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 136 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. Katherine Richardson, RBTOther Technician1841656360
  2. Treasure RichardsonBehavior Technician1215816764
  3. Gena Richcreek, MFTMarriage & Family Therapist1689697690
  4. Mary RicheyRehabilitation Practitioner1639610694
  5. Susan RichfraserRegistered Nurse1831768795
  6. Tracy Rick, LCSWClinical Social Worker1063511814
  7. Kathleen RickardAddiction (Substance Use Disorder) Counselor1689457186
  8. Kelly Ricker, CRNACertified Registered Nurse Anesthetist1851792998
  9. Yessica Rico, RBTBehavior Technician1487397436
  10. Christopher Ried, M.D.Internal Medicine Physician1740359264
  11. Delaney RiehleBehavior Technician1154125037
  12. Gina RietbergCounselor1144676164
  13. Casey Riggs, RBTOther Technician1275999716
  14. Michele Riggs, PSYDPsychologist1174615611
  15. Rheena RiggsBehavior Technician1578365367
  16. Christopher RileySpeech-Language Pathologist1275461253
  17. Nicholas Riley, EDS, BCBABehavior Analyst1790347656
  18. Orlyn RileyPeer Specialist1942762323
  19. Shannon RileyMarriage & Family Therapist1760253264
  20. A. Michael Rillera, RNMental Health Counselor1932367679
  21. Eva Rincon, BCBABehavior Analyst1912384132
  22. Bertha RiosBehavior Technician1760042998
  23. Christopher Rios, MSWMental Health Counselor1972882710
  24. Crystal Rios, ASW114226Clinical Social Worker1760170138
  25. Guadalupe RiosBehavior Technician1447067871
  26. Ignacio RiosClinical Social Worker1659227395
  27. Jessica RiosBehavior Technician1518799436
  28. Laura RiosMental Health Counselor1356739965
  29. Evelyn Rios-Massin, MSW, LCSWClinical Social Worker1487086799
  30. Nicolas Ripp, MDPediatrics Physician1740547744
  31. Steven Ris, D.P.M.Foot & Ankle Surgery Podiatrist1790803948
  32. Christina Riserbato, MA, CCRS, CCCSpeech-Language Pathologist1003757592
  33. Michael RiskinMental Health Counselor1316322936
  34. Christopher RitchieMental Health Counselor1417834961
  35. Nicole Rivadeneyra, BEHAVIOR ANALYSTBehavior Analyst1366049835
  36. Elmer RivasCounselor1225368343
  37. Alondra RiveraMental Health Counselor1508427246
  38. Anjelica RiveraBehavior Technician1710702709
  39. Carissa Rivera, BEHAVIOR TECHNICIANBehavior Technician1790423242
  40. Daniel Rivera, RNRegistered Nurse1760866321
  41. Day RiveraMental Health Counselor1578887501
  42. Edgar Rivera, LCSWClinical Social Worker1154500601
  43. Edward RiveraSocial Worker1023484557
  44. Elizabeth RiveraMental Health Counselor1790260040
  45. Elizabeth RiveraClinical Social Worker1346894706
  46. Francisco RiveraCounselor1902929599
  47. Jacquelyn Rivera, LCSW, PPSCClinical Social Worker1811028871
  48. Jaida RiveraBehavior Technician1578413126
  49. July Rivera, LVNLicensed Vocational Nurse1558074260
  50. Leslie Rivera, MS, RDRegistered Dietitian1790669208

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.