NPPES file of Aug 9, 2026

Doctors and health care providers in Cincinnati, OH

31,362 individual NPPES records list a practice address in Cincinnati, 2nd of 711 Ohio cities. The largest group is case manager/care coordinator: 3,811, 12% of the city's records, against 11% across Ohio. Page 408 of 628.

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

The 8 largest groups in Cincinnati

Source: CMS NPPES primary taxonomy, file of Aug 9, 2026.

Cincinnati in Ohio

  • Rank in Ohio2nd of 711 cities by records
  • Share of the state9.6% of Ohio's records
  • Specialties present25 or more taxonomy codes
  • Top three groups21.5% of all records
  • Case Manager/Care Coordinator rank2nd of the 10 Ohio cities with the most

Compared with Ohio as a whole, Cincinnati has 1.9× the state's share of nurse practitioner records and 0.58× its share of addiction (substance use disorder) counselor records.

Providers in Cincinnati, alphabetically

  1. Parker Niemann, MDPsychiatry Physician1114007788
  2. Julia Niemeier, LISWClinical Social Worker1477064053
  3. William Niemes, M.D.Allergy & Immunology Physician1861496788
  4. Eric Niemeyer, M.D.Family Medicine Physician1417177403
  5. Lee Niemeyer, MDFamily Medicine Physician1013111004
  6. Emma NienaberCase Manager/Care Coordinator1932611563
  7. Rachel NienaberStudent in an Organized Health Care Education/Training Program1538981113
  8. Thomas Nienaber, MBBSNeonatal-Perinatal Medicine Physician1164885125
  9. April Nierman, ATCAthletic Trainer1760694210
  10. Mariah Nierman, DPTPhysical Therapist1326596685
  11. Debra Nies, LSWSocial Worker1700105137
  12. Kendra Niese, LSWSocial Worker1942973755
  13. Kirsten Niese, PHARMDAmbulatory Care Pharmacist1952986218
  14. Megan Niese, PA-CPhysician Assistant1467741470
  15. Courtney Niesen, DPTPhysical Therapist1194574855
  16. Gwendolyn Niesen, MSW, LSWClinical Social Worker1356028567
  17. Meaggan Niesen, MFTMarriage & Family Therapist1134801954
  18. Dawn Niess, CNPPediatric Nurse Practitioner1679547160
  19. Patricia NietoCase Manager/Care Coordinator1801475926
  20. Marissa NighbertCase Manager/Care Coordinator1932845526
  21. Janice Nigos, M.D.Nephrology Physician1609106962
  22. Lisa Nigro, CRNACertified Registered Nurse Anesthetist1164452140
  23. Joseph Nihiser, PHARMDPharmacist1700132594
  24. Kris Nika, MDInternal Medicine Physician1548064280
  25. Mary Beth Niklas, LISWSocial Worker1003967480
  26. Waldemar Niklinski, MDAnatomic Pathology & Clinical Pathology Physician1174546113
  27. Mikhail Nikolaenko, 33.021612 N-RMassage Therapist1790186773
  28. Tammela NikolichCase Manager/Care Coordinator1992213177
  29. Elena NikolovaLicensed Practical Nurse1508306879
  30. Supritha Nilam, DDSOral & Maxillofacial Surgery (D.M.D.)1629597562
  31. Raymond Nimeskern, CRNFAMedical-Surgical Clinical Nurse Specialist1376533968
  32. Casey Nimmo, LPCMental Health Counselor1396257663
  33. Anthony NimohHome Health Aide1710025531
  34. Madison NimsCase Manager/Care Coordinator1700765492
  35. Sara Nine, PHARM DPharmacist1063799070
  36. Chung-Yi Niou, DMDGeneral Practice Dentistry1063630200
  37. Terry Nisbet, O.D.Optometrist1134107899
  38. Halima NisbethPersonal Care Attendant1932959228
  39. Katrina Nishikawa, DDSStudent in an Organized Health Care Education/Training Program1124818208
  40. Fumie Nishiyama, M.D.Endocrinology, Diabetes & Metabolism Physician1518012459
  41. Omar Niss, M.D.Pediatric Hematology & Oncology Physician1609075787
  42. Collin NissenPediatric Occupational Therapist1285232272
  43. William Nitardy, MDInternal Medicine Physician1083829923
  44. Lauryn NitschkeCase Manager/Care Coordinator1477350833
  45. Jennifer Nitz, LPCMental Health Counselor1235690975
  46. Ariana Niver, MSN, FNP-BCFamily Nurse Practitioner1285169086
  47. Dzyarah NixCase Manager/Care Coordinator1063332773
  48. Gregory Nix, MDAddiction Medicine (Internal Medicine) Physician1164497053
  49. Kathryn Nix, DPTPhysical Therapist1245079912
  50. Ann Nixdorf, PA-CPhysician Assistant1043716400

The largest Ohio cities

  1. Columbus36,491
  2. Cleveland30,748
  3. Toledo13,583
  4. Dayton12,431
  5. Akron10,950

All of Ohio →

How to read this directory

Cincinnati, Ohio appears in the CMS National Plan and Provider Enumeration System with 31,362 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 Cincinnati - 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 Cincinnati 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 Cincinnati is weighted toward Case Manager/Care Coordinator (3,811 clinicians, followed by Student in an Organized Health Care Education/Training Program with 1,758 and Social Worker with 1,184). 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, Cincinnati reports roughly 266.1 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 Cincinnati 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 Cincinnati, OH?

There are 31,362 registered healthcare providers in Cincinnati, OH, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Cincinnati?

The most common specialties in Cincinnati are Case Manager/Care Coordinator, Student in an Organized Health Care Education/Training Program, Social Worker, Clinical Social Worker, Licensed Practical Nurse. Case Manager/Care Coordinator has the most providers with 3,811.

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.