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

Grace Hassid, MD

Individual provider Internal Medicine Physician · NPI 1700957099

Grace Hassid, MD is an Internal Medicine Physician in San Mateo, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

222 W 39th Ave
San Mateo, CA 94403-4364
Phone: (650) 573-2222
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence G62760 (CA)

Record details

NPI number1700957099
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 10, 2006
Last updated in NPPESMarch 24, 2009
Mailing address222 W 39th Ave, San Mateo, CA 94403-4364

Other providers in San Mateo