NPPES file of Aug 9, 2026

Doctors and health care providers in Oceanside, CA

3,438 individual NPPES records list a practice address in Oceanside, 66th of 812 California cities. The largest group is behavior technician: 314, 9% of the city's records, against 18% across California. Page 2 of 69.

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

Oceanside in California

  • Rank in California66th of 812 cities by records
  • Share of the state0.4% of California's records
  • Specialties present25 or more taxonomy codes
  • Top three groups20.6% of all records

Compared with California as a whole, Oceanside has 9.3× the state's share of attendant care provider records and 0.52× its share of behavior technician records.

Providers in Oceanside, alphabetically

  1. Lillian AlexanderMarriage & Family Therapist1154012474
  2. Meiken AlexanderStudent in an Organized Health Care Education/Training Program1235714783
  3. Alexandra Alfaro-GonzalezPhysical Therapist1518487123
  4. Allison Allen, PT, DPT, ATCPhysical Therapist1861972432
  5. Chriss Allen, PH.D.Clinical Psychologist1710100490
  6. Marissa Allen, RN, IBCLCSchool Registered Nurse1356108880
  7. Matthew Allen, PA-CMedical Physician Assistant1770963589
  8. Paige Allen, RNRegistered Nurse1477739415
  9. Ria AllenOccupational Therapist1134846587
  10. Samantha AllenCase Manager/Care Coordinator1891484077
  11. Sonya AllenMental Health Counselor1427123769
  12. Thomas Allen, M.D.Emergency Medicine Physician1144607888
  13. William Allen, D.D.S., M.S.Orthodontics and Dentofacial Orthopedics Dentistry1184725186
  14. Heather Allenby, MFTMarriage & Family Therapist1629164496
  15. Neville Alleyne, M.D.Orthopaedic Surgery of the Spine Physician1346200425
  16. Aaron AllonCase Manager/Care Coordinator1689118531
  17. Mary Alltop, RNRegistered Nurse1013130111
  18. Mazer Ally, M.D.Gastroenterology Physician1902018666
  19. Catherine Almanza, LMFTMarriage & Family Therapist1740951300
  20. Helenie Sanne AlminarAddiction (Substance Use Disorder) Counselor1043851736
  21. Frederick Alpern, PH.D.Clinical Psychologist1700974748
  22. Katherine Alsbury, AUD.Audiologist1699298406
  23. Lenwood AlstonBehavior Technician1851982318
  24. Vickie Alston, CNMAdvanced Practice Midwife1932209905
  25. Pauline AltenAddiction (Substance Use Disorder) Counselor1164883237
  26. Maribel AlvaradoAddiction (Substance Use Disorder) Counselor1386034395
  27. Noe AlvaradoSchool Psychologist1457826737
  28. Julie Alvarez, RADT-1Addiction (Substance Use Disorder) Counselor1376041707
  29. Maribel Amador AvilaRehabilitation Counselor1124267950
  30. Sabrina AmatoreOccupational Therapist1588386791
  31. Jessica Ambriz Cruz, APCCAddiction (Substance Use Disorder) Counselor1700415247
  32. Shaunna AmbroseOrientation and Mobility Training Rehabilitation Counselor1164149860
  33. Vanessa AmezquitaPhysical Therapist1770293383
  34. Diana AminiContractor1639622046
  35. Rhonda Amore, LVNLicensed Vocational Nurse1669712170
  36. Michael AmorilloOrthopedic Physical Therapist1225238132
  37. David Amory, M.D.Orthopaedic Surgery Physician1659358786
  38. Shawn Amparano, M.ED.Behavior Analyst1770196958
  39. Laseana Ancrum, LVNLicensed Vocational Nurse1740647080
  40. Philippe Andan, LVNLicensed Vocational Nurse1487002200
  41. Aziz Ander, M.D.Neurology Physician1316131832
  42. Annaliese AndersenAthletic Trainer1013683747
  43. Alaina AndersonStudent in an Organized Health Care Education/Training Program1235769472
  44. Devin Anderson, FNPFamily Nurse Practitioner1215451117
  45. Erin Anderson, MSWMental Health Counselor1346736006
  46. Janelle AndersonRegistered Nurse1033830328
  47. Mary Anderson, LVNLicensed Vocational Nurse1396344222
  48. Rachel Anderson, RN, MSN, FNPFamily Nurse Practitioner1235435587
  49. Robin Anderson, RNCommunity Health Registered Nurse1558486977
  50. Sherilyn AndersonBehavior Technician1336825173

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

Oceanside, California appears in the CMS National Plan and Provider Enumeration System with 3,438 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 Oceanside - 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 Oceanside 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 Oceanside is weighted toward Behavior Technician (314 clinicians, followed by Addiction (Substance Use Disorder) Counselor with 203 and Mental Health Counselor with 190). 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, Oceanside reports roughly 8.8 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, Internal Medicine Physician is the most prominent one with no provider currently listing a Oceanside practice address, a coverage gap Oceanside patients typically fill by traveling to a larger nearby hub.

For Oceanside 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 Oceanside, CA?

There are 3,438 registered healthcare providers in Oceanside, CA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Oceanside?

The most common specialties in Oceanside are Behavior Technician, Addiction (Substance Use Disorder) Counselor, Mental Health Counselor, Physical Therapist, Marriage & Family Therapist. Behavior Technician has the most providers with 314.

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.