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 91 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. Esperanza LopezBehavior Technician1699555284
  2. Helen LopezSpeech-Language Assistant1790242865
  3. Hugo LopezCounselor1386730182
  4. Isis LopezBehavior Technician1720637929
  5. Itzel LopezBehavior Technician1306648548
  6. Jan Michael LopezRegistered Nurse1508461294
  7. Jasmine LopezStudent in an Organized Health Care Education/Training Program1063171155
  8. Jenny LopezCase Manager/Care Coordinator1447431408
  9. Jessica LopezMental Health Counselor1518448398
  10. Jessica LopezRegistered Nurse1700625779
  11. Jesus LopezLicensed Vocational Nurse1801216700
  12. Jorge Lopez, M.D.Family Medicine Physician1881705556
  13. Jose Lopez, LVNLicensed Vocational Nurse1598196362
  14. Jovanna LopezBehavior Technician1548033376
  15. Juan Lopez, B.A.Mental Health Counselor1346538220
  16. Juan LopezRehabilitation Practitioner1285450031
  17. Juanita Lopez, RDRegistered Dietitian1316091564
  18. Julie LopezCommunity Health Worker1568158640
  19. Kelly LopezBehavior Analyst1851961379
  20. Kelly Lopez, MA, AMFTMarriage & Family Therapist1184359259
  21. Leslie Lopez, NONEBehavior Technician1588336861
  22. Lillian LopezBehavior Technician1356009484
  23. Maria Lopez, RNCommunity Health Registered Nurse1497407381
  24. Maria LopezCommunity Health Worker1275312167
  25. Mariana LopezStudent in an Organized Health Care Education/Training Program1538685219
  26. Marlen LopezBehavior Technician1144895723
  27. Marlene LopezBehavior Technician1356046452
  28. Marta Lopez, MFTIMental Health Counselor1710198346
  29. Mayra LopezClinical Social Worker1558145557
  30. Melissa LopezAddiction (Substance Use Disorder) Counselor1477160976
  31. Melissa LopezBehavior Technician1871391516
  32. Mercedes LopezBehavior Technician1942185525
  33. Michelle LopezAddiction (Substance Use Disorder) Counselor1871674671
  34. Michelle Lopez, PHARMDPharmacist1962068429
  35. Michelle LopezBehavior Technician1013644350
  36. Nadia LopezBehavior Analyst1740083203
  37. Nancy LopezMarriage & Family Therapist1447184064
  38. Ned LopezMental Health Counselor1033548573
  39. Ralph LopezCase Manager/Care Coordinator1912365388
  40. Reylena Lopez, LCSWClinical Social Worker1548629926
  41. Samantha Lopez, BEHAVIOR TECHNICIANBehavior Technician1316672256
  42. Sarah Lopez, RN, PHNRegistered Nurse1871129163
  43. Sarah Lopez, COTAOccupational Therapy Assistant1942169859
  44. Silvia Lopez, BTOther Technician1972960615
  45. Staci Lopez, LMFTMarriage & Family Therapist1770917452
  46. Stephanie LopezSocial Worker1942035886
  47. Tirsa LopezAddiction (Substance Use Disorder) Counselor1457836611
  48. Victoria LopezBehavior Technician1629848643
  49. Vincent LopezCommunity Health Worker1194509067
  50. Vivian LopezCommunity Health Worker1225477920

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.