Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Hasib Danai, DO

Individual provider Internal Medicine Physician · NPI 1396058418

Hasib Danai, DO is a Hospitalist in Castro Valley, California. Qualified in 2007, 19 years ago. Practices with Sutter Bay Medical Foundation, a 3,762-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
19
Licensed in
CA
In the registry since
2010
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

20103 Lake Chabot Rd
Castro Valley, CA 94546-5305
Phone: (510) 727-3256
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 240 Meeting House Ln, Southampton, NY 11968-5009 — (510) 861-9966

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 20A10976 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 20A10976 (CA)

Record details

NPI number1396058418
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJuly 18, 2010
Last updated in NPPESJanuary 24, 2022
Certification dateJanuary 24, 2022
Mailing address325 Distel Cir, Los Altos, CA 94022-1408

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2007 (19 years in practice)
Group practice Sutter Bay Medical Foundation — 3762 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Castro Valley