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 187 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. Staci Pereira, M.S., CCC-SLPSpeech-Language Pathologist1467492181
  2. K.a. Manisha PereraGeriatric Medicine (Internal Medicine) Physician1952783862
  3. Abigail PerezDay Training/Habilitation Specialist1649939299
  4. Adriana PerezCommunity Health Worker1396410155
  5. Anahi PerezBehavior Technician1407420995
  6. Angel PerezBehavior Technician1700717139
  7. Angelica PerezBehavior Technician1366339608
  8. Anstiss Perez, LMFT, APCCMarriage & Family Therapist1831697507
  9. Chloe Perez, RBTBehavior Technician1821857590
  10. Chris PerezStudent in an Organized Health Care Education/Training Program1528857950
  11. Ciera PerezBehavior Technician1619786779
  12. Crystal PerezBehavior Technician1851145288
  13. Daniel PerezBehavior Technician1780242503
  14. Daniel Perez, LMFTMarriage & Family Therapist1972256527
  15. Daniel PerezBehavior Technician1922754449
  16. David PerezBehavior Technician1417813007
  17. Davina PerezBehavior Technician1821987892
  18. Diana PerezBehavior Technician1083213219
  19. Dorothy PerezCase Manager/Care Coordinator1215118781
  20. Eli PerezStudent in an Organized Health Care Education/Training Program1619670403
  21. Fatima PerezBehavior Technician1881546661
  22. Flor PerezBehavior Technician1407315989
  23. Frances PerezBehavior Technician1710683339
  24. Gizelle PerezBehavior Technician1649053232
  25. Isis Perez, SLPASpeech-Language Assistant1427523497
  26. Jacqueline PerezBehavior Technician1477273225
  27. Jaquelyn PerezBehavior Technician1114784097
  28. Jarett PerezBehavior Technician1982273553
  29. Jenalyn PerezBehavior Technician1477361541
  30. Jennifer PerezBehavior Technician1407637648
  31. Jessica PerezSchool Counselor1891633442
  32. Jose Perez, BCBABehavior Analyst1215498571
  33. Joshua PerezAddiction (Substance Use Disorder) Counselor1316513567
  34. Kassandra Perez, MAStudent in an Organized Health Care Education/Training Program1235810052
  35. Krista Perez, LCSWClinical Social Worker1457924615
  36. Kristal PerezBehavior Technician1588532410
  37. Kristen Perez, M.A., CCC-SLPSpeech-Language Pathologist1619360112
  38. Leslie PerezBehavior Technician1528955820
  39. Liliana PerezBehavior Technician1558237883
  40. Lucia PerezBehavior Technician1619864766
  41. Marija PerezBehavior Technician1871052357
  42. Melissa Perez, MSMarriage & Family Therapist1992160360
  43. Melissa PerezBehavior Technician1740085745
  44. Mia PerezBehavior Technician1265388110
  45. Natalie PerezAudiologist-Hearing Aid Fitter1811161631
  46. Natalie PerezBehavior Technician1770391674
  47. Osvaldo PerezBehavior Technician1801527510
  48. Rachelle PerezAssistant Behavior Analyst1285202820
  49. Raquel PerezBehavior Technician1508581273
  50. Rosalia PerezRehabilitation Practitioner1386233914

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.