NPPES file of Aug 9, 2026

Doctors and health care providers in Santa Ana, CA

8,904 individual NPPES records list a practice address in Santa Ana, 18th of 812 California cities. The largest group is behavior technician: 1,625, 18% of the city's records, against 18% across California. Page 163 of 179.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

The 8 largest groups in Santa Ana

Source: CMS NPPES primary taxonomy, file of Aug 9, 2026.

Santa Ana in California

  • Rank in California18th of 812 cities by records
  • Share of the state0.9% of California's records
  • Specialties present25 or more taxonomy codes
  • Top three groups33.5% of all records

Compared with California as a whole, Santa Ana has 12.5× the state's share of community health registered nurse records and 0.50× its share of student in an organized health care education/training program records.

Providers in Santa Ana, alphabetically

  1. Alyssa TrombiniBehavior Analyst1114532405
  2. Cameron Tropple, PT, DPT, CSCSPhysical Therapist1659974442
  3. Erin Troske, SUDRCAddiction (Substance Use Disorder) Counselor1043989338
  4. Cynthia TrotterMental Health Counselor1073882114
  5. Denita Trowel, APCCMental Health Counselor1801380183
  6. Ted Trubenbach, LMFTMarriage & Family Therapist1053855981
  7. Lucie Truelock, CCC-SLPSpeech-Language Pathologist1154104578
  8. Bianca TrujilloCommunity Health Worker1639586985
  9. Emily Trujillo, RN, PHNCommunity Health Registered Nurse1902520489
  10. Haydee TrujilloMental Health Counselor1972634392
  11. Maira Trujillo, BEHAVIOR TECHNICIANBehavior Technician1881297737
  12. Stephanie TrujilloMental Health Counselor1316474729
  13. Joan Trumbull, OTR/LPediatric Occupational Therapist1013245554
  14. An Truong, MSN, FNP-CFamily Nurse Practitioner1750256509
  15. Andy Truong, D.D.S.General Practice Dentistry1841742954
  16. Brenda TruongClinical Social Worker1053605329
  17. Calvin TruongGeneral Practice Dentistry1295484202
  18. Christine Truong, M.S., CCC-SLPSpeech-Language Pathologist1588264386
  19. Diane Truong, O.D.Optometrist1730230756
  20. Hanh Truong, PH.D.Marriage & Family Therapist1295828952
  21. Hoa Truong, DDSDentist1528272507
  22. Hong My TruongPharmacist1932764453
  23. Lisa Truong, SLPSpeech-Language Pathologist1992646483
  24. Mai TruongBehavior Technician1154158822
  25. Michelle Truong, PHARMDPharmacist1154772176
  26. Minh Truong, ODOptometrist1386713980
  27. Quynh Truong, DDSGeneral Practice Dentistry1881692424
  28. Victoria Truong, BEHAVIOR TECHNICIANBehavior Technician1174253561
  29. Adriane TsaiBehavior Technician1467344291
  30. I-Ning TsaoMarriage & Family Therapist1750168522
  31. Sharlene TsaoStudent in an Organized Health Care Education/Training Program1134680267
  32. Kevin TsouBehavior Technician1174397038
  33. Matthew TsouBehavior Technician1972490035
  34. Tsung Tsou, M.D.Anesthesiology Physician1093158263
  35. Matthew TuBehavior Technician1386409944
  36. Tracy Tu, PHARM.DPharmacist1912237975
  37. Angelica TuasonOccupational Therapist1659873990
  38. Judy Tubbs, PA-CPhysician Assistant1730456591
  39. Glenda TuberaBehavior Technician1912846114
  40. Geraldine TubonPhysical Therapist1194905430
  41. Jerric TuburanBehavior Technician1346983129
  42. Lindsay TuckerRegistered Dietitian1760255806
  43. Robin TuckerDay Training/Habilitation Specialist1528367083
  44. Vanessa TuckerBehavior Technician1972210839
  45. Roxana TudoricaSpeech-Language Pathologist1497531917
  46. Lisa TullyPsychologist1235539784
  47. Emily Tully-Hanson, OD, MSOptometrist1033966775
  48. Sara Tun, REGISTERED NURSERegistered Nurse First Assistant1043491608
  49. Olumide Tunde SanyaBehavior Technician1083292403
  50. Sing Tung, MDObstetrics & Gynecology Physician1619913720

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

Santa Ana, California appears in the CMS National Plan and Provider Enumeration System with 8,904 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 Santa Ana - 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 Santa Ana 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 Santa Ana is weighted toward Behavior Technician (1,625 clinicians, followed by Mental Health Counselor with 684 and Marriage & Family Therapist with 678). 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, Santa Ana reports roughly 22.9 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, Internal Medicine Physician is the most prominent one with no provider currently listing a Santa Ana practice address, a coverage gap Santa Ana patients typically fill by traveling to a larger nearby hub.

For Santa Ana 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 Santa Ana, CA?

There are 8,904 registered healthcare providers in Santa Ana, CA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Santa Ana?

The most common specialties in Santa Ana are Behavior Technician, Mental Health Counselor, Marriage & Family Therapist, Clinical Social Worker, Addiction (Substance Use Disorder) Counselor. Behavior Technician has the most providers with 1,625.

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.