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 23 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. Lori Magnusson, PH.D.Clinical Psychologist1467563767
  2. Martin Magy, PHDClinical Psychologist1871690594
  3. Kiran Mahl-Sansone, M.D., INC.Internal Medicine Physician1245276815
  4. Lindsay Maisey, LMFTMarriage & Family Therapist1881349652
  5. Christine Majocha, RD, IBCLCRegistered Dietitian1134542079
  6. Michael Maksim, D.D.S.General Practice Dentistry1871615310
  7. Ashley MaldonadoMental Health Counselor1184259194
  8. Britzel MaldonadoBehavior Technician1619711223
  9. Elsy MaldonadoBehavior Technician1083327563
  10. Charles Maletz, M.D.Family Medicine Physician1346453628
  11. Katrina Malvar, NPFamily Nurse Practitioner1689088684
  12. Michelle Man, OTDOccupational Therapist1093096208
  13. Emily MandelStudent in an Organized Health Care Education/Training Program1730680695
  14. Bridget Maniscalco, DDSGeneral Practice Dentistry1194909788
  15. Robert MannMental Health Counselor1740776160
  16. Emony ManningAddiction (Substance Use Disorder) Counselor1154133130
  17. Taylor Mannix, AMFTMarriage & Family Therapist1952082802
  18. Debbie Maokhamphiou, NPFamily Nurse Practitioner1275025827
  19. Natalie MarAddiction (Substance Use Disorder) Counselor1578952651
  20. Dominic MaraniaMarriage & Family Therapist1740738293
  21. Loni MarcusProfessional Counselor1851840250
  22. Madhuri Marelli, P.A.Medical Physician Assistant1124202247
  23. Yvonne Marino, COUNSELORAddiction (Substance Use Disorder) Counselor1366914020
  24. Rachelle Markham, IBCLCLactation Consultant (Non-RN)1700307501
  25. Mallory Markis, FNP-CFamily Nurse Practitioner1780245449
  26. William Marks, MDFamily Medicine Physician1821023086
  27. Brandon Markwell, DPTPhysical Therapist1245036284
  28. Macy Marohnic, MFTMarriage & Family Therapist1083569305
  29. Melisa MarquezCase Manager/Care Coordinator1063959625
  30. Laura Marsh, MSWClinical Social Worker1770885543
  31. Heather MarshallPhysical Therapist1518384247
  32. Tamara Marthens, MFTMarriage & Family Therapist1942372586
  33. Brianne MartiarenaCounselor1568595957
  34. Derek Martin, D.M.D.General Practice Dentistry1235317041
  35. Katherine MartinPharmacist1881138824
  36. Wendy Martin, M.D.Family Medicine Physician1528136801
  37. Cecilia Martinez, RDRegistered Dietitian1497275747
  38. Christine Martinez, OTR/LPediatric Occupational Therapist1427073964
  39. Haillie MartinezCommunity Health Worker1851097711
  40. Marco MartinezAddiction (Substance Use Disorder) Counselor1568012417
  41. Nadine MartinezBehavior Technician1962138081
  42. Norma Martinez, DDSGeneral Practice Dentistry1336349646
  43. Ramon Martinez, RDHDental Hygienist1780197632
  44. Hillary MasonStudent in an Organized Health Care Education/Training Program1407646227
  45. Leor Matalon, M.DPsychiatry Physician1114952876
  46. Jelena Matijevic, DMDDentist1487327508
  47. Jeffrey Matloff, PH.D.Psychologist1659477768
  48. Yvonne MatternAddiction (Substance Use Disorder) Counselor1841773579
  49. Bijan Matthews, DPTPhysical Therapist1396262382
  50. Jessica MatthewsMental Health Counselor1154707685

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.