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 88 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. Michelle Leslie, PTAPhysical Therapy Assistant1114034063
  2. Kash LessaniHearing Instrument Specialist1700359593
  3. Jennifer LesserPsychiatric/Mental Health Registered Nurse1629532874
  4. Richard Lettieri, PH.D.Clinical Psychologist1881780716
  5. Amy Leu, D.O.Family Medicine Physician1922297712
  6. Cheryl Leung, MDFamily Medicine Physician1841514403
  7. Kasie Leung, RN,PHNRegistered Nurse1477734028
  8. Lauren LeungBehavior Analyst1497519466
  9. Sergio LeungBehavior Technician1013796168
  10. Arthur Leupold, M.D.Orthopaedic Surgery Physician1538274063
  11. Sergio Levenzon, MDObstetrics & Gynecology Physician1982642377
  12. Matteo Leveroni-Calvi, MDFamily Medicine Physician1427497262
  13. Joannis Levi, FNPFamily Nurse Practitioner1114475183
  14. Lynette Leviste, BSNCommunity Health Registered Nurse1699849455
  15. Linda Levshin, MFTMarriage & Family Therapist1407135197
  16. Alyssa LewDay Training/Habilitation Specialist1629857107
  17. Bruce Lewinter, DCSports Physician Chiropractor1760584718
  18. Christine Lewis, LMFTMarriage & Family Therapist1902047905
  19. Danielle Lewis, BCBABehavior Analyst1831557297
  20. Gabrielle LewisPsychiatric/Mental Health Nurse Practitioner1295355154
  21. Molly LewisMarriage & Family Therapist1609702646
  22. Naijwa LewisMental Health Counselor1962972448
  23. Wendy Lewis, PA-CPhysician Assistant1164023347
  24. Yolanda Lewis, SUDCC IIAddiction (Substance Use Disorder) Counselor1336601186
  25. Zan Lewis, M.D.Orthopaedic Surgery Physician1275502478
  26. Kelly Lewis-Rauch, PRE-PSYD INTERNMental Health Counselor1659668879
  27. Ingrid LeytonDay Training/Habilitation Specialist1740659176
  28. Ricardo LeyvaMental Health Counselor1952454126
  29. Ruby LeyvaStudent in an Organized Health Care Education/Training Program1104755487
  30. Sandra LeyvaCommunity Health Worker1649059577
  31. Irene Leyva HernandezBehavior Technician1326402314
  32. Stephanie LezamaSocial Worker1639638083
  33. Haofei LiStudent in an Organized Health Care Education/Training Program1730901885
  34. Lanshen Li, AMFTMarriage & Family Therapist1619676723
  35. Mengjie LiFamily Medicine Physician1518321454
  36. Xinnuo LiMarriage & Family Therapist1932467750
  37. Chunwen LiangBehavior Technician1265035539
  38. Joanne Liang, MDPediatrics Physician1962961284
  39. Kimberly LiaoMarriage & Family Therapist1144163296
  40. Kimberly LiceaBehavior Technician1669235438
  41. Timothy LichteRehabilitation Practitioner1407538341
  42. Richard Licon, PA-CPhysician Assistant1740428101
  43. Jean Liebhard, LMFTMarriage & Family Therapist1437270196
  44. Monica Lieu, PAPsychiatric/Mental Health Clinical Nurse Specialist1184225377
  45. Jennifer Lightner-FarrellStudent in an Organized Health Care Education/Training Program1073166146
  46. Katrina LigonBehavior Technician1700495843
  47. Silvia LillyPeer Specialist1952284606
  48. Brandon LimPeer Specialist1083341150
  49. Hyojin LimPeer Specialist1104286202
  50. Jamie Lim, LCSWClinical Social Worker1326919119

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.