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 89 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. Kayla LimMarriage & Family Therapist1801378708
  2. Se LimOptometrist1710301270
  3. Jennifer Lim-Quevedo, N.PAdult Health Nurse Practitioner1588210504
  4. Karla LimaCommunity Health Worker1689461790
  5. Ricardo Limon, PAMedical Physician Assistant1588911598
  6. Pattra Limpanukorn, FNPFamily Nurse Practitioner1164856571
  7. Alexander Lin, M.D.Diagnostic Radiology Physician1952314601
  8. Amy LinPharmacist1316507213
  9. Barnaby Lin, PSYDClinical Psychologist1316632300
  10. Candice Lin, MAMarriage & Family Therapist1760268379
  11. Huey Lin, MDUrology Physician1093760035
  12. Isabelle LinSpeech-Language Pathologist1740009711
  13. Linda Lin, M.D.Family Medicine Physician1194165605
  14. Manyan LinBehavior Technician1134905714
  15. Nancy LinClinical Social Worker1295924413
  16. Nicholas LinBehavior Technician1427943406
  17. Peter Lin, MDFamily Medicine Physician1306424957
  18. Renee Lin, DOFamily Medicine Physician1366761447
  19. Theresa Lin, DDSGeneral Practice Dentistry1588748750
  20. Connie Lin Yao, M.D.Pediatrics Physician1235227042
  21. Nichola Linamen, RN, FNP-CFamily Nurse Practitioner1265916944
  22. Andy LinaresDay Training/Habilitation Specialist1447184171
  23. Pauline Linares, HISHearing Instrument Specialist1346015005
  24. Samantha LinaresBehavior Technician1528981180
  25. Maria Linares-Gomez, MFTMarriage & Family Therapist1659885275
  26. Raven Lindo, LMFTMarriage & Family Therapist1811404460
  27. Karen Lindquist, OTR/LPediatric Occupational Therapist1144481698
  28. Heidi Lindros RansomMental Health Counselor1255662110
  29. Isaiah LindsayBehavior Technician1205724424
  30. Morgan LindsayMarriage & Family Therapist1437885696
  31. Amy Lingenfelter, LCSWClinical Social Worker1417380262
  32. Gary Linnemann, M.D.Preventive Medicine/Occupational Environmental Medicine Physician1124345848
  33. Melanie Lisnock, BTOther Technician1952760845
  34. Olivia LittlePharmacist1902606247
  35. Monica Littlejohn, PHARM.D.Pharmacist1659746659
  36. Jill LitvakAddiction (Substance Use Disorder) Counselor1821721341
  37. Alison Liu, DDSDentist1669628327
  38. Kasady LiuBehavior Technician1043845001
  39. Mei Liu, O.D.Optometrist1427456227
  40. Samantha LiuBehavior Analyst1801784400
  41. Sophie Liu, L.ACAcupuncturist1578402954
  42. Winston Liu, BCBA, RBTBehavior Analyst1972146207
  43. Yin-Ming Liu, M.D.Family Medicine Physician1346327541
  44. Yinhan Liu, DOStudent in an Organized Health Care Education/Training Program1578315917
  45. Yuchen LiuAnesthesiology Physician1710366059
  46. Ko Geng LiuoPsychiatric/Mental Health Nurse Practitioner1841683406
  47. Brittany LivezeySocial Worker1831511682
  48. Josefina Lizandro, ABATBehavior Technician1114583242
  49. Kaylah LizarragaClinical Social Worker1417688573
  50. Lucia LizarragaPeer Specialist1689482515

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.