NPPES file of Aug 9, 2026

Doctors and health care providers in Vista, CA

2,017 individual NPPES records list a practice address in Vista, 111th of 812 California cities. The largest group is behavior technician: 170, 8% of the city's records, against 18% across California. Page 27 of 41.

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

Vista in California

  • Rank in California111th of 812 cities by records
  • Share of the state0.2% of California's records
  • Specialties present25 or more taxonomy codes
  • Top three groups21.6% of all records

Compared with California as a whole, Vista has 3.3× the state's share of professional counselor records and 0.28× its share of student in an organized health care education/training program records.

Providers in Vista, alphabetically

  1. Jonathan NavarroDental Hygienist1679296016
  2. Megan Navarro, AABehavior Technician1750047882
  3. Saray Navarro, ASWClinical Social Worker1295351286
  4. Steve Nave, DDSGeneral Practice Dentistry1376715045
  5. Kassidy Nearhoof, LCSWClinical Social Worker1851020630
  6. Michael Nelson, DDSDentist1053329128
  7. Katie NesterBehavior Technician1568063592
  8. Margaret Neville, LCSWClinical Social Worker1073682407
  9. Cody Newell, PTAPhysical Therapy Assistant1669088142
  10. Amber NewsomBehavior Technician1295596328
  11. Aimee Nganso, PHARMDPharmacist1023404993
  12. Christine Nguyen, MDInternal Medicine Physician1750483590
  13. Daniela Nguyen, DOFamily Medicine Physician1891069662
  14. Emily Nguyen, PHARM.DPharmacist1548633258
  15. Ethan Nguyen, MDInternal Medicine Physician1568475614
  16. Helen NguyenPhysician Assistant1487357885
  17. Jessalynn NguyenPharmacist1750815130
  18. John NguyenPharmacist1205112919
  19. Ky Nguyen, DDSDentist1780764316
  20. Uyen Nguyen, PHARMDPharmacist1891311353
  21. Vu Nguyen, M.D.Dermatopathology Physician1588742555
  22. Dat Nhan, RPHPharmacist1285238329
  23. Estela Nicholas, N.PObstetrics & Gynecology Nurse Practitioner1558384792
  24. Kim NicholsonDoula1588133409
  25. Lisbet NicolasSpeech-Language Assistant1467197194
  26. Julie NielsenAddiction (Substance Use Disorder) Counselor1871189209
  27. Maria Nielsen, BAMental Health Counselor1194040881
  28. Shelby NielsenBehavior Analyst1760217947
  29. Myrna NietoMental Health Counselor1306960547
  30. Maxwell NiggliHealth Educator1073479143
  31. Nicklaus NishijimaFoot & Ankle Surgery Podiatrist1144896234
  32. Moena NishikawaPediatrics Physician1407434533
  33. Jeffrey Niss, CCAPP C7801214Addiction (Substance Use Disorder) Counselor1508539669
  34. Norbert Nitsch, PTPhysical Therapist1194840314
  35. Ginger Nocera, SLPSpeech-Language Pathologist1992125074
  36. Frank Nolan, M.D.Rheumatology Physician1225053598
  37. Steven Nolan, PTPhysical Therapist1932806197
  38. Patrick Noll, DCChiropractor1982626263
  39. Gabriell North, LMTMassage Therapist1366388332
  40. Jon Norton, DDSDentist1346347010
  41. Lisa Norton, MDFamily Medicine Physician1720181084
  42. Loren Novak, D.O.Family Medicine Physician1689601270
  43. Claudio NunezMarriage & Family Therapist1003276700
  44. Kayla NunezBehavior Technician1093313165
  45. Laura NunezOccupational Therapist1285272880
  46. Marline NunezBehavior Technician1912506486
  47. Kristen Nurkowski, MSW, LCSWClinical Social Worker1467806604
  48. Cynthia Nutter, M.F.T.Marriage & Family Therapist1508173808
  49. Mary Ann Nycum, MA MFTMarriage & Family Therapist1811021702
  50. Mark O'Brien, D.O.Internal Medicine Physician1497744247

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

Vista, California appears in the CMS National Plan and Provider Enumeration System with 2,017 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 Vista - 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 Vista 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 Vista is weighted toward Behavior Technician (170 clinicians, followed by Addiction (Substance Use Disorder) Counselor with 133 and Marriage & Family Therapist with 132). 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, Vista reports roughly 5.2 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 Vista practice address, a coverage gap Vista patients typically fill by traveling to a larger nearby hub.

For Vista 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 Vista, CA?

There are 2,017 registered healthcare providers in Vista, CA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Vista?

The most common specialties in Vista are Behavior Technician, Addiction (Substance Use Disorder) Counselor, Marriage & Family Therapist, Clinical Social Worker, Mental Health Counselor. Behavior Technician has the most providers with 170.

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.