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 147 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. Jeffrey Scott, O.D.Optometrist1568813434
  2. Jennifer Scott, LCSWClinical Social Worker1689922635
  3. John Scott, CADC-CASAddiction (Substance Use Disorder) Counselor1619458171
  4. Laronn Scott, RADTAddiction (Substance Use Disorder) Counselor1467277756
  5. Maria ScottRegistered Nurse1790421840
  6. Michael ScottHealth Service Psychologist1225696792
  7. Rocio ScottMarriage & Family Therapist1598044638
  8. Amber Scott LavoieCase Manager/Care Coordinator1972454346
  9. Emily ScribnerBehavior Technician1184106593
  10. Sofia Scurto, RBTBehavior Technician1730642679
  11. Nikole Seals, ACSWClinical Social Worker1265702245
  12. Matthew SeastromMental Health Counselor1245017953
  13. Stephanie Sebach, LMFTMental Health Counselor1861404766
  14. Kelsey Sebastian, RBTOther Technician1770940488
  15. Myrna SebestaCommunity Health Worker1316366198
  16. Debora Sedaghat, DOObstetrics & Gynecology Physician1578619243
  17. Sonia Sedano, FNP-CFamily Nurse Practitioner1003328709
  18. Zubin Sedghi, D.O.Student in an Organized Health Care Education/Training Program1255795191
  19. Deborah Seeley, RNCommunity Health Registered Nurse1013198589
  20. Mark Seflin, M.A.Marriage & Family Therapist1699805853
  21. Donna Segeberg, RNChild & Adolescent Psychiatric/Mental Health Registered Nurse1730268707
  22. Nancy SegoviaCase Manager/Care Coordinator1922559319
  23. Alejandra Segovia Gallaga, BEHAVIOR TECHNICIANBehavior Technician1497480339
  24. Janely SegovianoBehavior Technician1548099591
  25. Leslie SeguraMarriage & Family Therapist1669023917
  26. Janice Seib, UNDER PROFESSIONAL NMarriage & Family Therapist1588994073
  27. Patrick Sein, DCChiropractor1841401429
  28. Cheryl SeitterCounselor1740376748
  29. Chantal Sejourne-Daitch, M.D.Child & Adolescent Psychiatry Physician1992894422
  30. Kimberly Self, CADC-1Addiction (Substance Use Disorder) Counselor1487123873
  31. Pamela SellersMental Health Counselor1457441156
  32. Arthur Selvan, M.D.Cardiovascular Disease Physician1972507697
  33. David SemanClinical Social Worker1669653614
  34. Samuel SemandaMarriage & Family Therapist1932888989
  35. Elika Semnanian, PHARMDPharmacist1104531854
  36. Karen Senteno, NPWomen's Health Nurse Practitioner1225124258
  37. Susan Senteno, RNAdult Psychiatric/Mental Health Registered Nurse1265104350
  38. Karen SenterfittRehabilitation Practitioner1720530371
  39. Adrianna Sepeda, LCSWClinical Social Worker1306402490
  40. Alma SepulvedaCounselor1649393315
  41. Annabelle SepulvedaBehavior Technician1679156335
  42. Jessica Sepulveda, RNRegistered Nurse1700443660
  43. Rita Sequeira, PH.DClinical Psychologist1538258827
  44. Jean Serafin, RN, BSN, PHNCommunity Health Registered Nurse1063693471
  45. Arnold SerigstadCounselor1700175726
  46. Davina SernaBehavior Technician1811579428
  47. Joseph Serna, M.D.General Practice Physician1174612279
  48. Maria SernaCase Manager/Care Coordinator1164054722
  49. Paulina SernaMental Health Counselor1710443866
  50. Cirilo SerranoBehavior Technician1235777574

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.