NPPES file of Aug 9, 2026

Doctors and health care providers in Phoenix, AZ

31,399 individual NPPES records list a practice address in Phoenix, 1st of 137 Arizona cities. The largest group is students in training: 1,583, 5% of the city's records, against 3% across Arizona. Page 419 of 628.

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

The 8 largest groups in Phoenix

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

Phoenix in Arizona

  • Rank in Arizona1st of 137 cities by records
  • Share of the state24.9% of Arizona's records
  • Specialties present25 or more taxonomy codes
  • Top three groups14.3% of all records
  • Students in training rank1st of the 10 Arizona cities with the most

Compared with Arizona as a whole, Phoenix has 1.9× the state's share of student in an organized health care education/training program records and 0.75× its share of general practice dentistry records.

Providers in Phoenix, alphabetically

  1. Nathalie OrtizSpeech-Language Assistant1114507324
  2. Rachel Ortiz, NPNurse Practitioner1225588767
  3. Robert Ortiz, MSC, ATCAthletic Trainer1063848604
  4. Russell Ortiz, NNPNeonatal Nurse Practitioner1801816541
  5. Selena Ortiz, BA, RBTBehavior Technician1043091259
  6. Tanya Ortiz, L.C.S.W.Clinical Social Worker1851359863
  7. Tawny Ortiz, PTAPhysical Therapy Assistant1851666317
  8. Nieves Ortiz MelendezSchool Psychologist1093094484
  9. Karla Ortiz ReyesBehavior Technician1073407284
  10. Alyssa Ortiz-OchoaBehavior Technician1891615563
  11. Jennifer Ortlepp, MS,Nutritionist1700543469
  12. Michael Ortman, MDAnesthesiology Physician1114556248
  13. Jessica Ortwein, RD, CSOWMRegistered Dietitian1174987143
  14. Lilian Orumana, PMHNPPsychiatric/Mental Health Nurse Practitioner1457058091
  15. Emily Orvos, MS, RD, CSSDSports Dietetics Nutrition Registered Dietitian1356181408
  16. James Osaki, DDSOral and Maxillofacial Surgery (Dentist)1831201649
  17. Lucy Osawaru, APRN, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1295190353
  18. Christina Osberg, M.S., BCBA, LBABehavior Analyst1114559770
  19. Melinda Osbon, DRIVERDriver1144626383
  20. Monic Osborn, LPNLicensed Practical Nurse1275283863
  21. Amanda OsborneStudent in an Organized Health Care Education/Training Program1851215305
  22. Benjamin Osborne, D.O.Internal Medicine Physician1740462894
  23. James Osborne, D.O.Facial Plastic Surgery Physician1912944042
  24. Lester Osborne, MDFamily Medicine Physician1467650986
  25. Lindsey Osborne, M.ED, BCBA, LBABehavior Analyst1588129910
  26. Alexis Osborne-McNeil, N.M.D.Naturopath1780910521
  27. Jeffrey Osburn, MDObstetrics & Gynecology Physician1457359572
  28. Julie Osgood, FNP-CFamily Nurse Practitioner1801319421
  29. Erin OsheaBehavior Technician1760999221
  30. Mykal Oshea, ARNPFamily Nurse Practitioner1881974137
  31. Emil Osipov, M.DStudent in an Organized Health Care Education/Training Program1083147268
  32. Grace Osipowicz, DNPNurse Practitioner1992461503
  33. Abdul-Fatawu Osman, MDInternal Medicine Physician1801414206
  34. Ashwaq OsmanBehavior Technician1609503853
  35. Foos Osman, LPNLicensed Practical Nurse1316372048
  36. Halima OsmanStudent in an Organized Health Care Education/Training Program1235016361
  37. Leenda OsmanStudent in an Organized Health Care Education/Training Program1740975812
  38. Liban Osman, NP MSNFamily Nurse Practitioner1518403658
  39. Sosian OsmanDriver1487989372
  40. H Osmussen, MDAnesthesiology Physician1891765087
  41. Ngozi Osondu, M.DInfectious Disease Physician1598778177
  42. Grace OsornioBehavior Technician1093694747
  43. Maria Ospina, MDNeurology Physician1881633212
  44. Eric Ossowski, M.D.Family Medicine Physician1063508463
  45. Scott Ostdiek, M.D.Pediatric Infectious Diseases Physician1548236631
  46. Daniel Ostlie, M.D.Pediatric Surgery Physician1780637231
  47. Diane OstlundAddiction (Substance Use Disorder) Counselor1750761912
  48. Julia Ostoich, DPTPhysical Therapist1316465842
  49. Kathryn Ostrander, DAT, ATCAthletic Trainer1992249551
  50. Jennifer OstreicherSpeech-Language Pathologist1447515192

The largest Arizona cities

  1. Tucson18,788
  2. Scottsdale11,008
  3. Mesa9,151
  4. Gilbert5,802
  5. Chandler5,497

All of Arizona →

How to read this directory

Phoenix, Arizona appears in the CMS National Plan and Provider Enumeration System with 31,399 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 Phoenix - 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 Phoenix 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 Phoenix is weighted toward Student in an Organized Health Care Education/Training Program (1,583 clinicians, followed by Pharmacist with 1,483 and Behavior Technician with 1,422). 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 Arizona's population, Phoenix reports roughly 422.5 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 Phoenix 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 Phoenix, AZ?

There are 31,399 registered healthcare providers in Phoenix, AZ, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Phoenix?

The most common specialties in Phoenix are Student in an Organized Health Care Education/Training Program, Pharmacist, Behavior Technician, Family Nurse Practitioner, Physical Therapist. Student in an Organized Health Care Education/Training Program has the most providers with 1,583.

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.