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

Dr. Mary P Mercer, MD

Individual provider Emergency Medical Services (Emergency Medicine) Physician · NPI 1104014265

Dr. Mary P Mercer, MD is an Emergency Medical Services (Emergency Medicine) Physician in Stanford, California. Works from 2 locations. Licensed in California.

Licensed in
CA
In the registry since
2007
Specialties on file
2
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

300 Pasteur Dr
Stanford, CA 94305-2200
Phone: (650) 723-4000
Show map & directions

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

Additional practice locations (1)

  • 1001 Potrero Avenue, San Francisco, CA 94110-3518 — (628) 206-8111

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence A105471 (CA)
Emergency Medical Services (Emergency Medicine) Physician Taxonomy 207PE0004X · Licence A105471 (CA)

Record details

NPI number1104014265
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 12, 2007
Last updated in NPPESJune 12, 2026
Certification dateJune 12, 2026

Other providers in Stanford