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 146 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. Londy SayMental Health Counselor1497969406
  2. Alyanna SayamanMental Health Counselor1164152252
  3. Joanna Sayaseng, BIBehavior Analyst1821809856
  4. Stephanie Sayes, OTR/LOccupational Therapist1407791619
  5. Latoya SaylorBehavior Technician1902370083
  6. Lillian ScanlonStudent in an Organized Health Care Education/Training Program1568166379
  7. Shauna Scarano, LPCProfessional Counselor1992211551
  8. Deana Scarberry, RNAdult Psychiatric/Mental Health Registered Nurse1023672110
  9. Han Suk Schafer, RASIAddiction (Substance Use Disorder) Counselor1962761338
  10. Zachary Scheerer, NONEBehavior Technician1225613292
  11. Lisa Schenitzki, PSYDClinical Psychologist1093956419
  12. Janet Schenker, M.ED, RDRegistered Dietitian1306127568
  13. Penelope Schibsted, MFTMarriage & Family Therapist1255638482
  14. Bonita Schiebe, PHD, MFTMarriage & Family Therapist1366515868
  15. Barry Schleider, DCChiropractor1770653776
  16. Frances SchlesingerBehavior Technician1154004398
  17. Mark SchlewittBehavior Technician1275008971
  18. Eric Schlothan, LCSWClinical Social Worker1700395761
  19. Jennifer Schmidt, MFTMarriage & Family Therapist1730237033
  20. Marilyn Schmidt, RPTPhysical Therapist1235182486
  21. Merrill Schmidt, DDSEndodontics1386848141
  22. Jessica SchmitzBehavior Technician1689257339
  23. Cynthia Schmude, LCSWClinical Social Worker1366530081
  24. Alexandra SchnackCounselor1023361185
  25. Ted SchneiderCase Manager/Care Coordinator1003094400
  26. Lennette Schnur-Rubel, RN, PHNRegistered Nurse1619116514
  27. Brian Schoenborn, BCBABehavior Analyst1548732035
  28. Natalia SchofieldBehavior Technician1588400667
  29. Crystal SchonviesnerAddiction (Substance Use Disorder) Counselor1023826542
  30. Lisa Schooler, LCSWClinical Social Worker1083882427
  31. David SchornackMental Health Counselor1043671928
  32. Andrew Schreiber, MDNeurological Surgery Physician1679662852
  33. Craig SchroederAddiction (Substance Use Disorder) Counselor1568646552
  34. Jennifer Schroeder, MFT INTERNMental Health Counselor1376775692
  35. Shelley SchroederAddiction (Substance Use Disorder) Counselor1629746268
  36. Marissa Schubert, D.P.T.Physical Therapist1841564549
  37. David SchummAddiction (Substance Use Disorder) Counselor1043017668
  38. Dannielle Schureman, M.A.Marriage & Family Therapist1063866127
  39. David SchwabenbauerCommunity Health Worker1952109167
  40. Rio Schwalbach, RBTOther Technician1811355365
  41. Alan Schwartz, MDInternal Medicine Physician1023183480
  42. Beth Schwartz, MSN, RN, PHNRegistered Nurse1568098895
  43. Justin SchwartzPhysical Therapy Assistant1841009602
  44. Melvin Schwartz, M.D.Psychiatry Physician1689771321
  45. Mina SchwartzPhysical Therapist1831310051
  46. Neal Schwartz, D.O.Adult Medicine Physician1164592127
  47. Carrie Sciametta, LMFTMarriage & Family Therapist1003401928
  48. Dionna ScottSocial Worker1487217386
  49. Jamal ScottSocial Worker1023866852
  50. Jasper ScottBehavior Technician1124897418

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.