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 17 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
- Robert DickeyIndependent Duty Corpsman1649712639
- Raquel DiegoLicensed Vocational Nurse1215743042
- Thi Diep, RPHPharmacist1962810903
- Paul Dietsch, B.A.Hearing Instrument Specialist1891893293
- Dorothy DillardLicensed Vocational Nurse1366937294
- J Wayne Dillard, D.O.Physical Medicine & Rehabilitation Physician1659324234
- Ariana Dillman, M.D.Emergency Medicine Physician1497067862
- Erica Din, FNP-CFamily Nurse Practitioner1043550460
- Maria Dineros, LPTMental Health Counselor1023344504
- Elizabeth Dingbaum, PAMedical Physician Assistant1073101564
- Thuy-Trang Dinh, PHARM. DPharmacist1417230046
- Jessica DitsonSocial Worker1972851996
- Arie DixonRegistered Nurse1407582521
- Michael Dixon, PEER SUPPORTPeer Specialist1821977661
- Phil Dixon, DCChiropractor1659576932
- Michelle DmitrukBehavior Technician1770160202
- Phuong Dung DoCritical Care Medicine Registered Nurse1346850120
- Priscilla DoLicensed Vocational Nurse1043078546
- Christine DobbinsAddiction (Substance Use Disorder) Counselor1093105819
- Jennifer Dolby, MDPediatrics Physician1699780049
- Pamela DolojanRegistered Nurse1811452105
- Michelle Domingo, NPFamily Nurse Practitioner1760973952
- Anabel Dominguez-ChioBehavior Technician1407450901
- Christopher DonlonMassage Therapist1487304655
- John Donnelly, M.D.Psychiatry Physician1760566160
- Nancy Donoghue, MFTMarriage & Family Therapist1518147230
- John DonovanPhlebotomy Technician1629513734
- Tracy Donovan, AMFTMarriage & Family Therapist1437027588
- Jose Dorantes, DPTPhysical Therapist1639863442
- Morgan Dorsey, PT, DPTPhysical Therapist1922767201
- Morgan Dossey, PSYDClinical Psychologist1861099871
- Mingyuan DouBehavior Technician1265183461
- Juliane DoudsMental Health Counselor1942030770
- Timothy Dougerty, LVNLicensed Vocational Nurse1255849493
- Kristi DouglasMental Health Counselor1902775125
- Roger DouglasAddiction (Substance Use Disorder) Counselor1306397260
- Keith DowClinical Social Worker1417708959
- Heather DowneyBehavior Technician1730697582
- Megan DoxeyBehavior Technician1205703469
- Tatiana DrawbridgeBehavior Technician1932818283
- Whitney DrazovichCounselor1265022065
- Emily Dreager, RN, CPNPPediatric Nurse Practitioner1215213384
- Brian Drew, NPMental Health Counselor1093781338
- Alexandra DreyfussOrientation and Mobility Training Rehabilitation Counselor1538885678
- Brendan Drury, R.PH.Pharmacist1689651945
- Ayashia DuckworthBehavior Technician1174486567
- Katherine DuenckelAddiction (Substance Use Disorder) Counselor1730645417
- Angela Duenes, DDSDentist1528195088
- Jose Duenes, DDSDentist1922140391
- Lindsay Duerson, PTAPhysical Therapy Assistant1497482608
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.