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 369 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
- April Zaat, MDStudent in an Organized Health Care Education/Training Program1275810277
- Cynthia ZabalaAddiction (Substance Use Disorder) Counselor1194173401
- Katarzyna Zacha, MACounselor1518166388
- Dustin Zacharias, CMTMassage Therapist1114872215
- Lasnieli ZadurskiDoula1104719962
- Rachel ZaffiroStudent in an Organized Health Care Education/Training Program1427942739
- Sabreen Zafir, NOCase Manager/Care Coordinator1023299294
- Ayesha Zahiruddin, MDGastroenterology Physician1942598396
- Robin ZahnerMarriage & Family Therapist1942947940
- Jannat ZahoorStudent in an Organized Health Care Education/Training Program1104328236
- Brita Zaia, M.D.Emergency Medicine Physician1285871798
- Yazsmyn ZaidCommunity Health Worker1538002563
- Nadir ZaidiStudent in an Organized Health Care Education/Training Program1245790849
- Sokena Zaidi, MDStudent in an Organized Health Care Education/Training Program1912632019
- Aamir Zakaria, M.D.Vascular Surgery Physician1154317683
- Yeganeh Zakerani, PHARMDPharmacist1861116642
- Wadie Zakhary, MSWStudent in an Organized Health Care Education/Training Program1780416529
- Ruby ZalduondoCase Manager/Care Coordinator1225685431
- Linda Zallen, MS, MFTMarriage & Family Therapist1598966558
- Ambreen Zaman, P.A.Surgical Physician Assistant1770014367
- Adriana Zambrano, M.D.Pediatrics Physician1366605131
- Karla Zambrano-ArmijosMental Health Counselor1467788893
- Darling ZamoraMental Health Counselor1124794755
- Denisse ZamoraBehavior Technician1245708262
- Esin ZamoraMarriage & Family Therapist1861709602
- Isela ZamoraMental Health Counselor1689064206
- Jaryle ZamoraStudent in an Organized Health Care Education/Training Program1588257646
- Juliana ZamoraBehavior Technician1689165359
- Theresa ZamoraMental Health Counselor1306386131
- Giovanna ZampaClinical Social Worker1013808120
- Leva ZandCommunity Health Worker1699330472
- Abby Zangwill, PHARMDPharmacist1902944689
- Stuart Zangwill, MDPediatrics Physician1831277623
- Mercedes ZapataMental Health Counselor1942721907
- Adriana ZapienDay Training/Habilitation Specialist1073163606
- Cinthia ZapienRehabilitation Practitioner1427529114
- Karla ZapienSocial Worker1740976174
- Nicolle Zapien, MA, ED.M, MFTMarriage & Family Therapist1285957084
- William Zappas, A.S.W.Clinical Social Worker1760717664
- Katrina Zara, BSStudent in an Organized Health Care Education/Training Program1073345583
- Efren ZaragozaBehavior Technician1720831506
- Raquel ZaragozaCase Manager/Care Coordinator1215050372
- Viviana ZaragozaBehavior Technician1932954443
- Eva ZarateSocial Worker1699286070
- Edward Neil ZarcoDay Training/Habilitation Specialist1558289173
- Erika Zarco, M.A., LMFTMarriage & Family Therapist1497937098
- Payam Zarehbin, O.DOptometrist1164428942
- Eve Zaritsky, MDObstetrics & Gynecology Physician1508968231
- Philip Zarri, PTPhysical Therapist1043386568
- Linda Zaruba, PHDPsychologist1750586533
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.