NPPES file of Aug 9, 2026

Doctors and health care providers in Rochester, NY

20,520 individual NPPES records list a practice address in Rochester, 4th of 1,009 New York cities. The largest group is licensed practical nurse: 1,843, 9% of the city's records, against 4% across New York. Page 271 of 411.

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

The 8 largest groups in Rochester

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

Rochester in New York

  • Rank in New York4th of 1,009 cities by records
  • Share of the state3.8% of New York's records
  • Specialties present25 or more taxonomy codes
  • Top three groups21.7% of all records
  • Licensed Practical Nurse rank2nd of the 10 New York cities with the most

Compared with New York as a whole, Rochester has 3.4× the state's share of hospitalist physician records and 0.55× its share of social worker records.

Providers in Rochester, alphabetically

  1. James Oliverio, NPAcute Care Nurse Practitioner1063525376
  2. Shannon Oliverio, ANPAdult Health Nurse Practitioner1871604306
  3. David Olivo, DMDDentist1225101272
  4. Yeter Olmez, NPFamily Nurse Practitioner1558231506
  5. Kerri Olney, RPHPharmacist1790008373
  6. Jessica Oloughlin, DOGeriatric Medicine (Family Medicine) Physician1255950515
  7. Richard Olsan, MDPersonal Emergency Response Attendant1518075639
  8. Francis Olscamp, PT, MPA, CPPhysical Therapist1386962017
  9. Brianna OlschewskeSpeech-Language Pathologist1073156287
  10. Julie Olschewski, RPHPharmacist1447337563
  11. Alexandra OlsenAdvanced Practice Midwife1104410950
  12. Clinton Olsen, PAPhysician Assistant1164446027
  13. Jennifer Olsen, MS, LPMHC, NCCMental Health Counselor1366209249
  14. Robert Olsen, MDOphthalmology Physician1508826579
  15. David Olson, RPHPharmacist1811924996
  16. Erik Olson, D.O.Gastroenterology Physician1235454620
  17. Kathryn Olson, MS, OTR/LOccupational Therapist1083843833
  18. Courtney Olson-Chen, M.D.Obstetrics & Gynecology Physician1366768202
  19. Zoltan Oltvai, MDAnatomic Pathology & Clinical Pathology Physician1679548374
  20. Omenihu Oluikpe, R.PH.Pharmacist1467784371
  21. Diego OlveraFamily Medicine Physician1215516968
  22. Ann Olzinski-Kunze, M.D.Surgical Oncology Physician1023045077
  23. William Omalley, M.D.Specialist1558327999
  24. Joanne Omeri, LPNLicensed Practical Nurse1750626297
  25. Mirai Omote, MDStudent in an Organized Health Care Education/Training Program1073457289
  26. Benjamin Onderdonk, M.D.Radiation Oncology Physician1013370295
  27. Samantha Onderdonk, DPTPhysical Therapist1215793211
  28. Ashley OnealLicensed Practical Nurse1619562220
  29. Emily OneilLicensed Practical Nurse1427870047
  30. Kara OneillMental Health Counselor1942124193
  31. Rebecca Oneill, LMSWMental Health Counselor1760774202
  32. Ling Ong, M.D.Cardiovascular Disease Physician1154322493
  33. Rebecca Ong, NPAdult Health Nurse Practitioner1801179858
  34. Erin Ontiveros, CLCLactation Consultant (Non-RN)1457899387
  35. Eliana Ontiveros-ObergPhysician Assistant1659251296
  36. Frederick Onufryk, PTPhysical Therapist1396950291
  37. Princess OnuorahStudent in an Organized Health Care Education/Training Program1679261481
  38. David Onyenma, DPMFoot & Ankle Surgery Podiatrist1194402396
  39. Michelle OpipariPharmacist1346624400
  40. Janice Opladen, N.P.Adult Health Nurse Practitioner1528172814
  41. Samuel Opoku-Acheampong, MDEmergency Medicine Physician1114668316
  42. Daniel Oppenheimer, MDDiagnostic Radiology Physician1144519992
  43. John OradatPharmacist1376722744
  44. Abdullah Orakzai, MD, MBBSStudent in an Organized Health Care Education/Training Program1407588452
  45. Meg Orbaker, RNMSRegistered Nurse1659019156
  46. Emily OrbanSpeech-Language Pathologist1194220202
  47. Jessica Orchard, LMHCMental Health Counselor1255036570
  48. Carline OrelienFamily Nurse Practitioner1063364438
  49. Elizabeth Orengo, RNCommunity Health Registered Nurse1215239108
  50. Elias OrfanidesStudent in an Organized Health Care Education/Training Program1902694284

The largest New York cities

  1. New York98,468
  2. Brooklyn64,057
  3. Bronx32,017
  4. Buffalo13,287
  5. Staten Island12,351

All of New York →

How to read this directory

Rochester, New York appears in the CMS National Plan and Provider Enumeration System with 20,520 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 Rochester - 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 Rochester 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 Rochester is weighted toward Licensed Practical Nurse (1,843 clinicians, followed by Student in an Organized Health Care Education/Training Program with 1,700 and Registered Nurse with 904). 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 New York's population, Rochester reports roughly 104.8 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.

Of New York's most common specialties, Specialist is the most prominent one with no provider currently listing a Rochester practice address, a coverage gap Rochester patients typically fill by traveling to a larger nearby hub.

For Rochester 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 Rochester, NY?

There are 20,520 registered healthcare providers in Rochester, NY, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Rochester?

The most common specialties in Rochester are Licensed Practical Nurse, Student in an Organized Health Care Education/Training Program, Registered Nurse, Mental Health Counselor, Family Nurse Practitioner. Licensed Practical Nurse has the most providers with 1,843.

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.