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 127 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. Kaitlyn Brittany PhamBehavior Technician1528826625
  2. Leann PhamPharmacist1891963062
  3. Lillian Pham, PHARMDPharmacist1063065878
  4. Mai Pham, DMDGeneral Practice Dentistry1245643154
  5. Matthew PhamBehavior Technician1336807015
  6. Misa Pham, PA-CPhysician Assistant1881429397
  7. Nancy Pham, SOCIAL WORKERSocial Worker1457074858
  8. Nhu Pham, FNPNurse Practitioner1912511718
  9. Philong Pham, DDSOrthodontics and Dentofacial Orthopedics Dentistry1386066629
  10. Quang PhamStudent in an Organized Health Care Education/Training Program1134810625
  11. Quynh Pham, MDPediatrics Physician1720615644
  12. Quynh-Anh Pham, PHARMDPharmacist1841645736
  13. Quynh-Anh PhamCase Management Registered Nurse1841169166
  14. Quynh-Chi PhamClinical Social Worker1982008314
  15. Sarah PhamPharmacist1659743060
  16. Sean PhamBehavior Technician1447125737
  17. Tan Pham, PHARMDPharmacist1184906307
  18. Thao Pham, DPTPediatric Physical Therapist1134426745
  19. Thao PhamPharmacist1689227134
  20. Thu PhamSocial Worker1972815264
  21. Tina PhamPharmacist1720527328
  22. Trung Pham, MDInternal Medicine Physician1194222422
  23. Tu PhamPhysical Therapist1073243499
  24. Vincent Pham, LCSWClinical Social Worker1295464899
  25. Anh PhanAcute Care Nurse Practitioner1003797770
  26. Cattuong Phan, BCBABehavior Analyst1679004352
  27. Cinna Phan, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1245783844
  28. Jennifer PhanPhysician Assistant1891386256
  29. Khanh Van PhanBehavior Technician1548132566
  30. Loann Phan, RNCommunity Health Registered Nurse1669548186
  31. Lyndon Phan, D.D.S.General Practice Dentistry1891852398
  32. Mary Phan, FNP-BCFamily Nurse Practitioner1588553994
  33. Sandy Phan, DOFamily Medicine Physician1366903429
  34. Thiet Phan, MHSMental Health Counselor1942477112
  35. Amber PhilbeckSocial Worker1972214740
  36. Alonzanique PhillipsBehavior Technician1679342802
  37. Barbara PhillipsBehavior Technician1770132292
  38. Geoffrey Phillips, M.D.Psychiatry Physician1396745501
  39. Jessie PhillipsBehavior Technician1689552333
  40. Nabil Phillips, M.D.Hematology & Oncology Physician1043276405
  41. Tracy PhillipsAddiction (Substance Use Disorder) Counselor1588397103
  42. Letu Pho, RPH.Pharmacist1336122423
  43. Jennifer PhungPhysician Assistant1578335683
  44. Phuong Uyen PhungDay Training/Habilitation Specialist1184409898
  45. Parra Phuong, DDSDentist1225649171
  46. William Piacitelli, APCCProfessional Counselor1477438539
  47. Giovanna Piazza, M.DIV,. BCCCounselor1811450042
  48. Amanda PicardBehavior Technician1376119479
  49. Blake Pickering, OTR/LPediatric Occupational Therapist1134163777
  50. Kenneth Pickering, PSY.D.Psychologist1144234287

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.