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

Carol Madellaine Marquez, MD

Individual provider Radiation Oncology Physician · NPI 1568478014

Carol Madellaine Marquez, MD is a Radiation Oncology in Stanford, California. Graduated from University of California, San Francisco School of Medicine in 1987, 39 years ago. Practices with Stanford Health Care, a 3,085-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California, Oregon and Washington.

Years since qualifying
39
Trained at
University of California, San Francisco School of Medicine
Licensed in
CA, OR, WA
In the registry since
2006
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

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence G64905 (CA)
Radiation Oncology Physician Taxonomy 2085R0001X · Licence MD18221 (OR)
Radiation Oncology Physician Taxonomy 2085R0001X · Licence MD00034102 (WA)

Record details

NPI number1568478014
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 1, 2006
Last updated in NPPESJuly 6, 2015

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolUNIVERSITY OF CALIFORNIA, SAN FRANCISCO SCHOOL OF MEDICINE
Graduated 1987 (39 years in practice)
Group practice Stanford Health Care — 3085 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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