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 260 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. Junfeng XiAcupuncturist1306259346
  2. Catherine Xia, MDAnesthesiology Physician1639411986
  3. Changrui Xiao, M.D.Clinical Genetics (M.D.) Physician1962815795
  4. Kate XieOphthalmology Physician1124415187
  5. Wang XiongLicensed Vocational Nurse1861123242
  6. Jennifer Xu, M.D.Cardiovascular Disease Physician1659802536
  7. Jordan Xu, MDNeurological Surgery Physician1215457130
  8. Kevin Xu, MDAnesthesiology Physician1043945454
  9. Ryan XuBehavior Technician1194689430
  10. Wilson Xu, MDStudent in an Organized Health Care Education/Training Program1407615636
  11. Ramy Yaacoub, M.D.Urology Physician1467730390
  12. Margarette YabutLicensed Vocational Nurse1972268340
  13. Faysal Yafi, MDUrology Physician1285854927
  14. Bassam Yaghmour, M.D.Critical Care Medicine (Internal Medicine) Physician1710117288
  15. Katerina YaleDermatology Physician1669977542
  16. Fiona YamamotoBehavior Technician1457942013
  17. Maki Yamamoto, MDSurgery Physician1336328194
  18. Kaitlin YamashiroBehavior Technician1598632473
  19. Mariana Yamashiro, LMFTMarriage & Family Therapist1609895606
  20. Achilles Yamauchi, RBTAssistant Behavior Analyst1881166379
  21. Joyce Yan, DPMFoot & Ankle Surgery Podiatrist1669790358
  22. Junru Yan, MDCornea and External Diseases Specialist Physician1316528383
  23. Marissa YandrichpedrazaBehavior Technician1578171120
  24. Sharlene YanezOther Technician1326631037
  25. Alvin Yang, DOPediatrics Physician1629727441
  26. Christopher Yang, MDStudent in an Organized Health Care Education/Training Program1700688603
  27. Chun Yang, M.D.Anesthesiology Physician1215033204
  28. Daniel Yang, MDInternal Medicine Physician1518617315
  29. Esther YangPsychiatry Physician1013208552
  30. Jenny Yang, N.P., D.N.P.Family Nurse Practitioner1730931205
  31. Jie Yang, RDRegistered Dietitian1548594112
  32. Jin Yang, MDPediatric Otolaryngology Physician1912562950
  33. Josephine Yang, PH. D.Clinical Psychologist1285714618
  34. Josephine Yang, D.D.SGeneral Practice Dentistry1801001649
  35. Kathleen Yang, DDSDentist1841494481
  36. Kelly YangPhysician Assistant1215588991
  37. Lacole YangBehavior Technician1700773058
  38. Lulu Yang, M.D.Internal Medicine Physician1770550246
  39. Michelle YangPediatrics Physician1306422266
  40. Minian Yang, OTRNeurorehabilitation Occupational Therapist1821118993
  41. Robin Yang, PHARMDPharmacotherapy Pharmacist1184544587
  42. Steven Yang, M.D.Adult Reconstructive Orthopaedic Surgery Physician1750780888
  43. Susan YangAnesthesiology Physician1811284508
  44. Irene Yang-Velez, M.D.Internal Medicine Physician1447489802
  45. Beshoy Yanny, M.D.Gastroenterology Physician1417221243
  46. Christepher Yao, MD, MPHEmergency Medicine Physician1649237637
  47. Simon Stephen Yao, NPFamily Nurse Practitioner1275244774
  48. Michael Yap, M.D.Nephrology Physician1588847362
  49. Lauren YapoPhysical Therapy Assistant1649093014
  50. Boniface YarabeStudent in an Organized Health Care Education/Training Program1801545181

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.