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

Dr. Mary Ellen A Guroy, MD

Individual provider Infectious Disease Physician · NPI 1801971882

Dr. Mary Ellen A Guroy, MD is an Infectious Disease Physician in San Rafael, 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 →

Practice location Address checks out

3260 Kerner Blvd
San Rafael, CA 94901-4840
Phone: (415) 473-4400
Fax: (415) 473-6855
Show map & directions

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

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence A37441 (CA)

Record details

NPI number1801971882
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 26, 2006
Last updated in NPPESJanuary 12, 2012

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