NPPES file of Aug 9, 2026

Doctors and health care providers in Grass Valley, CA

1,540 individual NPPES records list a practice address in Grass Valley, 142nd of 812 California cities. The largest group is mental health counselor: 151, 10% of the city's records, against 3% across California. Page 29 of 31.

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

Grass Valley in California

  • Rank in California142nd of 812 cities by records
  • Share of the state0.2% of California's records
  • Specialties present25 or more taxonomy codes
  • Top three groups28.2% of all records

Compared with California as a whole, Grass Valley has 15.1× the state's share of adult companion records and 0.31× its share of student in an organized health care education/training program records.

Providers in Grass Valley, alphabetically

  1. Nicole Ullom, RADTCommunity Health Worker1942986344
  2. Deborah Underwood, MFTMental Health Counselor1881624492
  3. Kyrsten UnsinnAddiction (Substance Use Disorder) Counselor1548658925
  4. Kelly UrzuaCounselor1285210807
  5. Douglas Valentine, DDSOral and Maxillofacial Surgery (Dentist)1831274638
  6. Robin Van Cleave, LPCCMental Health Counselor1235397951
  7. David Van Zant, PT DPT DCSPhysical Therapist1710088794
  8. Heather VanceClinical Social Worker1386820892
  9. Jeremy VanceMental Health Counselor1972885135
  10. Corey Vanderwouw, PTPhysical Therapist1013076827
  11. Jean VardaLicensed Vocational Nurse1912359084
  12. Burnell Vassar, M.D.Family Medicine Physician1548268386
  13. Catheryn Vatuone, MFTMental Health Counselor1881910123
  14. Autumn VegaCounselor1871086066
  15. Karla VelascoDay Training/Habilitation Specialist1447031059
  16. Kent Vernon, D.C.Chiropractor1669563961
  17. Gillian Viers, NPFamily Nurse Practitioner1730279894
  18. Ofilio VigilCounselor1306165840
  19. Ana VillelaCounselor1083231633
  20. Jessica VoisineCommunity Health Worker1396428876
  21. Katrina WachsSchool Counselor1578320362
  22. Cheryl Wade, RNRegistered Nurse1962770941
  23. Sommer Wadman-Huntley, CADC-IIAddiction (Substance Use Disorder) Counselor1558525006
  24. Natasha Wagner, RADTAddiction (Substance Use Disorder) Counselor1366294829
  25. Savanah WaldCounselor1033687835
  26. Daniel Walden, DPTPhysical Therapist1881066819
  27. Mae WaldronCounselor1609489970
  28. Blake WalkerSchool Counselor1801656277
  29. Sarah WalkerLicensed Vocational Nurse1982421285
  30. Savannah WalkerAddiction (Substance Use Disorder) Counselor1053924027
  31. Lisa Walker RodriguezTechnician1437624319
  32. Donald WalshSchool Psychologist1245184589
  33. Alvin Walters, FNPNurse Practitioner1659836823
  34. Evan WaltersOrthopedic Physical Therapist1184114779
  35. Kimberly WaltersRegistered Nurse1720534274
  36. Lael WalzCounselor1689821654
  37. Jackson Wang, MDNephrology Physician1003183617
  38. Gem WardClinical Social Worker1841474152
  39. Minor Ward, M.D.Surgery Physician1487696464
  40. Alyssa Wargala, PAPhysician Assistant1699802710
  41. Peter Warner, CHIROPRACTORChiropractor1235121161
  42. Anna Wartan, BAPeer Specialist1265173769
  43. Stephen Waterbrook, M.D.Surgery Physician1558564872
  44. Sharonda WatsonDay Training/Habilitation Specialist1588434294
  45. Tiffany WatsonDay Training/Habilitation Specialist1053596775
  46. Dessa Watson CrabtreeMental Health Counselor1770009763
  47. Chaslynn WattsDoula1558106328
  48. Catherine Wayman, LMFTMarriage & Family Therapist1306637038
  49. Kenneth Webster, D.D.S.General Practice Dentistry1245248152
  50. Michael Webster, RADT-1Addiction (Substance Use Disorder) Counselor1992179311

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

Grass Valley, California appears in the CMS National Plan and Provider Enumeration System with 1,540 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 Grass Valley - 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 Grass Valley 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 Grass Valley is weighted toward Mental Health Counselor (151 clinicians, followed by Addiction (Substance Use Disorder) Counselor with 148 and Marriage & Family Therapist with 136). 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, Grass Valley reports roughly 4 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 Technician is the most prominent one with no provider currently listing a Grass Valley practice address, a coverage gap Grass Valley patients typically fill by traveling to a larger nearby hub.

For Grass Valley 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 Grass Valley, CA?

There are 1,540 registered healthcare providers in Grass Valley, CA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Grass Valley?

The most common specialties in Grass Valley are Mental Health Counselor, Addiction (Substance Use Disorder) Counselor, Marriage & Family Therapist, Counselor, Physical Therapist. Mental Health Counselor has the most providers with 151.

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.