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 31 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. Toni Risley, PTPhysical Therapist1104801281
  2. Matthew RitchieIndependent Duty Corpsman1386197291
  3. Kelly Rivadeneyra, MSW, LCSWClinical Social Worker1790242469
  4. Aitana RiveraAthletic Trainer1093458150
  5. Angelina RiveraBehavior Technician1356154017
  6. Midori Rivera, M.D.Family Medicine Physician1821243478
  7. Alison RobersonChiropractor1538564992
  8. Rachel Roberson, RBTBehavior Technician1205337870
  9. Cassandra Roberts, RRTRegistered Respiratory Therapist1154809978
  10. Leslie RobertsBehavior Analyst1689216541
  11. Wendy RobertsMental Health Counselor1306371091
  12. Jessica Robinson, MFTMarriage & Family Therapist1154598597
  13. Kara RobinsonMarriage & Family Therapist1689121626
  14. Marcus Robinson, DPTPhysical Therapist1417367475
  15. Jessica RoblesCase Manager/Care Coordinator1336735224
  16. Claudia Rocha, MDFamily Medicine Physician1134638729
  17. Beverly Rochelle, P.T.Physical Therapist1598786501
  18. Ceasar Rodarte, CAODC-CSAddiction (Substance Use Disorder) Counselor1295189603
  19. Dario RodriguezAddiction (Substance Use Disorder) Counselor1366930711
  20. Jazmin RodriguezBehavior Technician1578298592
  21. Judith RodriguezCase Manager/Care Coordinator1851861652
  22. Kyandrah RodriguezBehavior Technician1508749136
  23. Perla RodriguezBehavior Technician1548074370
  24. Sinai RodriguezBehavior Technician1285342113
  25. Yajaira RodriguezMarriage & Family Therapist1215809116
  26. Davis Rodriguez Melendez, LCSWClinical Social Worker1750724100
  27. Stephanie Roe, FNP - BCFamily Nurse Practitioner1790250280
  28. Leslie RogozinskiRegistered Dietitian1326313362
  29. Renan Rojas, M.D.Addiction Medicine (Family Medicine) Physician1730404344
  30. Ronald RojasBehavior Analyst1093364663
  31. Anakarina Rojas-Deangelis, D.D.S.Dentist1528357688
  32. Kimberly Rollheiser-Revilla, D.C.Chiropractor1164446266
  33. Angela RolonBehavior Technician1104607241
  34. Kayla RomanBehavior Technician1417671991
  35. Nestor RomanAttendant Care Provider1477244663
  36. Cherokee Romanio-FoxBehavior Technician1295416279
  37. Ashley RomeroBehavior Technician1750856159
  38. Carol Romero, RN,NPObstetrics & Gynecology Nurse Practitioner1619194586
  39. Diana RomeroBehavior Technician1285481077
  40. Tania Romero GutierrezBehavior Technician1750174041
  41. Richard Romney, D.D.S.General Practice Dentistry1699758219
  42. Elizabeth RoperAddiction (Substance Use Disorder) Counselor1609135730
  43. Desiree RosaleeBehavior Technician1316768567
  44. Crystal Rosales AguilarBehavior Analyst1942709621
  45. Daisy Rosales AguilarBehavior Technician1932843299
  46. Cristina RoseBehavior Technician1063197531
  47. Tingting Rose, DACMAcupuncturist1760235493
  48. Gina Rosenfeld, MDPediatrics Physician1235135286
  49. Morgan Ross, DDSGeneral Practice Dentistry1659044675
  50. Benjamin RothAddiction (Substance Use Disorder) Counselor1104174788

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.