NPPES file of Aug 9, 2026

Doctors and health care providers in Vacaville, CA

1,903 individual NPPES records list a practice address in Vacaville, 117th of 812 California cities. The largest group is behavior technician: 310, 16% of the city's records, against 18% across California. Page 26 of 39.

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

The 8 largest groups in Vacaville

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

Vacaville in California

  • Rank in California117th of 812 cities by records
  • Share of the state0.2% of California's records
  • Specialties present25 or more taxonomy codes
  • Top three groups28.6% of all records

Compared with California as a whole, Vacaville has 2.5× the state's share of clinical psychologist records and 0.40× its share of case manager/care coordinator records.

Providers in Vacaville, alphabetically

  1. Elvin Norman, PHARM DPharmacotherapy Pharmacist1831469550
  2. Ryan NorrisPsychiatry Physician1568098549
  3. Cesar Novelo, CMCase Manager/Care Coordinator1750012712
  4. Cesar NunezBehavior Technician1659170256
  5. Christopher Nunez GonzalezBehavior Technician1053029223
  6. Priscilla NungarayBehavior Technician1124613278
  7. Sarah NybakkeBehavior Technician1831814268
  8. William O'Connor, M.D.Family Medicine Physician1639127632
  9. Meghann OakesPhysical Therapist1528312063
  10. Mary Ann Ocampo, DMDDentist1033533328
  11. Maria Ochoa SanchezBehavior Technician1952260176
  12. Joan Nicole OclaritBehavior Technician1649819764
  13. Shanette Offenheiser, MPTPhysical Therapist1225167521
  14. Maria Ojeda, MAMedical Physician Assistant1083305775
  15. Chisara Okehi, LCSWClinical Social Worker1720956717
  16. Christine OldenbourgFamily Health Clinical Nurse Specialist1437589058
  17. Nicole Olley, PH.D.Clinical Psychologist1114163474
  18. Caitlin Olmstead, MS, GCGenetic Counselor (M.S.)1083020176
  19. Kenny Omlin, MDDermatology Physician1134207970
  20. Rahem OpeyanyMental Health Counselor1841313269
  21. Diane Oran, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1326171638
  22. Laura OrmandClinical Social Worker1336573864
  23. Yesenia OrozcoCase Manager/Care Coordinator1164151924
  24. Maury Orozco-TorresBehavior Technician1184594087
  25. Jennifer Orthwein, JD, MAMental Health Counselor1174769095
  26. Sarochinee OrtizBehavior Analyst1073322541
  27. Randall Osborn, DPMPodiatrist1053365999
  28. Alexander Osbun, HSBehavior Technician1710720891
  29. Alfredo Ovalle, M.D.Family Medicine Physician1235111022
  30. Marisa OverbyBehavior Technician1255987913
  31. Jeri Owens, MDPsychiatry Physician1295890119
  32. Louisa Owyang, RPHPharmacist1720330376
  33. Aaliyah Ozturk, PSYDStudent in an Organized Health Care Education/Training Program1902627037
  34. Jessica OzunaBehavior Technician1073189957
  35. Victor Pacheco, PSYCHOLOGISTClinical Psychologist1306095880
  36. Paz Pacifico, MDPsychiatry Physician1326051384
  37. Dorothy Padilla, OTHand Occupational Therapist1649360488
  38. Iosif Padurets, RNFamily Nurse Practitioner1235565664
  39. Joanne Paek, M.D.Reproductive Endocrinology Physician1194943324
  40. Sharon Page-Pressley, PSY.D.Counseling Psychologist1457588857
  41. Usha Pai, M.D.Internal Medicine Physician1932392453
  42. Sun-Young PaikRegistered Dietitian1003737800
  43. Jasmyn PaivaBehavior Technician1003788936
  44. Bailee PaladeLicensed Vocational Nurse1548852544
  45. Ivy PalchikRegistered Nurse1629900816
  46. James Palm, PHARM DPharmacist1912569575
  47. Ace Panes, CRNACertified Registered Nurse Anesthetist1548725187
  48. Maria Samantha Pangilinan, BSN, RNRegistered Nurse1043100100
  49. Christina Pann, N.C.Nutrition Education Nutritionist1598111809
  50. Roderic Panzer, DDSGeneral Practice Dentistry1235238817

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

Vacaville, California appears in the CMS National Plan and Provider Enumeration System with 1,903 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 Vacaville - 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 Vacaville 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 Vacaville is weighted toward Behavior Technician (310 clinicians, followed by Pharmacist with 127 and Marriage & Family Therapist with 107). 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, Vacaville reports roughly 4.9 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.

For Vacaville 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 Vacaville, CA?

There are 1,903 registered healthcare providers in Vacaville, CA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Vacaville?

The most common specialties in Vacaville are Behavior Technician, Pharmacist, Marriage & Family Therapist, Clinical Social Worker, Physical Therapist. Behavior Technician has the most providers with 310.

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.