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 37 of 179.

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

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

The 8 largest groups in Santa Ana

  1. Behavior Technician1,625
  2. Mental Health Counselor684
  3. Marriage & Family Therapist678
  4. Clinical Social Worker433
  5. Addiction (Substance Use Disorder) Counselor407
  6. Registered Nurse281
  7. Counselor247
  8. Social Worker216

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. Oliver De CastroMarriage & Family Therapist1750888665
  2. Mika De CosterStudent in an Organized Health Care Education/Training Program1902433352
  3. Sally De DiosBehavior Technician1568140788
  4. Carolyn De GoeasMarriage & Family Therapist1700120789
  5. Jackie Leigh De Guzman, RNGeneral Practice Registered Nurse1063294841
  6. Gerardo De Jesus, NPAdult Health Nurse Practitioner1003180498
  7. Jose De Jesus, LVNLicensed Vocational Nurse1124288709
  8. Julio De La CruzRegistered Nurse1417703331
  9. Monica De La Cruz, B.A.Counselor1396830014
  10. Lisa De La Pena, NPPrimary Care Nurse Practitioner1104745264
  11. Olivia De La Piedra-MorrisseyStudent in an Organized Health Care Education/Training Program1902372154
  12. Adrian De La RivaMental Health Counselor1962044453
  13. Magdiel De La Rosa, AGACNPAcute Care Nurse Practitioner1669845186
  14. Crystal De La TorreBehavior Technician1457138075
  15. Dino De La TorreRehabilitation Practitioner1851867899
  16. Kianna De La TorreBehavior Technician1457296154
  17. Sophia De La TorreStudent in an Organized Health Care Education/Training Program1932088176
  18. Marcella De La VegaBehavior Technician1871459735
  19. Omar De La Vega, LMFT, LPCCMarriage & Family Therapist1619474517
  20. Taralyn De LeeuwPsychologist1801535448
  21. Adriana De LeonBehavior Technician1578449864
  22. Jasmine De LeonBehavior Technician1235828484
  23. Tyler De LeonClinical Social Worker1912238197
  24. Aaron De LoeraMental Health Counselor1437403896
  25. Michael De Los ReyesMental Health Counselor1508015355
  26. Verenice De Los SantosClinical Social Worker1215376116
  27. Carmina De Loza, PHARMACY TECHNICIANPharmacy Technician1487226932
  28. Patricia De Marco Centeno, MDPsychiatry Physician1164676169
  29. Rebecca De Ruyter, P.T.Physical Therapist1336312479
  30. Nathalie De Vera, PA-CMedical Physician Assistant1366131591
  31. Daisy DeanBehavior Technician1114548807
  32. Tina Dean, AA IN HUMAN SERVICESAddiction (Substance Use Disorder) Counselor1821154543
  33. Olga DeaquinoMental Health Counselor1164159158
  34. Bill Deatherage, PSY.D., MFTIMental Health Counselor1497762660
  35. Christina Deckert, M.D.Family Medicine Physician1215100623
  36. Nicole DefelicisBehavior Technician1265103535
  37. Marissa DegeorgeBehavior Technician1932973278
  38. Jeannette DegraveMental Health Counselor1366100232
  39. Rhian Deguzman, PA-CMedical Physician Assistant1417263658
  40. Yuliana DeharoCounselor1265720692
  41. Joseph Deis, J.D.Case Manager/Care Coordinator1689843948
  42. Arezou DejakamDental Hygienist1508313693
  43. Shireen Dejbakhsh, M.S., D.D.S.General Practice Dentistry1477688828
  44. Martha Del BosqueStudent in an Organized Health Care Education/Training Program1326604539
  45. Denise Colleen Del Cano, COTAOccupational Therapy Assistant1659769719
  46. Stephany Del CarmenBehavior Technician1760378335
  47. Conchita Del Mundo, MDPediatrics Physician1467544486
  48. Gennesis Del MuroBehavior Technician1437738648
  49. Isabel Del PozoCase Manager/Care Coordinator1235308586
  50. Lani Dela NocheFamily Nurse Practitioner1205606167

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.