NPPES file of Aug 9, 2026

Doctors and health care providers in San Leandro, CA

4,976 individual NPPES records list a practice address in San Leandro, 35th of 812 California cities. The largest group is counselor: 827, 17% of the city's records, against 1% across California. Page 88 of 100.

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

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

The 8 largest groups in San Leandro

  1. Counselor827
  2. Mental Health Counselor481
  3. Behavior Technician362
  4. Marriage & Family Therapist322
  5. Clinical Social Worker270
  6. Students in training144
  7. Community Health Worker144
  8. Pharmacist132

Source: CMS NPPES primary taxonomy, file of Aug 9, 2026.

San Leandro in California

  • Rank in California35th of 812 cities by records
  • Share of the state0.5% of California's records
  • Specialties present25 or more taxonomy codes
  • Top three groups33.6% of all records
  • Counselor rank2nd of the 10 California cities with the most

Compared with California as a whole, San Leandro has 83.1× the state's share of assistant health information record technician records and 0.41× its share of behavior technician records.

Providers in San Leandro, alphabetically

  1. Mark Tanaka, M.D.Emergency Medicine Physician1104904960
  2. Randy Tanega, PHARM DPharmacist1174825491
  3. Laurence Tang, PHARM.D.Pharmacist1861864449
  4. Linda Tang, MDDiagnostic Radiology Physician1528000791
  5. Wing TangHealth & Wellness Coach1093693772
  6. Yen-Len Tang, M.D.Pediatrics Physician1871660464
  7. Michal TannenbaumMental Health Counselor1255763728
  8. Marisa TannerStudent in an Organized Health Care Education/Training Program1801585690
  9. Katherine TaoCounselor1740700871
  10. Marissa TapiaCommunity Health Worker1083179774
  11. Robert Tartaglione, M.D.Vascular & Interventional Radiology Physician1306150362
  12. Emma Tasharski, LCSWClinical Social Worker1699606939
  13. Sharon Tatmon, RNCase Management Registered Nurse1114114451
  14. Frederick Tatum, RN MSRegistered Nurse1619130812
  15. Rachel TatuskoAssistant Health Information Record Technician1285058347
  16. Peter TauberCounselor1588914485
  17. Maisha TawashaStudent in an Organized Health Care Education/Training Program1154154961
  18. Alphanso TaylorCommunity Health Worker1881187227
  19. Cora Taylor, M.F.T.Marriage & Family Therapist1104250703
  20. Eliza TaylorBehavior Technician1053160382
  21. Esther TaylorCounselor1225173438
  22. Jaime TaylorCounselor1083749360
  23. Kaitlyn TaylorClinical Social Worker1275883530
  24. Laura TaylorDay Training/Habilitation Specialist1760305031
  25. Emily TeglandCommunity Health Worker1467055608
  26. Lindsay Teitelbaum, M.S. CCC-SLPSpeech-Language Pathologist1215517420
  27. Stephanie TejadaMarriage & Family Therapist1205285046
  28. Tatiana TejedaCounselor1699311365
  29. Lidia Tekie, ODOptometrist1578913869
  30. Bana TekleBehavior Technician1376226852
  31. Jennifer Teng, MDEmergency Medicine Physician1821292434
  32. Joseph Teng, DOInternal Medicine Physician1619596897
  33. Crystal Tenorio, RNCommunity Health Registered Nurse1760363717
  34. Peter Ternus, D.P.M.Podiatrist1790777019
  35. Marie Tero, D.D.S.General Practice Dentistry1699870733
  36. Genevieve Terry, PA-CPhysician Assistant1881124220
  37. Abigail TesfamicaelBehavior Technician1033838552
  38. Hanna TesfamikaelCommunity Health Worker1114377033
  39. Kelly ThaiMarriage & Family Therapist1487222824
  40. Sierra Thai-BinhCounselor1619385051
  41. Manith ThaingCase Manager/Care Coordinator1255789095
  42. Choua ThaoMental Health Counselor1427452028
  43. Lauren ThayerCounselor1619217445
  44. May ThazinPharmacist1205231172
  45. Rylan ThewCounselor1689034340
  46. Preethi Thiagarajan, O.D., PH.D., FAAOOptometrist1841851045
  47. Justin ThielMental Health Counselor1417085911
  48. Andrea ThoeleCounselor1376782623
  49. Ayanna ThomasCase Manager/Care Coordinator1134895337
  50. Bejoy Thomas, M.D.Anesthesiology Physician1730390675

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

San Leandro, California appears in the CMS National Plan and Provider Enumeration System with 4,976 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 San Leandro - 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 San Leandro 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 San Leandro is weighted toward Counselor (827 clinicians, followed by Mental Health Counselor with 481 and Behavior Technician with 362). 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, San Leandro reports roughly 12.8 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.

For San Leandro 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 San Leandro, CA?

There are 4,976 registered healthcare providers in San Leandro, CA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in San Leandro?

The most common specialties in San Leandro are Counselor, Mental Health Counselor, Behavior Technician, Marriage & Family Therapist, Clinical Social Worker. Counselor has the most providers with 827.

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.