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

Marlene Grenon, MD

Individual provider Surgery Physician · NPI 1124260534

Marlene Grenon, MD is a Surgery Physician in San Francisco, California. Licensed in Arizona. Registered with an NPI since 2009.

Licensed in
AZ
In the registry since
2009
Specialties on file
2
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

400 Parnassus Ave Ste A 581
San Francisco, CA 94143-2202
Phone: (415) 353-2357
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 41320 (AZ)
Vascular Surgery Physician Taxonomy 2086S0129X · Licence 41320 (AZ)

Record details

NPI number1124260534
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 31, 2009
Last updated in NPPESFebruary 10, 2010

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