NPPES file of Aug 9, 2026

Doctors and health care providers in San Marcos, CA

1,985 individual NPPES records list a practice address in San Marcos, 113th of 812 California cities. The largest group is behavior technician: 553, 28% of the city's records, against 18% across California. Page 6 of 40.

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).

San Marcos in California

  • Rank in California113th of 812 cities by records
  • Share of the state0.2% of California's records
  • Specialties present25 or more taxonomy codes
  • Top three groups37.8% of all records

Compared with California as a whole, San Marcos has 4.9× the state's share of school counselor records and 0.49× its share of case manager/care coordinator records.

Providers in San Marcos, alphabetically

  1. Leonel CamiroBehavior Technician1841974797
  2. Adrienna CamposBehavior Technician1699509208
  3. Denise CampuzanoBehavior Technician1407713381
  4. Jordyn CandlishBehavior Analyst1720679541
  5. Alyssa Cantal-Czegledy, OTD, OTR/L, BCPPediatric Occupational Therapist1831645571
  6. Victor CardenasBehavior Technician1497210298
  7. Jessica Cardinale, RNBehavior Technician1457840647
  8. Stephanie Carlson-HernandezBehavior Technician1831916626
  9. Kassi Carr, CASAddiction (Substance Use Disorder) Counselor1144427360
  10. Naiesha CarrBehavior Technician1700590593
  11. Barbara Carra, DACM, L.AC.Acupuncturist1588173629
  12. Rebeca CarranzaAddiction (Substance Use Disorder) Counselor1154807931
  13. Libertad Carrasco RodriguezBehavior Technician1386507176
  14. Richard Carreon, MDSports Medicine (Family Medicine) Physician1730440793
  15. Wendy Carrera LaurelBehavior Technician1336875434
  16. Jozette CarricoBehavior Technician1861222887
  17. Rubee CarrilloBehavior Technician1043924822
  18. Janet Carrillo-Camacho, RN, PHNCommunity Health/Public Health Clinical Nurse Specialist1942928163
  19. John Carrion, P.T.Orthopedic Physical Therapist1912102542
  20. Joseph Carroll, FNPFamily Nurse Practitioner1598041261
  21. Maya Carroll, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1699315473
  22. Lexxus CarterDoula1093413304
  23. Diana Casillas, AUD.Audiologist1548922388
  24. Summer Casson, PHARM DPharmacist1285355958
  25. Mariela Castellano-ArredondoSchool Counselor1306705223
  26. Kenya Castellanos, LM, CPMMidwife1881468072
  27. Jennifer Castillo, RNGeneral Practice Registered Nurse1912568502
  28. Renae CastilloBehavior Technician1568209013
  29. Aylin Castillo MacedoBehavior Technician1548191992
  30. Marquessa CastorenaCase Manager/Care Coordinator1851907612
  31. Dominic CastroBehavior Technician1164107637
  32. Rolando Castro, PTPhysical Therapist1891557138
  33. Michele Cataline-Becker, R.N.Case Management Registered Nurse1679635619
  34. Sharyl Cavellier, LMFTMarriage & Family Therapist1588488399
  35. Yvonne CaycedoLactation Consultant (Non-RN)1306541271
  36. Bernice CazarezBehavior Technician1053166918
  37. Jazmin CedilloClinical Social Worker1588219349
  38. Patricia CelestePhysical Therapy Assistant1518468222
  39. Mary Cen, L.AC. LICENSED ACUPUAcupuncturist1710286547
  40. Ethelaine Centeno, OTROccupational Therapist1740636232
  41. Christina CesareBehavior Technician1487140661
  42. Reny Chacko, DDSGeneral Practice Dentistry1013069996
  43. Stephanie ChaconBehavior Technician1407780273
  44. Juan Chacon VargasBehavior Technician1568206316
  45. Sarvenaz Chaichian, DMDDentist1346138104
  46. Carolyn Chan, DPTPhysical Therapist1023616901
  47. Janice Ying-Tung ChanBehavior Technician1912862822
  48. Jeanie ChanBehavior Technician1558126912
  49. Risha ChandiokBehavior Technician1558122762
  50. Shreya Chandra, MDInternal Medicine Physician1972519825

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

San Marcos, California appears in the CMS National Plan and Provider Enumeration System with 1,985 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 San Marcos - 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 San Marcos 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 San Marcos is weighted toward Behavior Technician (553 clinicians, followed by Marriage & Family Therapist with 101 and Pharmacist with 96). 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, San Marcos reports roughly 5.1 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, Student in an Organized Health Care Education/Training Program is the most prominent one with no provider currently listing a San Marcos practice address, a coverage gap San Marcos patients typically fill by traveling to a larger nearby hub.

For San Marcos 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 San Marcos, CA?

There are 1,985 registered healthcare providers in San Marcos, CA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in San Marcos?

The most common specialties in San Marcos are Behavior Technician, Marriage & Family Therapist, Pharmacist, Physical Therapist, Addiction (Substance Use Disorder) Counselor. Behavior Technician has the most providers with 553.

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.