NPPES file of Aug 9, 2026

Doctors and health care providers in Winchester, CA

209 individual NPPES records list a practice address in Winchester, 405th of 812 California cities. The largest group is behavior technician: 49, 23% of the city's records, against 18% across California. Page 2 of 5.

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

The 8 largest groups in Winchester

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

Winchester in California

  • Rank in California405th of 812 cities by records
  • Share of the state<0.1% of California's records
  • Specialties present25 or more taxonomy codes
  • Top three groups40.2% of all records

Compared with California as a whole, Winchester has 45.5× the state's share of other technician records.

Providers in Winchester, alphabetically

  1. Denise De La RivaBehavior Technician1801663885
  2. Alicia DilleyBehavior Technician1578232492
  3. Derek Downing, DDSDentist1881388924
  4. Aimee Duarte, D.C.Chiropractor1265979686
  5. Brooke DurnilOther Technician1952861007
  6. James DyasLicensed Vocational Nurse1861816464
  7. Joelle DyasBehavior Technician1881561330
  8. Veronica Edmondson, DDSGeneral Practice Dentistry1134729262
  9. Brianna ElizarrarazBehavior Technician1942990353
  10. Michelle EllisonBehavior Technician1780438853
  11. Kristen Essick, CD, IBCLCDoula1588347629
  12. David Estaphnous, PHARMDPharmacist1225635048
  13. Jordan Fallentine, PMHNPPsychiatric/Mental Health Nurse Practitioner1912871583
  14. Christie Fanous, PHARMDPharmacist1407564313
  15. Najla FloresBehavior Technician1144999061
  16. Eunice GachomoRegistered Nurse1972104644
  17. Tammy Gallagher, RNRegistered Nurse1972994275
  18. Alexandria GambrellMarriage & Family Therapist1265104129
  19. Darrell Gambrell, NPPsychiatric/Mental Health Nurse Practitioner1649129149
  20. Andy GarciaClinical Social Worker1669021614
  21. Diana GarciaBehavior Technician1023669959
  22. Heidi GarciaOther Technician1346961646
  23. Taylor GastonBehavior Technician1730987363
  24. Cheryll Gilbert, LCSWClinical Social Worker1700236122
  25. Gaile GonzalesDoula1346608791
  26. Kimberly GoodwinBehavior Technician1730825084
  27. Courtney Goutermont, BCBABehavior Analyst1558942573
  28. Ileana Guerrero, ACSWSocial Worker1679379853
  29. Maria Ham, RNLactation Consultant (Registered Nurse)1093600058
  30. Erika HargesCase Manager/Care Coordinator1922894070
  31. Bailey HarrisBehavior Technician1477351070
  32. Natalee Hartwell, DOULADoula1770454266
  33. Nanette Hayden, LMFTMarriage & Family Therapist1821718958
  34. Mary-Catherine Hayes, LCSWClinical Social Worker1184150534
  35. Allene Heath, LPCCMental Health Counselor1326915174
  36. Maria Hernandez, L.V.NLicensed Vocational Nurse1811142540
  37. Nathan HernandezBehavior Technician1548095706
  38. Arlene HerringAttendant Care Provider1861274581
  39. Heather HershAthletic Trainer1518626308
  40. Rachel Hoffman, LMTMassage Therapist1033460225
  41. Candice Holbert-VelasquezRegistered Nurse1689519282
  42. Callie Holloway, MSN, APRN, FNP-CFamily Nurse Practitioner1902780018
  43. Chris HorowitzOther Technician1255892022
  44. Lindsay Howanec, MAOther Technician1619585866
  45. Leticia IglesiasLicensed Practical Nurse1043401581
  46. Leo Igualdo, BCBABehavior Analyst1447740469
  47. Lawrence Jacobs, SFIDCIndependent Duty Corpsman1003243338
  48. Jose Jimenez, RDHAPDental Hygienist1093785685
  49. Courtney JohnsonBehavior Technician1386487320
  50. Preston JohnsonPharmacist1861865487

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

Winchester, California appears in the CMS National Plan and Provider Enumeration System with 209 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 Winchester - 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 Winchester 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 Winchester is weighted toward Behavior Technician (49 clinicians, followed by Other Technician with 20 and Registered Nurse with 15). 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, Winchester reports roughly 0.5 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 Winchester practice address, a coverage gap Winchester patients typically fill by traveling to a larger nearby hub.

For Winchester 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 Winchester, CA?

There are 209 registered healthcare providers in Winchester, CA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Winchester?

The most common specialties in Winchester are Behavior Technician, Other Technician, Registered Nurse, Licensed Vocational Nurse, Pharmacist. Behavior Technician has the most providers with 49.

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.