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 264 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. Nariman Zarrabi, D.C.Chiropractor1588891006
  2. Frances ZauharBehavior Technician1467193870
  3. Karla ZavalaClinical Social Worker1437400389
  4. Leticia ZavalaBehavior Technician1053130799
  5. Carolin ZavalzaBehavior Technician1053981274
  6. Harshul Zaveri, MDNeurology with Special Qualifications in Child Neurology Physician1346732484
  7. Elizabeth Zayas, LMFTMarriage & Family Therapist1134381130
  8. Beatrize ZaycoPhysician Assistant1649900952
  9. Jessica ZberceaFamily Nurse Practitioner1891391470
  10. Howard Zee, M.D.Anesthesiology Physician1922487545
  11. Ruby Zeferino HernandezBehavior Technician1043951387
  12. Linda Zeineh, M.D.Plastic and Reconstructive Surgery Physician1932168424
  13. Amir ZekriaBehavior Technician1477238954
  14. Hannah Zelcer, PHDStudent in an Organized Health Care Education/Training Program1457237828
  15. Jonathan Zelken, MDPlastic and Reconstructive Surgery Physician1659548691
  16. Kathy Zelken, M.D.Pediatrics Physician1588927248
  17. Jason Zell, DOHematology & Oncology Physician1568666014
  18. Penny ZellmanAddiction (Substance Use Disorder) Counselor1255156568
  19. Julia ZembaOther Technician1740879816
  20. Cynthia ZendejasSchool Counselor1962341081
  21. Wei Yue Zeng, MDPediatrics Physician1245733088
  22. Alicia ZepedaBehavior Technician1154888204
  23. Evelyn Zepeda, MDStudent in an Organized Health Care Education/Training Program1679332886
  24. Steffanie Zepeda, M.A., MSWClinical Social Worker1972936920
  25. Usiel ZepedaBehavior Technician1972449312
  26. Anne Zepeda-Tiscareno, MDNeonatal-Perinatal Medicine Physician1861898256
  27. Rebecca Zerbst, PTPhysical Therapist1063577195
  28. Christine Zes, LMFTMental Health Counselor1053178459
  29. Jennifer ZetinaBehavior Technician1194547331
  30. Amy Jiahua Zhang, LA.CAcupuncturist1760975155
  31. Angie Zhang, MDNeurological Surgery Physician1669933990
  32. Brandon ZhangStudent in an Organized Health Care Education/Training Program1184467805
  33. Hannah ZhangStudent in an Organized Health Care Education/Training Program1487593166
  34. Isaac ZhangBehavior Technician1720907728
  35. James ZhangPsychiatry Physician1013612936
  36. James ZhangBehavior Technician1063258390
  37. Kayla ZhangBehavior Technician1497635288
  38. Kermit Zhang, MDStudent in an Organized Health Care Education/Training Program1750967451
  39. Kevin ZhangAnesthesiology Physician1649882531
  40. Linda Zhang, MDStudent in an Organized Health Care Education/Training Program1295194058
  41. Ly Zhang, MDAnesthesiology Physician1902433139
  42. Shannon Zhang, MDHematology & Oncology Physician1871120162
  43. Shengyue Zhang, PHARMDPharmacist1093597411
  44. Wei Zhang, MDAnesthesiology Physician1801970181
  45. Yijia ZhangBehavior Technician1073375259
  46. Ying ZhangClinical Molecular Genetics Physician1700506938
  47. Yu ZhangBehavior Technician1831914431
  48. Guohua Zhao, M.D., PH.D.Specialist1831370220
  49. Jiaqi ZhaoBehavior Technician1396602512
  50. Jingyi ZhaoBehavior Technician1215858089

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.