marrow, QBHS-ACase Manager/Care Coordinator1851875272
  20. Nicholas Marschalk, DOInfectious Disease Physician1215399357
  21. Andrew MarshCase Manager/Care Coordinator1891308342
  22. Clay Marsh, MDPulmonary Disease Physician1134232762
  23. Jason MarshFamily Nurse Practitioner1255596037
  24. Shaniqua MarshLicensed Practical Nurse1255192829
  25. Adrian MarshallCase Manager/Care Coordinator1821585092
  26. Alison Marshall, DCChiropractor1356198691
  27. April Marshall, LPNLicensed Practical Nurse1932843190
  28. Audrey MarshallAttendant Care Provider1114759677
  29. Ben MarshallCase Manager/Care Coordinator1245744168
  30. Bowen Marshall, LPCProfessional Counselor1912506957
  31. Brain Marshall, MDEmergency Medicine Physician1497781421
  32. Claire Marshall, QMHS MA CMS MACase Manager/Care Coordinator1104484757
  33. Demeeshia MarshallCase Manager/Care Coordinator1225811029
  34. Erica MarshallPersonal Care Attendant1275488710
  35. Frank Marshall, DDS, MSOrthodontics and Dentofacial Orthopedics Dentistry1356355473
  36. Hannah Marshall, PT, DPT, OMT-C, CIDNPhysical Therapist1225784663
  37. Jennifer MarshallCase Manager/Care Coordinator1912400466
  38. Johanna MarshallNurse's Aide1508708413
  39. John Marshall, D.M.D.Dentist1942443767
  40. Kara MarshallPharmacist1750138533
  41. Lauren MarshallBehavior Technician1588144851
  42. Marion Marshall, QMHSCase Manager/Care Coordinator1588141097
  43. Moses MarshallBehavior Technician1750101986
  44. Nathan Marshall, MDAnesthesiology Physician1861985533
  45. Nolan MarshallStudent in an Organized Health Care Education/Training Program1467393470
  46. Tyler Marshall, PT, DPT, SCS, OMT-C,Physical Therapist1497409239
  47. Verdaynea Marshall, LISWClinical Social Worker1598379521
  48. Warren MarshallCase Manager/Care Coordinator1235977984
  49. William Marshall, MDAdult Congenital Heart Disease Physician1407274301
  50. Jillyvette Marteina, HOME HEALTH AIDE/CSTHome Health Aide1114329992

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.