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 56 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. Alejandro Serna, CADC-CASAddiction (Substance Use Disorder) Counselor1033327317
  2. Faye SernaRegistered Nurse1114138005
  3. Abbey Serrano, LMSWMental Health Counselor1801464631
  4. Charelene SerranoStudent in an Organized Health Care Education/Training Program1710794581
  5. Emily SetlockSpeech-Language Pathologist1093386955
  6. Sara Settle, LVNLicensed Vocational Nurse1568737013
  7. Hannah Shabala, SLP-CFSpeech-Language Pathologist1790663029
  8. Laura Shabel, M.S.Addiction (Substance Use Disorder) Counselor1841550134
  9. Cyrus Shabrang, M.D.Vascular & Interventional Radiology Physician1487917621
  10. Javaid Shad, M.D.Gastroenterology Physician1003885922
  11. Kalpit Shah, MDOrthopaedic Hand Surgery Physician1326450040
  12. Samir Shah, PHARM.D.Pharmacist1295082634
  13. Deborah Shahbaz, LMFTMarriage & Family Therapist1932981461
  14. Khadija ShairBehavior Technician1538913231
  15. Aubrey Shamlin, OTR/LPediatric Occupational Therapist1417597246
  16. Anya ShannonStudent in an Organized Health Care Education/Training Program1528903754
  17. Robert Shapiro, MDUrology Physician1033198320
  18. Valerie Shapiro, M.S. CCC-SLPSpeech-Language Pathologist1851949721
  19. Abhinav Sharma, M.D.Cardiovascular Disease Physician1518298280
  20. Sanjeev Sharma, M.D.Family Medicine Physician1821072083
  21. Greg Sharp, SOIDCIndependent Duty Corpsman1457648784
  22. Marilynn Shaw, MS, APRN, NP, CNSNurse Practitioner1114400967
  23. Megan Shea, DPTPhysical Therapist1417259102
  24. Farrell Sheffield, OTR/L, CDRSDriving and Community Mobility Occupational Therapist1356541155
  25. Lily SheikhStudent in an Organized Health Care Education/Training Program1548159288
  26. Kylea SheilsStudent in an Organized Health Care Education/Training Program1578004677
  27. Sadie Sheldon, BSN, RN, PHNRegistered Nurse1821635905
  28. Tracye ShellMental Health Counselor1518400274
  29. Anne Shelton, RNRegistered Nurse1265905087
  30. Leslie SheltonMarriage & Family Therapist1275867178
  31. Lindsay SheltonSocial Worker1780373597
  32. Ancong ShenPharmacist1144692534
  33. David Sherman, O.D.Optometrist1992844062
  34. Mark Sherman, LCSWClinical Social Worker1386637932
  35. Aneri ShethProfessional Counselor1124612023
  36. Naomi ShetulaBehavior Technician1285479659
  37. Sera Shevchenko, OTD, OTR/LOccupational Therapist1396684213
  38. Kelli Shiflet, LPCCMental Health Counselor1902273618
  39. Angela Shih, D.O.Internal Medicine Physician1477088912
  40. Michael Shim, M.D.Gastroenterology Physician1851503353
  41. Maya Shimamura, PT, DPTPhysical Therapist1427734110
  42. Susan Shimomaye, MDMOHS-Micrographic Surgery Physician1801828058
  43. Collette ShirleyLicensed Vocational Nurse1245430941
  44. Nina ShonleyBehavior Technician1851017859
  45. Parul Shridhar, DDSDentist1992288450
  46. Andrea Siberell, RNRegistered Nurse1427514702
  47. Alyse Sibley, SLPSpeech-Language Pathologist1952147506
  48. Nayyar Siddique, MDHematology & Oncology Physician1497890610
  49. Carolyn SidhuMarriage & Family Therapist1093025579
  50. Joseph Siegel, M.D.Internal Medicine Physician1083935951

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.