NPPES file of Aug 9, 2026

Doctors and health care providers in Napa, CA

3,583 individual NPPES records list a practice address in Napa, 63rd of 812 California cities. The largest group is behavior technician: 990, 28% of the city's records, against 18% across California. Page 3 of 72.

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

Napa in California

  • Rank in California63rd of 812 cities by records
  • Share of the state0.4% of California's records
  • Specialties present25 or more taxonomy codes
  • Top three groups37% of all records

Compared with California as a whole, Napa has 4.4× the state's share of licensed psychiatric technician records and 0.28× its share of student in an organized health care education/training program records.

Providers in Napa, alphabetically

  1. Richard AndersonMedical Oncology Physician1669659066
  2. Scott Anderson, MDInternal Medicine Physician1619929494
  3. Humberto AndradeBehavior Technician1114596715
  4. Kimberly AndradeLicensed Vocational Nurse1356101687
  5. Nicolas Andrade MolinaBehavior Technician1548128721
  6. Daniel Andrews, M.D.Internal Medicine Physician1659394427
  7. Donna Andrews, PHDClinical Psychologist1184195240
  8. Atiera Andrews-Pestana, PHARMDPharmacist1982242657
  9. Christo AndriopoulosBehavior Technician1366398299
  10. Grace Ang, M.D.Internal Medicine Physician1902990245
  11. Yesenia AngelRehabilitation Practitioner1679974554
  12. Elsa AngeleriBehavior Technician1174386031
  13. Joelle AngelesBehavior Technician1336846963
  14. Cassandra AnguloBehavior Technician1962108019
  15. Janice Ankenmann, F.N.P.Family Nurse Practitioner1891908232
  16. Daniella Antalek, RNRegistered Nurse1265293385
  17. Laurel Antonucci, LCSWClinical Social Worker1346263761
  18. Christina Joy ApostolCase Manager/Care Coordinator1104541630
  19. Danielle AppelBehavior Technician1083299143
  20. Edward Applebaum, D.O.Psychiatry Physician1508874306
  21. Noorulain Aqeel, MDPsychiatry Physician1811949944
  22. Nikki Aquino, CATC IIAddiction (Substance Use Disorder) Counselor1952162406
  23. Jose AranaBehavior Technician1760199830
  24. Yolanda ArdoinBehavior Technician1467139337
  25. Irma Arellano, RDHDental Hygienist1528603610
  26. Jason ArellanoBehavior Technician1932820099
  27. Mark ArellanoPhysical Therapist1508736802
  28. Alma ArenasLicensed Psychiatric Technician1093591950
  29. Ricardo ArenasHealth & Wellness Coach1891655759
  30. Karina Arias, MFTIMarriage & Family Therapist1972058220
  31. Jose ArmentaMental Health Counselor1437616380
  32. Ronald ArmentaBehavior Technician1063021780
  33. Victoria ArmentaBehavior Technician1871108662
  34. Allan ArmstrongOptometrist1386786689
  35. John Armstrong, MDGynecology Physician1790875995
  36. Andrea ArnoldBehavior Technician1982479739
  37. Bria ArnoldBehavior Technician1407536386
  38. Erica Aronson, M.D.Dermatology Physician1033431549
  39. Ernest Arras, MDInternal Medicine Physician1174601900
  40. Carmen Arroyo, RNRegistered Nurse1700102225
  41. Nayeli ArroyoLicensed Vocational Nurse1780425215
  42. Sashareen ArthurStudent in an Organized Health Care Education/Training Program1891359659
  43. Ericia ArtisBehavior Technician1093406779
  44. Alina Arvizu SotoBehavior Technician1275233124
  45. Erica AscensioBehavior Technician1104787738
  46. Michael Asch, BAMental Health Counselor1023319639
  47. Patricia AshongBehavior Technician1386400430
  48. Patricia Ashworth, L.V.N.Licensed Vocational Nurse1629399472
  49. Filza AsifAssistant Behavior Analyst1619802006
  50. Mary AskewBehavior Technician1144988148

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

Napa, California appears in the CMS National Plan and Provider Enumeration System with 3,583 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 Napa - 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 Napa 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 Napa is weighted toward Behavior Technician (990 clinicians, followed by Marriage & Family Therapist with 187 and Clinical Social Worker with 147). 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, Napa reports roughly 9.2 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, Behavior Analyst is the most prominent one with no provider currently listing a Napa practice address, a coverage gap Napa patients typically fill by traveling to a larger nearby hub.

For Napa 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 Napa, CA?

There are 3,583 registered healthcare providers in Napa, CA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Napa?

The most common specialties in Napa are Behavior Technician, Marriage & Family Therapist, Clinical Social Worker, Case Manager/Care Coordinator, Clinical Psychologist. Behavior Technician has the most providers with 990.

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.