Doctors and health care providers in Oakland, CA
18,558 individual NPPES records list a practice address in Oakland, 7th of 812 California cities. The largest group is marriage & family therapist: 1,576, 8% of the city's records, against 6% across California. Page 51 of 372.
The 8 largest groups in Oakland
Source: CMS NPPES primary taxonomy, file of Aug 9, 2026.
Oakland in California
- Rank in California7th of 812 cities by records
- Share of the state1.9% of California's records
- Specialties present25 or more taxonomy codes
- Top three groups22.2% of all records
- Marriage & Family Therapist rank5th of the 10 California cities with the most
Compared with California as a whole, Oakland has 2.9× the state's share of counselor records and 0.29× its share of behavior technician records.
Providers in Oakland, alphabetically
- Jose Castellanos Monroy, MDFamily Medicine Physician1841814068
- Francesca Castellucci-GarzaPodiatrist1609262070
- Emery Caster, DTCM L.ACAcupuncturist1851153969
- Zavier Casterlow, RNPsychiatric/Mental Health Registered Nurse1306793930
- Michael CastillaCommunity Health Worker1366718744
- Ana Castillo, BAPsychologist1003597121
- Blanca CastilloBehavior Technician1831089242
- Carolina CastilloMarriage & Family Therapist1386843787
- Celina CastilloMental Health Counselor1396027744
- Christine Castillo, PTPhysical Therapist1124195888
- Josue CastilloMarriage & Family Therapist1144187444
- Julia CastilloAddiction (Substance Use Disorder) Counselor1225210313
- Mia Castillo, ASWSocial Worker1255178703
- Porscha Castillo, LCSWClinical Social Worker1598266280
- Samuel Castillo, RRT-NPS, RRT-ACCSCritical Care Registered Respiratory Therapist1487126454
- Sidia CastilloAddiction (Substance Use Disorder) Counselor1962029488
- Tiffany CastilloClinical Social Worker1841915519
- Jasmine CastleCounselor1295235182
- Patricia CastorenaCase Manager/Care Coordinator1548808934
- Nicole Castrejon, LCSWClinical Social Worker1285188797
- Amelia Castro, MDPediatrics Physician1861877706
- Jemiyah Ann CastroSocial Worker1770084915
- Lucia CastroBehavior Technician1164907028
- Nelson Castro Capera, M.D.Student in an Organized Health Care Education/Training Program1265874119
- Coralou Flerida Fe Casuela, RNRegistered Nurse1952635187
- Sheryll Casuga, MAStudent in an Organized Health Care Education/Training Program1164654356
- Claudia Catalan, DCChiropractor1205402716
- Monica Catalano, D.P.T.Physical Therapist1760671739
- Diane CatbaganCommunity Health Worker1083306559
- Gina Catena, CNM, NPAdvanced Practice Midwife1154463958
- Lina Cates, NCCMental Health Counselor1952552473
- Genevieve Catipon, MFTMarriage & Family Therapist1467651687
- Jerica CatlettCase Manager/Care Coordinator1548014459
- Odessa CatonPeer Specialist1316728710
- Natasha CatoriAdult Companion1962332056
- Thomas Catron, MDEmergency Medicine Physician1225282353
- Renata Cauchon-Robles, RDRegistered Dietitian1396680153
- Traci CaudleCounselor1154787323
- Austin Causey, MDHospice and Palliative Medicine (Emergency Medicine) Physician1659735041
- Christopher CavaMental Health Counselor1346497336
- Erin Cava, PA-C, RDPhysician Assistant1225351620
- Grace Cavallaro, MDObstetrics & Gynecology Physician1548342165
- Jenelyn CavalloHearing Instrument Specialist1891491924
- Judith CavazosPsychologist1780962746
- Kaitlyn Cavet, PA-CPhysician Assistant1053231373
- Maria CavicchiMental Health Counselor1376891440
- Janis CavicchiaMarriage & Family Therapist1104075894
- Lindsey CavinMental Health Counselor1821330408
- Michael Cecconi, AMFTMarriage & Family Therapist1619837705
- Maricruz CedanoCase Manager/Care Coordinator1831051549
The largest California cities
- Los Angeles69,537
- San Diego52,937
- San Francisco38,143
- Sacramento33,083
- San Jose20,925
How to read this directory
Oakland, California appears in the CMS National Plan and Provider Enumeration System with 18,558 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 Oakland - 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 Oakland 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 Oakland is weighted toward Marriage & Family Therapist (1,576 clinicians, followed by Student in an Organized Health Care Education/Training Program with 1,419 and Clinical Social Worker with 1,130). 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, Oakland reports roughly 47.6 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, General Practice Dentistry is the most prominent one with no provider currently listing a Oakland practice address, a coverage gap Oakland patients typically fill by traveling to a larger nearby hub.
For Oakland 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 Oakland, CA?
There are 18,558 registered healthcare providers in Oakland, CA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.
What are the most common medical specialties in Oakland?
The most common specialties in Oakland are Marriage & Family Therapist, Student in an Organized Health Care Education/Training Program, Clinical Social Worker, Mental Health Counselor, Behavior Technician. Marriage & Family Therapist has the most providers with 1,576.
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.