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 233 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. Wesley TaiBehavior Technician1700680352
  2. Theresa TaingBehavior Technician1770358111
  3. Neomai TaioneMarriage & Family Therapist1669259859
  4. Daniel Taitano, MDPediatrics Physician1174103451
  5. Kazu TakakiDentist1013057272
  6. Ross TakemotoStudent in an Organized Health Care Education/Training Program1881532539
  7. Stephanie TakenakaPharmacist1134414097
  8. Ross Takesue, PT, DPTPhysical Therapist1679232821
  9. Andres Taleisnik, MDSurgery of the Hand (Plastic Surgery) Physician1396798195
  10. Julio Taleisnik, MDOrthopaedic Surgery Physician1679526529
  11. Brent Talley, DPTPhysical Therapist1528553864
  12. Tackson Tam, M.D.Internal Medicine Physician1548239635
  13. Delia TamasanHealth Educator1285826040
  14. Aimee TamashiroBehavior Technician1710843446
  15. Alexis TamayoBehavior Technician1699618462
  16. Millani Lynn TamayoBehavior Technician1821759234
  17. Ralph TamayoPhysical Therapy Assistant1386989994
  18. Alexander Tan, PHDClinical Neuropsychologist1033792882
  19. Andrew Tan, MDAnesthesiology Physician1184119505
  20. Angela Tan, MDGeriatric Medicine (Internal Medicine) Physician1437358173
  21. Crystal Tan, M.D., M.S.Anesthesiology Physician1346683489
  22. Kevin Tan, MDAnesthesiology Physician1609338029
  23. Kevin TanBehavior Technician1871288811
  24. Kexin TanBehavior Technician1174322754
  25. Keziah Ellery Tan, MDStudent in an Organized Health Care Education/Training Program1154123388
  26. Loren TanBehavior Technician1780446922
  27. Mo TanBehavior Technician1003705229
  28. Nicholas Tan, DOPediatrics Physician1114424777
  29. Savannah Tan, STUDENTEmergency Medicine Physician1417697608
  30. Kevin Tanaka, DDSDentist1588712798
  31. Marie Tanaka, MAClinical Child & Adolescent Psychologist1891442232
  32. Vivian Tanaka, M.D.Anesthesiology Physician1407028236
  33. Britney TangStudent in an Organized Health Care Education/Training Program1326997446
  34. Can Tang, MD, MPHPsychiatry Physician1811076508
  35. Cathy Tang, M.D.Plastic Surgery Physician1275858821
  36. Gexin Tang, M.D.Anesthesiology Physician1033173844
  37. Hoc TangOther Technician1235885849
  38. Jean TangBehavior Technician1164265161
  39. Kevin Tang, MD, MMSInternal Medicine Physician1487303004
  40. Kimberly Tang, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1225800147
  41. Linh TangBehavior Technician1710845839
  42. Lucy Tang, M.D.Pediatrics Physician1811341837
  43. Marshall Tang, MDStudent in an Organized Health Care Education/Training Program1760276075
  44. Nina TangBehavior Technician1811615867
  45. Regina TangStudent in an Organized Health Care Education/Training Program1053259705
  46. Taylor Tang, M.D.Surgery Physician1851611354
  47. Tony TangBehavior Technician1780200519
  48. Zoey TangBehavior Technician1578453312
  49. Nanette TangkekoMarriage & Family Therapist1184908758
  50. Joseph Tannenbaum, M.D.Family Medicine Physician1265659262

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.