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 37 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
- Catherine Maddox, LMFTMarriage & Family Therapist1609354687
- Robin Maddox, CADC-IIAddiction (Substance Use Disorder) Counselor1700617180
- Jesse Madera, OTR/LOccupational Therapist1528461050
- Anna Mades, LCSWClinical Social Worker1740994193
- Wendy MadrigalBehavior Technician1093485724
- Jesus Magana, CADCIIAddiction (Substance Use Disorder) Counselor1073189437
- Sarah MagnerAddiction (Substance Use Disorder) Counselor1780141226
- Ruby MagnoLicensed Practical Nurse1972485530
- Gail Maher, BSNRNCase Management Registered Nurse1801003611
- Michelle MaherRehabilitation Practitioner1174274260
- Tara Mahoney, NPPediatric Nurse Practitioner1619120938
- Stephanie MainiLicensed Vocational Nurse1437901337
- Hailey MakousBehavior Technician1245160381
- Zaid Malallah, DDSGeneral Practice Dentistry1730010372
- Claudia MalaveCounselor1467875252
- Mark Malay, PHDClinical Psychologist1912254103
- Jesse MaldonadoBehavior Technician1326836289
- Nancy Maldonado HernandezAddiction (Substance Use Disorder) Counselor1083359848
- Karime Maldonado RiosCase Manager/Care Coordinator1972187532
- Jesus Mallari, M.D.Pediatrics Physician1982689147
- Laura MalleryRehabilitation Practitioner1497931984
- William Maloney, MDOphthalmology Physician1457390999
- Bella Dory MalulaniMassage Therapist1093648552
- Ellen Mandell, M.D.Obstetrics & Gynecology Physician1952676041
- Sean Mandell, PTPhysical Therapist1356724637
- Rachel ManglonaBehavior Technician1962288001
- Amie Maniacop, OTR/LOccupational Therapist1497289003
- Morgan Manini, DPTPhysical Therapist1144997909
- Lauren Manlove, LCSW, CCMMental Health Counselor1083916118
- Denna ManningAddiction (Substance Use Disorder) Counselor1982170387
- Richmon ManongdoBehavior Technician1598520207
- Staria Manos, CCH RS HOM(NA)Homeopath1902016751
- Magy MansourPharmacist1275128738
- Tasha Manternach, M.D.Dermatology Physician1750360491
- Sarahi ManuelLicensed Vocational Nurse1538736483
- Rosemarie MarabellaBehavior Technician1811564024
- Gina Maraio, D.O.Family Medicine Physician1104962042
- Charles Marcee, BSAddiction (Substance Use Disorder) Counselor1215595467
- Melchor MarchaDriver1093281776
- Nathan MarcottePhysical Therapist1225720220
- Randi MargarianBehavior Analyst1811370422
- Julie Marhefka, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1699077123
- Angelica MarinStudent in an Organized Health Care Education/Training Program1598061087
- Robert MarkhamAttendant Care Provider1063026763
- Kimberly Marquardt, RNAdministrator Registered Nurse1619742251
- Tinoa MarquardtBehavior Technician1275041063
- Joseph Marquez, DOFamily Medicine Physician1679002141
- Justin Marquis, PAPhysician Assistant1891729422
- Mary Marquis, ARNPAdult Health Nurse Practitioner1669440731
- Diana Marseilles, MS, LAT, ATCAthletic Trainer1164904322
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.