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 24 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. Margaret Carrigan, PHNCommunity Health Registered Nurse1851572119
  2. Belen CarrilloRehabilitation Practitioner1760648489
  3. Cristina CarrilloBehavior Technician1669257663
  4. Irma CarrilloMental Health Counselor1770062192
  5. Joshua CarrilloMental Health Counselor1376049015
  6. Judith CarrilloCase Manager/Care Coordinator1255119491
  7. Kevin CarrilloDay Training/Habilitation Specialist1619714748
  8. Mayeli CarrilloCase Manager/Care Coordinator1568783785
  9. Melina CarrilloAddiction (Substance Use Disorder) Counselor1144810557
  10. Melissa CarrilloBehavior Technician1487376877
  11. Rebekah Carrillo, RNRegistered Nurse1508606351
  12. Tania CarrilloClinical Social Worker1528615226
  13. Carla CarrionBehavior Analyst1427517978
  14. Alexander CarrollBehavior Technician1619645538
  15. Tamika CarrollAddiction (Substance Use Disorder) Counselor1265083943
  16. Gabrielle Carter, RN, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1245062736
  17. Jack Carter, M.A. IN EDUCATIONBehavior Analyst1487126702
  18. Ruth CarterMental Health Counselor1962692749
  19. Tanya CarterMental Health Counselor1568904902
  20. Rebecca CarucciMental Health Counselor1902392806
  21. Floraine CarununganMarriage & Family Therapist1720707359
  22. Rhena CarusilloRegistered Nurse1811628084
  23. Kailee CarusoMental Health Counselor1104919778
  24. Giovanni CasasMental Health Counselor1568942688
  25. Lindsey CasasCommunity Health Worker1538907084
  26. Brooke Casazza, NPAdult Health Nurse Practitioner1811579071
  27. Kyle Case, D.O.Student in an Organized Health Care Education/Training Program1760757223
  28. Jessica CaseyBehavior Technician1992551360
  29. David Cashman, DDSDentist1689820342
  30. Ana CasianRehabilitation Practitioner1821484544
  31. Manuel CasillasDay Training/Habilitation Specialist1003701095
  32. Maria De Jesus CasillasSpeech-Language Pathologist1285421164
  33. Rose CasillasSocial Worker1912240680
  34. J Cassidy, M.D.Adult Medicine Physician1528132487
  35. Aida CastanedaCounselor1497878029
  36. Cassandra Castaneda, RNHome Health Registered Nurse1437898269
  37. Christine CastanedaRegistered Nurse1659744514
  38. Hector CastanedaReligious Nonmedical Practitioner1144082033
  39. Manoush CastanedaMarriage & Family Therapist1760270334
  40. Miriam CastanedaCase Manager/Care Coordinator1750562708
  41. Nelly CastanedaBehavior Technician1700677598
  42. Vanessa CastanedaRehabilitation Practitioner1336935378
  43. Karen Castaneda AlvaradoMental Health Counselor1124869177
  44. Yohana Castaneda Rios, REGISTERED NURSERegistered Nurse1740064278
  45. Carolina Castano, P.A.C.Medical Physician Assistant1568624559
  46. Lucero CastelanMental Health Counselor1982371936
  47. Miquel CastelanBehavior Technician1639885718
  48. Jannet CastellanoRegistered Nurse1205385010
  49. Ariana CastellanosMarriage & Family Therapist1922534890
  50. Daniel CastellanosBehavior Technician1588123913

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.