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 401 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. Mary Magill, CRNACertified Registered Nurse Anesthetist1285652206
  2. Andrea Maginnis, PA-CPhysician Assistant1902472863
  3. Scott Magnuson, PSY.D.Clinical Neuropsychologist1962859389
  4. Robert Magnussen, MDSports Medicine (Orthopaedic Surgery) Physician1366599227
  5. Raymond Magorien, MDInterventional Cardiology Physician1558375188
  6. Brookeanne Magrum, PHARMDPharmacist1821584095
  7. Michelle Maguire, PHARMDPharmacist1134479553
  8. John MagwoodHomemaker1700421849
  9. Melissa Magyer, MDDiagnostic Radiology Physician1053014068
  10. May Mah, MDPediatric Cardiology Physician1053430850
  11. Erin MahaffeyRegistered Nurse1346981222
  12. Sharon Mahaffey, PTPhysical Therapist1386742369
  13. Bhuvna MahajanPediatrics Physician1235981051
  14. Nisha MahajanNurse Practitioner1770385536
  15. Aarbaaz Mahal, PA-CPhysician Assistant1134834666
  16. Cabdirahman Mahamed, MDStudent in an Organized Health Care Education/Training Program1467212613
  17. Leaha MahamedCommunity Health Worker1699426494
  18. Mana MahamedCommunity Health Worker1053264358
  19. John Mahan, MDPediatric Nephrology Physician1023002417
  20. Brian MaharSocial Worker1538678602
  21. Sanjay MaharaCase Manager/Care Coordinator1861372575
  22. Sean Mahase, MDRadiation Oncology Physician1629430699
  23. Eileen Maher, M.D.Pediatrics Physician1144299017
  24. Laura Maher, M.D.Internal Medicine Physician1912299074
  25. William Maher, M.D.Infectious Disease Physician1376559872
  26. Bhunesh Maheshwari, M.DAnatomic Pathology & Clinical Pathology Physician1508312729
  27. Lauren Mahle, LMTMassage Therapist1265398325
  28. Lydia Mahler, LPCCounselor1760039770
  29. Furman Mahmood, MDEmergency Medicine Physician1194475400
  30. Mohamed MahmoodBehavior Technician1154206720
  31. Mohammad Mahmood, LCDC IIAddiction (Substance Use Disorder) Counselor1245885110
  32. Taheeerah MahmoodCase Manager/Care Coordinator1811408255
  33. Diana Mahmoodi, DMDProsthodontics1013807403
  34. Rowad Mahmoud, DDSDentist1932957545
  35. Emily Maholm, FNPFamily Nurse Practitioner1619643814
  36. Rebecca MahonCase Manager/Care Coordinator1922562487
  37. Erika Mahone, LISW-SClinical Social Worker1710569306
  38. Adam Mahoney, MDInternal Medicine Physician1285950527
  39. Austin Mahoney, EMTACLSBasic Emergency Medical Technician1659037596
  40. Patricia MahoneyCase Manager/Care Coordinator1982442265
  41. Sean Mahoney, APRN-CNPAcute Care Nurse Practitioner1417366535
  42. Margo MahonySocial Worker1578089223
  43. Rosalia Mahr, M.D.Emergency Medicine Physician1871028704
  44. Sunitha Mahrajan, SWTSocial Worker1396690343
  45. Brianna MaidenOccupational Therapy Assistant1427819911
  46. Thomas Main, M.D.Otolaryngology/Facial Plastic Surgery Physician1386644078
  47. William Main, D.O.Colon & Rectal Surgery Physician1013279488
  48. Damaris Maina, APRN, CNP-BCNurse Practitioner1457655037
  49. Shraddha Mainali, MDNeurology Physician1972733657
  50. Aaron MainesBehavior Technician1477060432

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.