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 12 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. Leenzie AranetaBehavior Technician1578456323
  2. Elijah AranzasoBehavior Technician1063221430
  3. Agustin AraujoBehavior Technician1932870102
  4. Mishell AraujoDental Assistant1831486398
  5. Nadia AraujoSpeech-Language Pathologist1245690478
  6. Elen Araya, FNPNurse Practitioner1023225281
  7. Diana ArbelaezPsychologist1649040650
  8. Theresa ArceBehavior Technician1437880150
  9. Vanessa ArceClinical Social Worker1578085619
  10. Christina ArchambaultBehavior Technician1689526782
  11. Meena Archie, M.D.Vascular Surgery Physician1588083646
  12. Sebastian Arcila, MDPulmonary Disease Physician1588956007
  13. Karina Arcos, LCSW80187Clinical Social Worker1144673211
  14. Christina Arcuri, MDHospitalist Physician1558855403
  15. Jessica ArcuriBehavior Technician1043107584
  16. Souzan ArdalanDentist1629196449
  17. Jose ArechigaBehavior Technician1265127963
  18. Laila Arefi, PAPhysician Assistant1881714277
  19. Janetta Arellano, MDNeurology with Special Qualifications in Child Neurology Physician1700318763
  20. Julissa Arellano, RADTAddiction (Substance Use Disorder) Counselor1396479739
  21. Karla ArellanoBehavior Technician1669248662
  22. Leslie ArellanoOther Technician1316618804
  23. Lucas ArellanoBehavior Technician1225885114
  24. Manuel ArellanoBehavior Technician1518711837
  25. Valeria ArellanoBehavior Technician1255133773
  26. Janine Arena NicollMental Health Counselor1083026264
  27. Christine Arenas, BARehabilitation Practitioner1669358404
  28. Angela Arendt, M.A., L.M.F.T.Marriage & Family Therapist1730328923
  29. Brian ArevaloBehavior Technician1699554030
  30. Diana Arevalo, MSWSocial Worker1013734656
  31. Jennifer Arevalo, B.S.Speech-Language Assistant1225394331
  32. Luis Arevalo, PH.D.Clinical Psychologist1578513073
  33. Ivan Jerome Argame, DNPAnesthesiology Physician1730675786
  34. Gabriella ArgaoBehavior Technician1659104131
  35. Rojin ArghavanMarriage & Family Therapist1558121988
  36. Lisa Arguedas, RPHPharmacist1770061913
  37. Parham ArianBehavior Technician1487507539
  38. Deyis AriasBehavior Technician1801765797
  39. Iliana Arias, M.S.W.Mental Health Counselor1184943979
  40. Margarita AriasSocial Worker1689511602
  41. Everardo Arias Torres, MDStudent in an Organized Health Care Education/Training Program1821594094
  42. Jeminnahcaeleen ArinezOther Technician1194491829
  43. Swathi AriyapadiNeonatal-Perinatal Medicine Physician1679102768
  44. Shruti Ariza, MDGastroenterology Physician1962657023
  45. Carole Arlt, MAMarriage & Family Therapist1497883821
  46. Nicole ArmasBehavior Technician1619777208
  47. Robert Armen, M.D.Infectious Disease Physician1225041080
  48. Rudy ArmendarizLicensed Vocational Nurse1477217131
  49. Emily ArmentaBehavior Technician1013791557
  50. Michelle ArmentaPeer Specialist1477120418

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.