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 191 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
- Lauren Lewis, CAS #7370Counselor1821233990
- Leanna Lewis, MSWClinical Social Worker1679772412
- Lekeshia LewisStudent in an Organized Health Care Education/Training Program1295226991
- Malcolm LewisBehavior Analyst1821930389
- Meilahn LewisBehavior Technician1235631706
- Melville LewisPsychologist1043565419
- Michelle LewisClinical Social Worker1225249501
- Monica Lewis, RNCommunity Health Registered Nurse1578746673
- Nicole LewisCase Manager/Care Coordinator1326815507
- Phillip LewisSpecialist1972660215
- Randell Lewis, MHRSRehabilitation Practitioner1609199918
- Raymone LewisClinical Social Worker1568355311
- Rodney LewisAddiction (Substance Use Disorder) Counselor1588866883
- Sabrina Lewis, CMTMassage Therapist1851036107
- Serran LewisCounselor1780351130
- William Lewis, MDOtolaryngology Physician1124081112
- Zelma Lewis, NURSE PRACTITIONERNurse Practitioner1336202696
- Zuleika LewisDay Training/Habilitation Specialist1003684341
- Regina Lewis Shields, PH.D. MFTMarriage & Family Therapist1174483952
- Barbara Lewis-ClarkeClinical Social Worker1679778559
- Ashley LeybaAddiction (Substance Use Disorder) Counselor1679192264
- Savannah LeydaClinical Psychologist1619593548
- Carlos Leyva, DCChiropractor1437929486
- Kathleen Leyva, NPFNurse Practitioner1578663811
- Alexis Lezin, MA, MFTMarriage & Family Therapist1639604952
- Elisabeth LhoestMarriage & Family Therapist1083972798
- Alvin Li, DPTPhysical Therapist1982206181
- Amy Li, PHARMDPharmacist1700288594
- Becky Li, MDDermatology Physician1609336775
- Brenda LiBehavior Analyst1639551708
- Calvin LiStudent in an Organized Health Care Education/Training Program1699031526
- Christina Li, MDStudent in an Organized Health Care Education/Training Program1265937932
- Christy Li, NPEmergency Registered Nurse1861213282
- Edward Li, D.C.Chiropractor1760563365
- Fengzhen Li, OMDFamily Medicine Physician1942361167
- Gabrielle LiStudent in an Organized Health Care Education/Training Program1033057716
- Ji Li, D.D.S.General Practice Dentistry1902932569
- Joyee LiCommunity Health Worker1144996497
- Jun LiMental Health Counselor1417677469
- Karen LiRehabilitation Practitioner1750881413
- Leon LiInternal Medicine Physician1215124763
- Michael Li, ASW124746Social Worker1376045591
- Michelle LiDay Training/Habilitation Specialist1164207411
- Miranda Li, LCSWClinical Social Worker1578624680
- Nancy Li, MDAnatomic Pathology & Clinical Pathology Physician1396709325
- Paul Li, MDUrology Physician1477631273
- Qin Li, DMDDentist1821247107
- Sandy Li, PHARMDAmbulatory Care Pharmacist1346072550
- Shuxia Li, RNRegistered Nurse1447009774
- Shuyu LiRegistered Nurse1730725540
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.