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 75 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. Lisa Follmer, LCSWClinical Social Worker1336694017
  2. Emily Fonda, MD MMMSpecialist1033532254
  3. Amanda FongBehavior Technician1053288936
  4. Felicia FongPediatrics Physician1902744774
  5. Marie FongStudent in an Organized Health Care Education/Training Program1346041282
  6. Nicole FongBehavior Analyst1457938631
  7. Alberto FonsecaBehavior Technician1104546951
  8. Allene FonsecaDermatology Physician1487008025
  9. Jazmin FonsecaBehavior Technician1851271662
  10. Cassidy FontaineDay Training/Habilitation Specialist1235953571
  11. Lindsay Fontecha, AGACNP-BCAcute Care Nurse Practitioner1699177907
  12. Virginia Fontenot, MDObstetrics & Gynecology Physician1124681812
  13. Siyavash Fooladian, M.D.Anesthesiology Physician1508016767
  14. Demetra FoondosBehavior Technician1770441537
  15. Lee Forbes, CCAPPAddiction (Substance Use Disorder) Counselor1861025553
  16. Allyn ForbushBehavior Technician1770352270
  17. Jenna Forcier, NPAcute Care Nurse Practitioner1609699024
  18. Camdon FordBehavior Technician1568307387
  19. Tess FordAddiction (Substance Use Disorder) Counselor1447822622
  20. Robin Fordham, PAMedical Physician Assistant1902175276
  21. Jonathan ForfaSpeech-Language Pathologist1962865816
  22. Nikta Forghani, MDPediatric Endocrinology Physician1902011026
  23. Zahra Forghani EsfahaniDentist1255573218
  24. Michael Forino, M.D.Diagnostic Radiology Physician1891794319
  25. Ava FormicaBehavior Technician1003675737
  26. Harry Fornwalt, MDHospitalist Physician1306084173
  27. Saam ForoshaniStudent in an Organized Health Care Education/Training Program1740082668
  28. Eleanor Forrest, RN, MSNCommunity Health Registered Nurse1700067287
  29. Samuel ForresterDay Training/Habilitation Specialist1467242388
  30. Anna ForslundMarriage & Family Therapist1811870140
  31. Grace Forster, MDStudent in an Organized Health Care Education/Training Program1588305965
  32. Samuel ForstonBehavior Technician1508538869
  33. Tina Forsythe, PT, DPTPhysical Therapist1730620964
  34. Marita Fortades, MDPediatrics Physician1003948803
  35. Vanessa Forte, BTBehavior Technician1548195175
  36. Donald N Forthal, MDInfectious Disease Physician1215017363
  37. Kyle Fortinsky, MDGastroenterology Physician1710403498
  38. Jazmyne FortmanMarriage & Family Therapist1134894686
  39. Alyson FortunaBehavior Technician1780300327
  40. Angelica FortunaBehavior Technician1831968569
  41. Zoe FortunaBehavior Technician1124917042
  42. Courtney Fosnaugh-GonzalesBehavior Technician1265065627
  43. Sabrina FossiGenetic Counselor (M.S.)1932070299
  44. Janet Fossum, PH.D.Clinical Psychologist1871673954
  45. Ashli Foster, L.AC.Acupuncturist1023033164
  46. Jennifer Foster, B.A PSCHOLOGYMental Health Counselor1174727598
  47. Robin FosterBehavior Technician1629889837
  48. Gianna FoteStudent in an Organized Health Care Education/Training Program1891490884
  49. Peter Fotinakes, M.D.Sleep Medicine (Internal Medicine) Physician1679542518
  50. Christopher Fotinos, DDSDentist1801988563

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.