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

Margaret M. Guo, MD

Individual provider Hospitalist Physician · NPI 1760566764

Margaret M. Guo, MD is an Internal Medicine in Santa Rosa, California. Graduated from State University of New York at Stony Brook, School of Medicine in 1999, 27 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
27
Trained at
State University of New York at Stony Brook, School of Medicine
Licensed in
CA
In the registry since
2006
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

401 Bicentennial Way
Santa Rosa, CA 95403-2149
Phone: (707) 571-4000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence A76449 (CA)

Record details

NPI number1760566764
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 25, 2006
Last updated in NPPESDecember 8, 2021

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesPAIN MANAGEMENT
Medical schoolSTATE UNIVERSITY OF NEW YORK AT STONY BROOK, SCHOOL OF MEDICINE
Graduated 1999 (27 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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