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 87 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. Loretta Lee, M.D.Occupational Medicine Physician1922365527
  2. Penny Lee, SUDCC IIAddiction (Substance Use Disorder) Counselor1104056902
  3. Rachael Lee, M.S., CCC-SLPSpeech-Language Pathologist1790569259
  4. Rachel Lee, PT, DPTPhysical Therapist1154048676
  5. Raymond Lee, M.D.Facial Plastic Surgery Physician1609905173
  6. Ryley Lee, MDStudent in an Organized Health Care Education/Training Program1447000666
  7. Sainey LeeBehavior Technician1982121901
  8. Serena LeeMarriage & Family Therapist1942067293
  9. Sharon Lee, M.D.Radiation Oncology Physician1215105432
  10. Steve Lee, M.D.Anesthesiology Physician1417156498
  11. Thomas Lee, MDAnesthesiology Physician1770569188
  12. Tina LeeCase Manager/Care Coordinator1235382862
  13. Verlicia Lee, PA-CPhysician Assistant1497212252
  14. Victoria LeeBehavior Technician1982362695
  15. Yeon Lee, RNRegistered Nurse1275167249
  16. Yongjae LeeAcupuncturist1184965345
  17. Youn Lee, PH.D.Marriage & Family Therapist1184790172
  18. Yuni LeeMental Health Counselor1265083927
  19. Cheann Legaspi, NPPsychiatric/Mental Health Nurse Practitioner1720660848
  20. Kent Lehman, M.D.Family Medicine Physician1346253812
  21. Michelle LehmenkulerRehabilitation Practitioner1174451785
  22. Brigham LeishmanStudent in an Organized Health Care Education/Training Program1699138107
  23. Laura LejeuneBehavior Technician1568264992
  24. Christian LemaBehavior Technician1760255590
  25. Mary LemasterRehabilitation Practitioner1871287425
  26. Julie Lemus, BADay Training/Habilitation Specialist1962155952
  27. Nancy LemusMental Health Counselor1295858959
  28. Debbie Lenhart, LMFTMarriage & Family Therapist1124429998
  29. Linda LennCommunity Health Worker1992365175
  30. Deborah Lent, RNAdministrator Registered Nurse1578721122
  31. Nancy Lentzner, LCSW, BCDClinical Social Worker1558660399
  32. Dalia Leon, RNCommunity Health Registered Nurse1598400236
  33. Elvira LeonSocial Worker1124246269
  34. Giovanni LeonMental Health Counselor1972236883
  35. Harol LeonBehavior Technician1912665456
  36. Karla LeonCommunity Health Worker1548872922
  37. Paola LeonMarriage & Family Therapist1356800114
  38. Paul Leon, RNRegistered Nurse1912188210
  39. Samuel Leon AlonzoCommunity Health Worker1184184830
  40. Yuliana Leon OrtizRehabilitation Practitioner1104547314
  41. Mark LeonardBehavior Analyst1669803086
  42. Alyssa LeonesRegistered Nurse1003555806
  43. Stephanie LeonesioSocial Worker1013638121
  44. Jeffrey LeongPsychiatry Physician1194258707
  45. Esmeralda LeonidezBehavior Technician1801591904
  46. Caroline LeosCommunity Health Worker1790601102
  47. Patricia Lepe, PTPhysical Therapist1750667275
  48. Ronald Lerch, DCChiropractor1871348102
  49. Celia LerumStudent in an Organized Health Care Education/Training Program1376324475
  50. Laura Leske, NP-CPrimary Care Nurse Practitioner1427549583

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.