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 81 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
- Camerina Del Rio, ACSWSocial Worker1205604964
- Michelle Del Rio, MAStudent in an Organized Health Care Education/Training Program1952232019
- Nataly Del Rio BarronCase Manager/Care Coordinator1619500527
- Mutya Mithi Del RosarioInternal Medicine Physician1760001911
- Benedict Dela CruzBehavior Analyst1023511953
- Carl Dela Cruz, CRNACertified Registered Nurse Anesthetist1720635873
- John Paul Dela CruzRegistered Nurse1023981842
- Leah Dela CruzRehabilitation Practitioner1710107115
- Mary Dawn Dela CruzDay Training/Habilitation Specialist1649193137
- Ruell Dela PenaCommunity Health Worker1184091464
- Alba Delacruz, SRNARegistered Nurse1871483941
- Keith DelaneyCase Manager/Care Coordinator1588305007
- Kathryn Delaplane, CNMAdvanced Practice Midwife1992142780
- Claude Delaubert, CLAUDE DELAUBERTMarriage & Family Therapist1235200379
- Lori Delay, LCSWClinical Social Worker1649307703
- Ebonye DeleonMental Health Counselor1295439628
- Cassandre DeleonecheverriaMental Health Counselor1235449257
- Jennifer DelgadoBehavior Technician1467004275
- Reynaldo DelgadoDay Training/Habilitation Specialist1538026745
- Adonia Delgado HippMarriage & Family Therapist1487484580
- Nicholas DeliaMarriage & Family Therapist1366971756
- Chanda DelifusCase Manager/Care Coordinator1891146536
- Sylvia Delius, MDPediatrics Physician1033297817
- Lyndsay Dell, PSYDClinical Psychologist1194354001
- Jessica Della Valle, M.D.Surgery Physician1407114077
- Cara DellaquilaMarriage & Family Therapist1346383171
- Missy Delmar, RD, CDERegistered Dietitian1972645067
- Angelika Delos ReyesMassage Therapist1215725759
- Sharlene Delos SantosStudent in an Organized Health Care Education/Training Program1649128976
- Kristine Noelle DelosoSocial Worker1669975397
- Roseanne DelrosarioBehavior Analyst1932602869
- Kristen Delsigne, PT, DPTPhysical Therapist1841679990
- Darrow Deluca, MDPediatrics Physician1326314816
- Michael Deluca, PTPhysical Therapist1043449572
- Sian Deluca, OTR/LOccupational Therapist1598426801
- Haley DelzerMarriage & Family Therapist1356964233
- Hunter Demaray, BCBABehavior Analyst1235620865
- Kathryn Demarco, PHARM.D.Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1558135749
- Chelsea DemarteMarriage & Family Therapist1699951251
- John Demello, LCSWClinical Social Worker1033227558
- Andrew DemersMarriage & Family Therapist1992166466
- Tyler DemingPhysical Therapist1336516095
- Renee Demirdjian, LMFTMarriage & Family Therapist1265051650
- Brittany Demmings, MDPediatrics Physician1730820440
- Claire DempseySocial Worker1265227359
- Eugene DenardCounselor1568003648
- Janai DenardDay Training/Habilitation Specialist1821779380
- Denise Denevi, M.S. BCBABehavior Analyst1114310950
- Aaron DengStudent in an Organized Health Care Education/Training Program1902665268
- Diana Xiao Hua Deng, OMD, L.AC.Acupuncturist1174683866
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.