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 188 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. Rossy PerezBehavior Analyst1073164901
  2. Rylee PerezDay Training/Habilitation Specialist1194552398
  3. Tania PerezBehavior Technician1689311631
  4. Vanesa Perez, PHDClinical Child & Adolescent Psychologist1134802119
  5. Veronica PerezCase Manager/Care Coordinator1770803058
  6. Yaire PerezBehavior Technician1295419455
  7. Yaretzy PerezBehavior Technician1366329898
  8. Yessenia PerezBehavior Technician1093426033
  9. Jennifer Perez AlvarezBehavior Technician1518840875
  10. Andrea Perez CaudilloBehavior Technician1679460083
  11. Berenice Perez GamaBehavior Technician1659255479
  12. Giessell Perez HernandezBehavior Technician1184432460
  13. Dessire Perez HuesoBehavior Technician1174207922
  14. Britney Perez LeyvaBehavior Technician1760065353
  15. Vanessa Perez VigerasBehavior Analyst1417846783
  16. Jaritza Perez-Hernandez, MDEmergency Medicine Physician1457872764
  17. Mari Perez-Rosendahl, M.D.Neuropathology Physician1548620404
  18. Dina PerkeyPsychiatry Physician1386224772
  19. Gregory Perkins, MDAnesthesiology Physician1386789428
  20. Kevin PerkinsBehavior Technician1710876784
  21. Sarah PerkovicBehavior Technician1770302093
  22. Tara PeroomianStudent in an Organized Health Care Education/Training Program1821938044
  23. Conor PerrinGeneral Practice Dentistry1780253401
  24. Heather Perris, FNP-BCFamily Nurse Practitioner1235662511
  25. Alexis PerryBehavior Technician1205789500
  26. Rachel Perry, M.D.Obstetrics & Gynecology Physician1063686376
  27. Luz PeruBehavior Technician1164107116
  28. Ayrton PetersenBehavior Technician1104707348
  29. Brennan Peterson, PH.D., LMFTMarriage & Family Therapist1417432402
  30. Brett Peterson, MDSports Medicine (Orthopaedic Surgery) Physician1770564718
  31. Darcie Peterson, NPAdult Health Nurse Practitioner1114287620
  32. Debra Peterson, DCChiropractor1841357548
  33. Jennifer Peterson, RNLactation Consultant (Registered Nurse)1114783693
  34. Kimberly Peterson, NPPediatric Nurse Practitioner1033873336
  35. Margaret Peterson, CAODCRehabilitation Practitioner1003916594
  36. Melanie Peterson, MDStudent in an Organized Health Care Education/Training Program1194570242
  37. Shannon Peterson, M.S.Marriage & Family Therapist1972626521
  38. Terrye Peterson, RN, CDEDiabetes Educator Registered Nurse1649576349
  39. Sahnvi PetheBehavior Technician1194683219
  40. Ljubica Petrasic SmithGeneral Practice Dentistry1770836629
  41. Anton Petrenko, PHDClinical Psychologist1053689786
  42. John Petrie, MDOphthalmology Physician1457099376
  43. Laura Petrovich, MDPediatrics Physician1447543053
  44. Patricia Petrusan, RDHDental Hygienist1114359940
  45. Valinda PetschlMarriage & Family Therapist1730938150
  46. Jarrett PetschlagBehavior Technician1447067541
  47. Emily PettiStudent in an Organized Health Care Education/Training Program1144905274
  48. Leo Pevzner, MDMaternal & Fetal Medicine Physician1073636940
  49. Caroline Peyronnard, M.D.Specialist1639554629
  50. Krista Pfaendler, M.D.Obstetrics & Gynecology Physician1932334281

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.