NPPES file of Aug 9, 2026

Doctors and health care providers in Rancho Santa Margarita, CA

479 individual NPPES records list a practice address in Rancho Santa Margarita, 288th of 812 California cities. The largest group is physical therapist: 57, 12% of the city's records, against 2% across California.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

The 8 largest groups in Rancho Santa Margarita

Source: CMS NPPES primary taxonomy, file of Aug 9, 2026.

Rancho Santa Margarita in California

  • Rank in California288th of 812 cities by records
  • Share of the state<0.1% of California's records
  • Specialties present25 or more taxonomy codes
  • Top three groups25.1% of all records

Compared with California as a whole, Rancho Santa Margarita has 5.1× the state's share of physical therapist records and 0.67× its share of clinical social worker records.

Providers in Rancho Santa Margarita, alphabetically

  1. Kathryn Abbene, M.A. CCC-SLPSpeech-Language Pathologist1215492897
  2. Ereinee AbdelmalekOrthopedic Physical Therapist1467515825
  3. Rachel Acorn, M.S., CCC-SLPSpeech-Language Pathologist1326928557
  4. Alison Adams, OTR/LPediatric Occupational Therapist1174996904
  5. Mark Adlard, M.D.Family Medicine Physician1346265766
  6. Shahriar Agahi, DMDPeriodontics1609226497
  7. Ahmad Aghakhan-Moheb, D.D.S.General Practice Dentistry1982937850
  8. Kimberly Aguilar, DNP FNP-C, RNFamily Nurse Practitioner1104539295
  9. John Aguilera, D.D.SGeneral Practice Dentistry1518067792
  10. Ryan Ah San, PA-CMedical Physician Assistant1013181346
  11. Katherine AlfieriPhysician Assistant1790525640
  12. Heather Allen, OTR/LPediatric Occupational Therapist1720184039
  13. Sarah Jane AlvideraPharmacist1760115844
  14. Kathleen Andersen, O.D.Optometrist1881747962
  15. Barbara Andres, DCChiropractor1023135001
  16. Tara Anguiano, D.C.Chiropractor1356882492
  17. Aaron AnnPharmacist1174120059
  18. Marjan Arman, DDSDentist1801455340
  19. David Armstrong, D.C.Chiropractor1790805372
  20. Jessica Arneson, D.P.MFoot & Ankle Surgery Podiatrist1922530724
  21. Aryana AzadianPharmacist1497473466
  22. Tina Azin, DDSPediatric Dentistry1821156084
  23. Salma Aziz, DPMSpecialist1467447326
  24. Joseph Bahan, D.C.Chiropractor1972841310
  25. Francis Banda, RNGeneral Practice Registered Nurse1063064855
  26. Alysia Barham, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1770123226
  27. Katherine Barton, MA., LMFTMarriage & Family Therapist1083024186
  28. Katie BazylakSchool Counselor1366370181
  29. Robin Beauregard, P.T.Specialist1649461377
  30. Iuliia Bennett, DDSGeneral Practice Dentistry1053146829
  31. Patricia Bennett, M.S., MFTMarriage & Family Therapist1013464767
  32. Sarah Bennett, MA, MFTIMental Health Counselor1366536021
  33. Devon Benson, LMFTMental Health Counselor1710760616
  34. Shelly BergPediatric Occupational Therapist1134759459
  35. Kristen Bergmann, SLPASpeech-Language Assistant1497009872
  36. Scott Bianchi, D.D.S.General Practice Dentistry1396768834
  37. Elyse Biechele, DPTPhysical Therapist1184125072
  38. Natalia Bilan, MDFamily Medicine Physician1376644377
  39. Luis Gustavo Bitton, DDSGeneral Practice Dentistry1619154374
  40. Paige BoggessOccupational Therapist1477352185
  41. Tara Bradley, MA, OTR/LPediatric Occupational Therapist1164732756
  42. Jody Bremer, LMFTMarriage & Family Therapist1861713646
  43. Justin Brown, MPTOrthopedic Physical Therapist1700151735
  44. Susan Brown, PTPhysical Therapist1083744189
  45. Lechelle Brueggeman, PSYDStudent in an Organized Health Care Education/Training Program1174386361
  46. Jeffrey Bulger, PASurgical Physician Assistant1942245857
  47. Anthony Bullum, O.D.Optometrist1992773956
  48. Lile Bunar, D.D.S.General Practice Dentistry1740480151
  49. Juris Bunkis, M.D.,F.A.C.S.Specialist1265658835
  50. Lisa Button, SUDCC 8711Addiction (Substance Use Disorder) Counselor1346715091

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

Rancho Santa Margarita, California appears in the CMS National Plan and Provider Enumeration System with 479 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 Rancho Santa Margarita - 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 Rancho Santa Margarita 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 Rancho Santa Margarita is weighted toward Physical Therapist (57 clinicians, followed by Speech-Language Pathologist with 32 and Pharmacist with 31). 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, Rancho Santa Margarita reports roughly 1.2 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 Rancho Santa Margarita practice address, a coverage gap Rancho Santa Margarita patients typically fill by traveling to a larger nearby hub.

For Rancho Santa Margarita 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 Rancho Santa Margarita, CA?

There are 479 registered healthcare providers in Rancho Santa Margarita, CA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Rancho Santa Margarita?

The most common specialties in Rancho Santa Margarita are Physical Therapist, Speech-Language Pathologist, Pharmacist, Marriage & Family Therapist, General Practice Dentistry. Physical Therapist has the most providers with 57.

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.