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 10 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. Frederick Dieterich, M.D.Obstetrics & Gynecology Physician1720183650
  2. Ivy Sheryl DifuntorumOccupational Therapist1497069348
  3. Amyjane Dill, B.A.Student in an Organized Health Care Education/Training Program1932336534
  4. Keira Dillon, R.N., M.S.N, F.N.P.Family Nurse Practitioner1407170590
  5. Michelle Dillon, RBTBehavior Technician1073021804
  6. Natalie DillonAddiction (Substance Use Disorder) Counselor1205492188
  7. Aimee Dinh, FNPFamily Nurse Practitioner1881424166
  8. Michael Dinnel, D.P.M.Podiatrist1497759096
  9. Geno Diveley, L.ACAcupuncturist1477854446
  10. Samantha DixonBehavior Technician1538770250
  11. Noelani Dizon-Oathout, ASWClinical Social Worker1982099461
  12. Darren Do, DDSGeneral Practice Dentistry1265534838
  13. Mary Do, PHARM.D.Pharmacist1992073159
  14. Rosemary DohrerBehavior Technician1932838034
  15. Marti Donnell, MDFamily Medicine Physician1235151366
  16. Ann Donovan, LCSWClinical Social Worker1407886237
  17. Mona Dopp, N.P.Family Nurse Practitioner1649571530
  18. Samira Doroudi, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1518554658
  19. Aubree Dospoy, LCSWClinical Social Worker1104514330
  20. Christine Dougherty, LCSWClinical Social Worker1003194960
  21. Edward Dougherty, COTAOccupational Therapy Assistant1760650808
  22. Matthew Doull, DPTPhysical Therapist1619641859
  23. Chris DownsLicensed Vocational Nurse1083934335
  24. Jose Drago, DDSGeneral Practice Dentistry1770673550
  25. Ruth Drago, DDSGeneral Practice Dentistry1942390737
  26. Lynne Drake, PHARM.D.Pharmacist1124328612
  27. Destiny Drehs, RAD-TAddiction (Substance Use Disorder) Counselor1689342081
  28. Kathleen Drennan, BSN, MSN, APRN-CFamily Nurse Practitioner1811902661
  29. Sarndra Dries, LVNLicensed Vocational Nurse1104984475
  30. Linda Droker, LMTMassage Therapist1205581048
  31. Lisa DuClinical Social Worker1134482912
  32. Grace DubickMental Health Counselor1952625550
  33. Kaitlyn Duckworth, DPTPhysical Therapist1083294839
  34. Gee Yeoun Dugan, FNP-CFamily Nurse Practitioner1023656048
  35. Aleksandra Dumar, DDSDentist1508538455
  36. Mariah Dumouchel, RNRegistered Nurse1275129918
  37. Thomas Duncan, DDSDentist1770615049
  38. Alexander Dunham, RBTBehavior Technician1396215695
  39. Michael Dunlap-Frost, SUDRCAddiction (Substance Use Disorder) Counselor1659198596
  40. Katie Duong, DMDGeneral Practice Dentistry1043422520
  41. Judy Duplessis, LVNLicensed Vocational Nurse1669678074
  42. Vanessa Duran, LCSW, BCDClinical Social Worker1205246139
  43. Kerri Duren, PHARMACISTPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1073082087
  44. Carly DurutovicPhysician Assistant1538927793
  45. Zakiya DuviellaMarriage & Family Therapist1659715712
  46. Nga Dwork, FNP-BCNurse Practitioner1659808608
  47. Tammy EasterbyPsychiatric/Mental Health Nurse Practitioner1992580898
  48. Sean Easton, PAPhysician Assistant1790284131
  49. Amber Eckert, MSC/MFTMarriage & Family Therapist1366860561
  50. Elaine EdmistonPediatric Nurse Practitioner1669488680

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.