NPPES file of Aug 9, 2026

Doctors and health care providers in Hercules, CA

277 individual NPPES records list a practice address in Hercules, 353rd of 812 California cities. The largest group is behavior technician: 111, 40% of the city's records, against 18% across California. Page 2 of 6.

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

The 8 largest groups in Hercules

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

Hercules in California

  • Rank in California353rd of 812 cities by records
  • Share of the state<0.1% of California's records
  • Specialties present25 or more taxonomy codes
  • Top three groups49.8% of all records

Compared with California as a whole, Hercules has 2.3× the state's share of behavior technician records.

Providers in Hercules, alphabetically

  1. Yee ChenAcupuncturist1235257197
  2. Myriam ChenbodBehavior Technician1871487561
  3. Amritpal ChhatwalLicensed Vocational Nurse1720578248
  4. Justin Chou, DDSDentist1881303493
  5. Amy ChoyPhysician Assistant1063822187
  6. Jennifer CiddelpradoBehavior Technician1386345098
  7. John CompagnoSpecialist1134125578
  8. Julia CornishBehavior Technician1992668701
  9. Jennifer CuellarBehavior Technician1508627993
  10. Edith DanielsAttendant Care Provider1215698444
  11. Charles Davidson, DCChiropractor1386936441
  12. Deangelo DavisBehavior Technician1447179536
  13. Elizabeth Davis, BSNHome Health Registered Nurse1710877543
  14. Leocarlo De CastroNurse Practitioner1396434874
  15. Wendy De La LuzBehavior Technician1295670941
  16. Elmer De Leon, DDSDentist1487864492
  17. Phinnillipa DegruyCounselor1124221643
  18. Gilad Dekel, R.PH.Pharmacist1174606594
  19. Julian DelgadilloBehavior Technician1548100845
  20. Thomas Desimio, RNInfusion Therapy Registered Nurse1922102318
  21. Fran Didomenicis, PH.D.Psychologist1952465221
  22. Heather DivineBehavior Technician1376225391
  23. Manuel Dizon, D.C.Chiropractor1255451969
  24. Amrit DosanjhBehavior Analyst1750708517
  25. McWayne EnadRegistered Respiratory Therapist1750846887
  26. Gary EngOccupational Therapist1437002953
  27. Geraldine Enriquez-Louie, RRTRegistered Respiratory Therapist1366336505
  28. Jose Enz, MDPediatrics Physician1801998836
  29. Angala Erickson-WernhardtBehavior Technician1942057245
  30. Maria Escalada, M.D.Family Medicine Physician1497787899
  31. Maria EscobedoBehavior Analyst1467879239
  32. Melany EsperanzaBehavior Technician1508613852
  33. Leona Rei FernandezBehavior Analyst1124896378
  34. Andres Fidel-Emmanuel, CMTMassage Therapist1700773090
  35. Sabrina FigueroaBehavior Analyst1922576784
  36. John Firkus, PHDPsychologist1578389573
  37. Emily Fong, L.ACAcupuncturist1609153170
  38. Loraine Franks, M.D.Pediatric Hematology & Oncology Physician1487999637
  39. Idelia GarciaBehavior Technician1952228843
  40. Lizette Garcia BarbozaBehavior Technician1982448239
  41. Wayne Garrett, DOClinical Pathology Physician1528111598
  42. Esther GaskinRegistered Nurse1497207534
  43. Alexus GenochioBehavior Technician1174269708
  44. Loretta GeorgeBehavior Technician1053205245
  45. Marquis GilletteBehavior Technician1356060974
  46. Katherine GironBehavior Technician1477240943
  47. Samantha Giron MedinaBehavior Technician1740061456
  48. Josselin GomezBehavior Technician1124805262
  49. Valerie GomezBehavior Analyst1659088102
  50. Mario Gonzales, ODOptometrist1427014166

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

Hercules, California appears in the CMS National Plan and Provider Enumeration System with 277 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 Hercules - 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 Hercules 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 Hercules is weighted toward Behavior Technician (111 clinicians, followed by Pharmacist with 14 and Behavior Analyst with 13). 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, Hercules reports roughly 0.7 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, Case Manager/Care Coordinator is the most prominent one with no provider currently listing a Hercules practice address, a coverage gap Hercules patients typically fill by traveling to a larger nearby hub.

For Hercules 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 Hercules, CA?

There are 277 registered healthcare providers in Hercules, CA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Hercules?

The most common specialties in Hercules are Behavior Technician, Pharmacist, Behavior Analyst, Optometrist, Dentist. Behavior Technician has the most providers with 111.

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.