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 252 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. Khoi VuBehavior Technician1528992617
  2. Michael Vu, PT, DPTPhysical Therapist1558086421
  3. Peter VuBehavior Technician1962206599
  4. Philip Vu, PA-COtolaryngology Physician1902669559
  5. Thao VuBehavior Analyst1114468964
  6. Thu VuBehavior Technician1184461014
  7. Tiffany VuBehavior Technician1437027828
  8. Timothy Vu, MDInternal Medicine Physician1629654397
  9. Tracy Hanh Vu, PAMedical Physician Assistant1346912813
  10. Trung Vu, MDCritical Care Medicine (Anesthesiology) Physician1578604328
  11. Kevin Vuchinich, MDObstetrics & Gynecology Physician1457445710
  12. Nyah VukoyeBehavior Technician1235062076
  13. Tammy VuongBehavior Technician1427918549
  14. Aishwarya VuppalaStudent in an Organized Health Care Education/Training Program1447108659
  15. Raj Vyas, M.D.Plastic Surgery Physician1770751828
  16. Audrey WachsBehavior Technician1417743717
  17. Joshua WadaOther Technician1144991639
  18. Chloe WaddellBehavior Technician1760075568
  19. Thomas Waddington, M.D.Pulmonary Disease Physician1891744470
  20. Adam WadeStudent in an Organized Health Care Education/Training Program1760914329
  21. Daesean WadeBehavior Technician1871367342
  22. Sioban WadeMarriage & Family Therapist1063881316
  23. Tynesha Wade, CPNP-ACCritical Care Pediatric Nurse Practitioner1487591483
  24. Christian WaerBehavior Technician1841927357
  25. Feizal Waffarn, MDNeonatal-Perinatal Medicine Physician1518061100
  26. Holly Wagner, MPTPhysical Therapist1285767350
  27. Shatha WahbiStudent in an Organized Health Care Education/Training Program1841040342
  28. Michelle Wahlquist, M.S. CCC-SLPSpeech-Language Pathologist1255763546
  29. Sophia WainscottBehavior Technician1134055312
  30. Erin Wainwright, MDPediatrics Physician1285253344
  31. Heather WaiteMarriage & Family Therapist1467655183
  32. Sally Waite, RNRegistered Nurse1710096946
  33. Tammy WaitmanMarriage & Family Therapist1386986099
  34. Ashten WaksObstetrics & Gynecology Physician1356847826
  35. Dana WalduskyBehavior Analyst1295401420
  36. Ann Walker, M.A., CGCGenetic Counselor (M.S.)1548262827
  37. Baleu WalkerBehavior Technician1346966769
  38. Carmen Walker, NURSE PRACTITIONERNurse Practitioner1699098608
  39. Dallas WalkerBehavior Technician1962399089
  40. Dolores WalkerDay Training/Habilitation Specialist1881565083
  41. Dorothy WalkerBehavior Technician1740900596
  42. Elliot WalkerBehavior Technician1073322426
  43. Grace Walker, DPT, OTDPhysical Therapist1902903891
  44. Julia WalkerBehavior Technician1851098800
  45. Kristen WalkerStudent in an Organized Health Care Education/Training Program1750182721
  46. Sarah Walker, RDN, LDRegistered Dietitian1821521741
  47. Tiffany Walker, NPAdult Health Nurse Practitioner1730683319
  48. Xaviour Walker, M.D.Geriatric Medicine (Internal Medicine) Physician1104151042
  49. Alycia WallacePeer Specialist1255975801
  50. Austin Wallace, RSLDOptician1831754209

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.