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

Martha Meredith Masters, MD

Individual provider Emergency Medicine Physician · NPI 1972948222

Martha Meredith Masters, MD is an Emergency Medicine in Stanford, California. Qualified in 2013, 13 years ago. Practices with Stanford Health Care, a 3,085-clinician group and accepts Medicare assignment. Licensed in California and New Jersey.

Years since qualifying
13
Licensed in
CA, NJ
In the registry since
2013
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

300 Pasteur Dr
Stanford, CA 94305-2200
Phone: (650) 723-4000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence A169089 (CA)
Emergency Medical Services (Emergency Medicine) Physician Taxonomy 207PE0004X · Licence A169089 (CA)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 25MA10112400 (NJ)

Record details

NPI number1972948222
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 30, 2013
Last updated in NPPESMarch 23, 2024
Certification dateMarch 23, 2024

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Stanford Health Care — 3085 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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