NPPES file of Aug 9, 2026

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 371 of 372.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

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

  1. Bing ZhaoCritical Care Medicine Registered Nurse1417793597
  2. Darren ZhaoStudent in an Organized Health Care Education/Training Program1588415764
  3. Jessica ZhaoCommunity Health Worker1568844538
  4. Ludan Zhao, MD, PHDStudent in an Organized Health Care Education/Training Program1992267413
  5. Shanshan Zhao, REGISTERED NURSERegistered Nurse1013514470
  6. Xiaoxue ZhaoMassage Therapist1548011323
  7. Kristy ZhenClinical Social Worker1639725757
  8. Henry ZhengStudent in an Organized Health Care Education/Training Program1992407688
  9. Jenny Zheng, PHARM.D.Pharmacist1306363759
  10. Jie Zheng, MDStudent in an Organized Health Care Education/Training Program1942535539
  11. Lingjin Zheng, MDPsychiatry Physician1306331483
  12. Mei ZhengRegistered Respiratory Therapist1205306305
  13. Melissa Zheng, MDOtolaryngology Physician1932630027
  14. Sijie Zheng, M.D.Nephrology Physician1407061823
  15. Xiaopeng ZhengBehavior Technician1215531686
  16. Jiayue ZhongRegistered Nurse1821823915
  17. Kaili Zhou, MDInternal Medicine Physician1720548688
  18. Margaret Zhou, L.AC.Acupuncturist1780546465
  19. Minhao Zhou, MDSurgery Physician1992884050
  20. Zhengli Zhou, L.ACAcupuncturist1265647564
  21. Lee Lee Zhu, PHARM.D., RPHPharmacist1134664360
  22. Steven ZhuSocial Worker1649668856
  23. Pavel Zhuravlev, MDStudent in an Organized Health Care Education/Training Program1053169797
  24. Nelu ZiaMental Health Counselor1811292691
  25. Kirsten ZiebarthBehavior Analyst1285141457
  26. Barbara Ziel, MSGenetic Counselor (M.S.)1376618777
  27. Sasha ZientsSocial Worker1639042773
  28. Garret Zieve, PHDPsychologist1235968082
  29. Carolyn Zimmerman, PHARMDPharmacist1932242807
  30. Logan Zimmerman, PT, DPTPhysical Therapist1679098032
  31. Michael Zimmerman, MDFamily Medicine Physician1366513822
  32. Rori Zimmerman, BA OF PSYCHOLOGYDay Training/Habilitation Specialist1639946882
  33. Bilal ZindaniCounselor1285815795
  34. Tal Ziv, MDInternal Medicine Physician1508938259
  35. Cheryl Zlotnick, RN DRPHClinical Nurse Specialist1285822841
  36. Stephan Zmugg, M.D.Orthopaedic Surgery Physician1396030680
  37. Rachel Zoffness, PH.D.Psychologist1891994976
  38. Kuang Zong, RDNRegistered Dietitian1467998062
  39. Yinglong ZongSpeech-Language Pathologist1861325169
  40. Yuxiao ZongStudent in an Organized Health Care Education/Training Program1851147722
  41. Ziqing Zong, PPSSchool Psychologist1376466292
  42. Sarah ZoogmanStudent in an Organized Health Care Education/Training Program1467899864
  43. Barooyr Zorthian, MDInternal Medicine Physician1043294853
  44. Youran Zou, MDAnatomic Pathology Physician1588928915
  45. Birin Zouri, RPHPharmacist1104794684
  46. John Zovickian, MDNeurological Surgery Physician1336227115
  47. Ken Zuckerman, M.D.Anesthesiology Physician1356355499
  48. Donald Zukin, MDPediatric Emergency Medicine (Pediatrics) Physician1790791242
  49. Gabriela ZuloagaMental Health Counselor1326455833
  50. Marisa Zuluaga, MDEmergency Medicine Physician1033415351

The largest California cities

  1. Los Angeles69,537
  2. San Diego52,937
  3. San Francisco38,143
  4. Sacramento33,083
  5. San Jose20,925

All of California →

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.