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 243 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
- Kushagra Nijhara, M.D.Psychiatry Physician1831689348
- Sonny Nijjar, M.D.Hospitalist Physician1790196756
- Mahnoosh Nik-Ahd, MDPediatric Emergency Medicine (Emergency Medicine) Physician1174919609
- Krista Niles, LCSWClinical Social Worker1720218092
- Lorraine Niles, OTR/LMental Health Occupational Therapist1508139684
- Argavan Nilforoush, RDRegistered Dietitian1649523267
- Janet Nilsen, RN, NPPsychiatric/Mental Health Nurse Practitioner1427168335
- Craig Nimick, D.P.M.Student in an Organized Health Care Education/Training Program1962769166
- Claire NimsBehavior Analyst1609359777
- Daniel Ninh, PHARMD, MS, RPHPharmacist1164020020
- Juan-David Nino-Lopez, NPFamily Nurse Practitioner1386307569
- Siu Ying Nip, MBCHBPediatric Endocrinology Physician1346611514
- Donna NishijimaPharmacist1841724036
- Kelly NishikawaStudent in an Organized Health Care Education/Training Program1679004717
- Diane Nishikawa-Solomon, CRNACertified Registered Nurse Anesthetist1861558496
- Justin NishimotoBehavior Analyst1194214379
- Kris Nishimura, PHARM.D.Pharmacist1205119096
- Michael NishiokaPharmacist1548829062
- Eduardo NisperosCounselor1982368734
- Kellie Nissen, PSYDClinical Psychologist1669023750
- Christy NitkowskiClinical Social Worker1427524503
- Lagituaiva NiuatoaCommunity Health Worker1962954834
- Loa NiumeitoluCommunity Health Worker1447566492
- Sharon NivStudent in an Organized Health Care Education/Training Program1942758719
- Amanda Nixon, RNRegistered Nurse1003582917
- Carmen Njelita, MFTIMarriage & Family Therapist1922249614
- Zanabou NjieCounselor1780350751
- Gregory Nkwocha, DPTPhysical Therapist1477323913
- Deborah NkwuoClinical Social Worker1093902348
- Roxana NobariMarriage & Family Therapist1275999682
- Andrea NobleStudent in an Organized Health Care Education/Training Program1912744665
- Emma NobleHearing Instrument Specialist1578029500
- Jeanne Noble, MDEmergency Medicine Physician1649452822
- Rainia NobleMarriage & Family Therapist1487075594
- Skyler NobleCase Manager/Care Coordinator1679117873
- Jocelyn NodalDay Training/Habilitation Specialist1366321267
- Yusef-Khan NodoraBehavior Technician1225796949
- Theresa Noe, DDSDentist1326031402
- Constance Noel, DOInternal Medicine Physician1538385786
- Dominique NoelCounselor1104522473
- Marnie Noel, PHARM.DPsychiatric Pharmacist1336494996
- Rachel Noel, R.N.Registered Nurse1891003463
- Sumire Noguchi, DOStudent in an Organized Health Care Education/Training Program1780319194
- Sophia Nogue, RN, NPFamily Nurse Practitioner1629550454
- Sofia NogueronCommunity Health Worker1144059023
- Alana Nohrden, RDRegistered Dietitian1730710526
- Emer NolanDay Training/Habilitation Specialist1033909437
- Jennifer Nolan, D.C.Chiropractor1457805434
- Laura Nolan, LCSWClinical Social Worker1497101539
- Mary De Crus Nolan, L.C.S.W.Clinical Social Worker1184823809
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.