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

Mary Saeun Hong, MD

Individual provider Internal Medicine Physician · NPI 1861570624

Mary Saeun Hong, MD is an Internal Medicine Physician in San Leandro, 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 →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

3553 Whipple Rd
San Leandro, CA 94587-1507
Phone: (510) 454-1000
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A61806 (CA)

Record details

NPI number1861570624
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 1, 2006
Last updated in NPPESFebruary 2, 2022
Certification dateFebruary 2, 2022

Other providers in San Leandro