NPPES file of Aug 9, 2026

Doctors and health care providers in Orange, CA

13,245 individual NPPES records list a practice address in Orange, 11th of 812 California cities. The largest group is behavior technician: 4,271, 32% of the city's records, against 18% across California. Page 190 of 265.

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

The 8 largest groups in Orange

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

Orange in California

  • Rank in California11th of 812 cities by records
  • Share of the state1.4% of California's records
  • Specialties present25 or more taxonomy codes
  • Top three groups42% of all records
  • Behavior Technician rank7th of the 10 California cities with the most

Compared with California as a whole, Orange has 7.3× the state's share of other technician records and 0.43× its share of physical therapist records.

Providers in Orange, alphabetically

  1. Ronald Pham, DDSGeneral Practice Dentistry1619518289
  2. Sharon Pham, MDPediatrics Physician1649505298
  3. Stephanie PhamStudent in an Organized Health Care Education/Training Program1144922261
  4. Tan Thien PhamBehavior Technician1053194654
  5. Terri PhamPharmacist1427332543
  6. Thi PhamBehavior Technician1336907831
  7. Thuyvi Pham, NPFamily Nurse Practitioner1558857359
  8. Thy Pham, PHARM.D.Pharmacist1932828894
  9. Tiffany PhamBehavior Technician1306528633
  10. Tina PhamBehavior Technician1346124138
  11. Vanessa PhamBehavior Technician1275298192
  12. Vangiao PhamPharmacist1255601134
  13. VI PhamBehavior Technician1073364790
  14. Vivian PhamPediatrics Physician1639947765
  15. Xuan-Binh Pham, MDVascular Surgery Physician1003164112
  16. Yasuyuki PhamDiagnostic Radiology Physician1427347319
  17. Ynin Pham-Methot, LCSWClinical Social Worker1538731880
  18. Andrew Phan, M.D.Rheumatology Physician1710164736
  19. Anthony Phan, LMFTMarriage & Family Therapist1437495900
  20. Bang PhanBehavior Analyst1427551720
  21. Bao PhanPharmacist1215597042
  22. Emily Phan, M.D.Internal Medicine Physician1396969572
  23. James PhanBehavior Technician1659094993
  24. Joseph PhanStudent in an Organized Health Care Education/Training Program1215796412
  25. My Phuong Phan, NPFamily Nurse Practitioner1659878882
  26. Pauline PhanBehavior Technician1710600705
  27. Son PhanGeneral Practice Physician1972669091
  28. Steve Huy PhanStudent in an Organized Health Care Education/Training Program1164370326
  29. Thao PhanBehavior Technician1356049050
  30. Theodore PhanClinical Social Worker1154783736
  31. Thu PhanBehavior Technician1396674321
  32. Tuong PhanBehavior Technician1962231787
  33. Vinh Phan, PHARMDPharmacist1881250371
  34. Vivian PhanAssistant Behavior Analyst1720656366
  35. Mia PhaoBehavior Technician1942162037
  36. Jeanie PhelpsOccupational Therapist1245167055
  37. Kari Phelps, BACHELOR'SOccupational Therapist1255908315
  38. Sara Phelps, M.D.Pediatrics Physician1801186440
  39. Sydney PhetheanBehavior Technician1639066962
  40. Nicolas Phielipp, M.D.Neurology Physician1578986949
  41. Andrew PhilaphandetBehavior Technician1861348641
  42. Jaren PhilleoBehavior Technician1346887965
  43. Javen PhilleoBehavior Technician1013541523
  44. Darren PhillipsLicensed Vocational Nurse1366303372
  45. Donald Phillips, M.D.Neurology Physician1447485701
  46. Emillie PhillipsBehavior Technician1811884158
  47. Emily PhillipsBehavior Technician1669304481
  48. Jacob PhillipsBehavior Technician1891560793
  49. Joshua Phillips, PA-CPhysician Assistant1326491440
  50. Lily PhillipsBehavior Technician1205676897

The largest California cities

  1. Los Angeles69,537
  2. San Diego52,937
  3. San Francisco38,143
  4. Sacramento33,083
  5. San Jose20,925

All of California →

How to read this directory

Orange, California appears in the CMS National Plan and Provider Enumeration System with 13,245 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 Orange - 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 Orange 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 Orange is weighted toward Behavior Technician (4,271 clinicians, followed by Student in an Organized Health Care Education/Training Program with 870 and Marriage & Family Therapist with 424). 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 California's population, Orange reports roughly 34 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 California's most common specialties, Case Manager/Care Coordinator is the most prominent one with no provider currently listing a Orange practice address, a coverage gap Orange patients typically fill by traveling to a larger nearby hub.

For Orange 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 Orange, CA?

There are 13,245 registered healthcare providers in Orange, CA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Orange?

The most common specialties in Orange are Behavior Technician, Student in an Organized Health Care Education/Training Program, Marriage & Family Therapist, Clinical Social Worker, Mental Health Counselor. Behavior Technician has the most providers with 4,271.

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.