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 173 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. Lewis Wetzel, LCSWClinical Social Worker1164523346
  2. James Weyrich, O.D.Optometrist1285770560
  3. Briana Wheat, LCSWClinical Social Worker1235258500
  4. Courtney Wheeler, PA-CPhysician Assistant1255698379
  5. Samantha WheelerBehavior Technician1134946189
  6. Veronica Whelan, MDFamily Medicine Physician1881695567
  7. Robert WhetselPeer Specialist1811534597
  8. Charlette WhiteMarriage & Family Therapist1104048370
  9. Crissly WhiteBehavior Technician1417517624
  10. Danielle WhiteBehavior Technician1356126163
  11. Diamond WhiteBehavior Technician1912516055
  12. Ian WhiteDay Training/Habilitation Specialist1730844176
  13. Kayla White, MDOphthalmology Physician1770167413
  14. Kyle White, RNRegistered Nurse1396459657
  15. Ryan WhitePhysician Assistant1659855542
  16. Samantha White, PTAPhysical Therapy Assistant1770078404
  17. Allison WhitecavageMental Health Counselor1437593662
  18. Lynda WhitecrossDevelopmental Therapist1285398057
  19. Angela WhitetreeRegistered Nurse1356971303
  20. Jozelle Whitmire, LCSWClinical Social Worker1851007843
  21. Lorri Whitney, D.C.Chiropractor1023340841
  22. Kristin WhitsonSpeech-Language Pathologist1790622900
  23. Lisa Whitten, PTPhysical Therapist1407831639
  24. John Whittington, LMFTMarriage & Family Therapist1750727301
  25. George WhortonStudent in an Organized Health Care Education/Training Program1538862180
  26. Mateo WidolffBehavior Technician1063399442
  27. Vanessa WiebachMarriage & Family Therapist1548190671
  28. Martin Wieler, M.D.Diagnostic Radiology Physician1689610552
  29. Koa WierPsychiatric/Mental Health Nurse Practitioner1740848670
  30. Amanda WigintonMental Health Counselor1801102348
  31. Brian Wikoff, D.C.Chiropractor1801811930
  32. Scott Wilchek, D.O.General Practice Physician1053525816
  33. Ceterra WilcoxBehavior Technician1669354981
  34. Jonathan WilcoxBehavior Technician1891560835
  35. Samantha Wilde, CMTMassage Therapist1659116101
  36. Stacey Wiles, MD, MPHPediatrics Physician1831305242
  37. Kelechi WilfredBehavior Technician1225910540
  38. Sarah WilkeyMarriage & Family Therapist1508380700
  39. David WilksCase Manager/Care Coordinator1275878878
  40. Mackenzie WillardBehavior Technician1477061877
  41. Monica WilliamGeneral Practice Dentistry1497438949
  42. Andrea WilliamsBehavior Technician1881226546
  43. Anthony WilliamsMental Health Counselor1689868846
  44. Brandon WilliamsBehavior Technician1235026998
  45. Brett WilliamsCase Manager/Care Coordinator1477723856
  46. Calvin Williams, LCSWAddiction (Substance Use Disorder) Counselor1063228203
  47. Charisse WilliamsAddiction (Substance Use Disorder) Counselor1851655013
  48. Chloe Williams, OTR/LOccupational Therapist1144638297
  49. Desiree WilliamsAddiction (Substance Use Disorder) Counselor1457853004
  50. Earl Williams, LCSW, MFTMental Health Counselor1881619146

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.