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.
The 8 largest groups in Vista
Source: CMS NPPES primary taxonomy, file of Aug 9, 2026.
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
- Lori Magnusson, PH.D.Clinical Psychologist1467563767
- Martin Magy, PHDClinical Psychologist1871690594
- Kiran Mahl-Sansone, M.D., INC.Internal Medicine Physician1245276815
- Lindsay Maisey, LMFTMarriage & Family Therapist1881349652
- Christine Majocha, RD, IBCLCRegistered Dietitian1134542079
- Michael Maksim, D.D.S.General Practice Dentistry1871615310
- Ashley MaldonadoMental Health Counselor1184259194
- Britzel MaldonadoBehavior Technician1619711223
- Elsy MaldonadoBehavior Technician1083327563
- Charles Maletz, M.D.Family Medicine Physician1346453628
- Katrina Malvar, NPFamily Nurse Practitioner1689088684
- Michelle Man, OTDOccupational Therapist1093096208
- Emily MandelStudent in an Organized Health Care Education/Training Program1730680695
- Bridget Maniscalco, DDSGeneral Practice Dentistry1194909788
- Robert MannMental Health Counselor1740776160
- Emony ManningAddiction (Substance Use Disorder) Counselor1154133130
- Taylor Mannix, AMFTMarriage & Family Therapist1952082802
- Debbie Maokhamphiou, NPFamily Nurse Practitioner1275025827
- Natalie MarAddiction (Substance Use Disorder) Counselor1578952651
- Dominic MaraniaMarriage & Family Therapist1740738293
- Loni MarcusProfessional Counselor1851840250
- Madhuri Marelli, P.A.Medical Physician Assistant1124202247
- Yvonne Marino, COUNSELORAddiction (Substance Use Disorder) Counselor1366914020
- Rachelle Markham, IBCLCLactation Consultant (Non-RN)1700307501
- Mallory Markis, FNP-CFamily Nurse Practitioner1780245449
- William Marks, MDFamily Medicine Physician1821023086
- Brandon Markwell, DPTPhysical Therapist1245036284
- Macy Marohnic, MFTMarriage & Family Therapist1083569305
- Melisa MarquezCase Manager/Care Coordinator1063959625
- Laura Marsh, MSWClinical Social Worker1770885543
- Heather MarshallPhysical Therapist1518384247
- Tamara Marthens, MFTMarriage & Family Therapist1942372586
- Brianne MartiarenaCounselor1568595957
- Derek Martin, D.M.D.General Practice Dentistry1235317041
- Katherine MartinPharmacist1881138824
- Wendy Martin, M.D.Family Medicine Physician1528136801
- Cecilia Martinez, RDRegistered Dietitian1497275747
- Christine Martinez, OTR/LPediatric Occupational Therapist1427073964
- Haillie MartinezCommunity Health Worker1851097711
- Marco MartinezAddiction (Substance Use Disorder) Counselor1568012417
- Nadine MartinezBehavior Technician1962138081
- Norma Martinez, DDSGeneral Practice Dentistry1336349646
- Ramon Martinez, RDHDental Hygienist1780197632
- Hillary MasonStudent in an Organized Health Care Education/Training Program1407646227
- Leor Matalon, M.DPsychiatry Physician1114952876
- Jelena Matijevic, DMDDentist1487327508
- Jeffrey Matloff, PH.D.Psychologist1659477768
- Yvonne MatternAddiction (Substance Use Disorder) Counselor1841773579
- Bijan Matthews, DPTPhysical Therapist1396262382
- Jessica MatthewsMental Health Counselor1154707685
The largest California cities
- Los Angeles69,537
- San Diego52,937
- San Francisco38,143
- Sacramento33,083
- San Jose20,925
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.