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 172 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. Jennifer Watson, RNRegistered Nurse1912225772
  2. Jonathan Watson, MDAddiction Medicine (Family Medicine) Physician1992151765
  3. Semone WatsonBehavior Technician1881452043
  4. Susan Watson, MFTMental Health Counselor1356433692
  5. Nour WattarAddiction (Substance Use Disorder) Counselor1083323968
  6. Ann WattsMental Health Counselor1871450270
  7. Peter Wawro, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1487691051
  8. Nancy Way, M.D.Surgery Physician1811053044
  9. Devon Wayne, MPH, ATC, CHES, CWHCAthletic Trainer1821591538
  10. Jennifer Wayt, PTPediatric Physical Therapist1770539439
  11. Elecia WeathersbyCase Manager/Care Coordinator1265920698
  12. Kelly WeaverCase Manager/Care Coordinator1265610687
  13. Victoria WebbBehavior Analyst1629668611
  14. Sara Webster, PHARMDPharmacist1073051165
  15. Sarah WebsterAddiction (Substance Use Disorder) Counselor1841140951
  16. Trinity WebsterStudent in an Organized Health Care Education/Training Program1205639424
  17. Christina Weckerly-RamirezCounselor1811085582
  18. Henry Wee, MDAnesthesiology Physician1376561860
  19. Sashini Weeraman, MDInternal Medicine Physician1376123711
  20. Yijie WeiStudent in an Organized Health Care Education/Training Program1770259525
  21. Cory WeilAddiction (Substance Use Disorder) Counselor1477226363
  22. Nicole WeilMarriage & Family Therapist1689202103
  23. Annika WeinbergRehabilitation Practitioner1841132370
  24. Allyson Weinhold, ACSWSocial Worker1386494664
  25. Stephen Weiss, M.D.Orthopaedic Surgery Physician1326265307
  26. Samantha WekallPhysician Assistant1205614419
  27. Daniel WelchClinical Social Worker1831565639
  28. Terry Wellbaum, OTRPediatric Occupational Therapist1235178401
  29. Kelly Welles, MDPsychiatry Physician1528263100
  30. Vincent Welter, M.D.Obstetrics & Gynecology Physician1366719106
  31. Emily WeltyBehavior Technician1962221317
  32. Michelle Welty, LVNMental Health Counselor1801166004
  33. Ernestine Wen, M.DObstetrics & Gynecology Physician1275738049
  34. Peiti WenBehavior Technician1134078876
  35. Zhuang Wen, DDSDentist1801819065
  36. Albert Wendel, ACSW 114354Social Worker1639869001
  37. Patricia WenkartSpeech-Language Pathologist1689505034
  38. Sawitri Werasophon, M.D.General Practice Physician1447361209
  39. Somchai Werasophon, M.D.Obstetrics & Gynecology Physician1093881849
  40. Trungta Werner, BEHAVIOR ANALYSTBehavior Analyst1487109120
  41. Brooke WesnerPeer Specialist1679433015
  42. Aaron WestMental Health Counselor1447504691
  43. Jazmine WestPeer Specialist1295682383
  44. Karen West, MS, LMFTMarriage & Family Therapist1891974390
  45. M Charmaine West, FNPFamily Nurse Practitioner1912099508
  46. Michelle WestRegistered Nurse1366820375
  47. Maan WestbergMental Health Counselor1619739752
  48. Nancy Westbrook-May, P.A.Physician Assistant1700828621
  49. Durlene Westfall, SUDCCAddiction (Substance Use Disorder) Counselor1659941482
  50. Laura Wetle, LMFTMarriage & Family Therapist1902326705

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.