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 94 of 179.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

The 8 largest groups in Santa Ana

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. Tin Lang Ly, PHARMDPharmacist1316459324
  2. Tuan Ly, D.D.S.General Practice Dentistry1568678332
  3. Joey LyallMental Health Counselor1750916870
  4. Erin Lynch, M.S., MFTIMental Health Counselor1851307060
  5. Tim Lynch, MDInterventional Pain Medicine Physician1154355469
  6. Ebony LynkMental Health Counselor1306191945
  7. Whitney Lynott, RDRegistered Dietitian1033903760
  8. William Lyon, R.D.O. R.C.L.D.Contact Lens Fitter1548456585
  9. Isabella LyonsBehavior Technician1134099583
  10. Christina Ma, M.D.Diagnostic Radiology Physician1891052742
  11. Steven Ma, M.D.Orthopaedic Surgery Physician1720140494
  12. Maria Roseann Mabunga, LVNLicensed Vocational Nurse1801613849
  13. Lorena Macchi RamonMarriage & Family Therapist1437913563
  14. Stephanie MacedaBehavior Technician1982194742
  15. Adrianna MachadoBehavior Technician1083274211
  16. John MachadoSchool Social Worker1821544842
  17. Luciana Machado-DiazMental Health Counselor1972389237
  18. Jose Macias, LCSWSchool Social Worker1023581113
  19. Laura MaciasMental Health Counselor1720658925
  20. Matthew Macias, RADT-IAddiction (Substance Use Disorder) Counselor1497328959
  21. Noel MaciasCounselor1669878229
  22. Irma Macias De MorenoCommunity Health Worker1518702844
  23. Bernice MacielCounselor1871878884
  24. Marina MackSocial Worker1306515101
  25. Greg Macke, MS, BCBABehavior Analyst1477072841
  26. Kristine Mackey, PNPPediatric Nurse Practitioner1831233584
  27. Erin Mackin, DPTOrthopedic Physical Therapist1215469432
  28. David Maclachlan, MDInternal Medicine Physician1114430402
  29. Nikki MaclellanBehavior Analyst1750035218
  30. Chris MacwanLicensed Vocational Nurse1215556709
  31. Kathleen MadaloneBehavior Technician1699577031
  32. Karen MadambaHealth & Wellness Coach1598639841
  33. Olga MadarisClinical Social Worker1437614674
  34. Karmen Madatyan-Floriolli, M.A.Marriage & Family Therapist1609185529
  35. Tenay Maddox, DPTPhysical Therapist1104140490
  36. Mario MaderaCounselor1316381056
  37. Lee Madigan, PHDMarriage & Family Therapist1134204902
  38. Nicole Madonia, P.T., A.T.C.Physical Therapist1679757660
  39. Cristina Madory, MSWClinical Social Worker1962807727
  40. Almin Madriaga, DCChiropractor1891849766
  41. Steven Madrid, PSY. D. & MASTER ADDMarriage & Family Therapist1801104963
  42. Daniel MadrigalAddiction (Substance Use Disorder) Counselor1558557413
  43. Micaela MadrigalSocial Worker1659452928
  44. Michelle MadrigalCommunity Health Worker1992112296
  45. Richard MadrigalMarriage & Family Therapist1568892297
  46. Dianna Madrigal-MunozClinical Social Worker1497980593
  47. Cheryl Madu, PHARMD, MPHAmbulatory Care Pharmacist1356169833
  48. Julia Madzarevic, MPTPhysical Therapist1881871978
  49. Pete Magallanes, RRWAddiction (Substance Use Disorder) Counselor1225246267
  50. Anjelica Magallon, DADental Assistant1316834021

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.