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 16 of 69.
The 8 largest groups in Oceanside
Source: CMS NPPES primary taxonomy, file of Aug 9, 2026.
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
- Gabriel De FariaPhysical Therapist1134669120
- Dimitri De Kouchkovsky, MD-PHDDermatology Physician1851977292
- Bree De La CruzMental Health Counselor1003041872
- Jennifer De La FuenteClinical Social Worker1912435249
- William De La Rosa, SUDRCPeer Specialist1336906502
- Christine De Leon, RNCase Management Registered Nurse1558693978
- Kimberly De LeonLicensed Vocational Nurse1831908870
- Andrea De Marino, MHS, OTR/LPediatric Occupational Therapist1124149109
- Janette Dearing, LVNLicensed Vocational Nurse1932798642
- Elizabeth Debaets, MDPediatrics Physician1023028032
- Kimberly DebowMarriage & Family Therapist1356742696
- Brian Declerk, D.C.Chiropractor1598857013
- Andrew Deemer, MDVascular Surgery Physician1578568432
- Steven Deeming, CNANurse's Aide1740626860
- Max DefrainMarriage & Family Therapist1477074268
- Jemimah Hannah DegalaRegistered Nurse1922717024
- Gina Degeorge, PTPhysical Therapist1548546468
- Amanda Dehart, RNPsychiatric/Mental Health Nurse Practitioner1851749881
- Norman Deitch, DCChiropractor1568548113
- Melanie Del Rosario, RN,LVNRegistered Nurse1942146089
- Angelito Dela Cruz, DNPFamily Nurse Practitioner1457806366
- Isabel DelarosaBehavior Technician1871130872
- Carl Delgado, LVNLicensed Vocational Nurse1013166131
- Vivian Demaree, RN, BSN,PHNCommunity Health Registered Nurse1093830465
- Emelia DemirdjianSpeech-Language Pathologist1992694806
- Keith DemolderMental Health Counselor1841910650
- Olivia DempseySpeech-Language Pathologist1588442461
- Tracey Dempsey, BSC(HONS)PHYSIOTHERAPhysical Therapist1457417651
- Laura Elizabeth DenhamBehavior Technician1629736996
- Ashley DennisonMassage Therapist1063100444
- Emily Densmore, MSWMental Health Counselor1841642972
- Maximillian DenysBehavior Technician1457173536
- William Dern, D.D.S.Prosthodontics1881729705
- Rosalba Derobbio, MSMarriage & Family Therapist1598969305
- Martha DeroblesClinical Social Worker1669217949
- Daniel Desantis, MDCardiovascular Disease Physician1003220989
- Kristin Desantis, M.D.Obstetrics & Gynecology Physician1710399811
- Lizette Deshane, DACMAcupuncturist1558706325
- Dara Desoto, CPM, LMMidwife1194681791
- Christopher Devereaux, M.D.Gastroenterology Physician1376512848
- Randi Devine, MFTMarriage & Family Therapist1598772360
- Antoinette DevitaCase Manager/Care Coordinator1245713882
- Meghan Dewees-KernStudent in an Organized Health Care Education/Training Program1407429996
- Esther DewittBehavior Analyst1043186828
- Krysti Dezonia, ED.DBehavior Analyst1629470372
- Rasheda Dia, M.P.A.SPhysician Assistant1518493907
- Kedist Dias, LVNLicensed Vocational Nurse1679048037
- Elizabeth DiazMarriage & Family Therapist1285913988
- Ramel DiazAddiction (Substance Use Disorder) Counselor1043041734
- Sierra DiazBehavior Technician1720823198
The largest California cities
- Los Angeles69,537
- San Diego52,937
- San Francisco38,143
- Sacramento33,083
- San Jose20,925
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.