MARLENE GRENON M.D.
NPI 1124260534
Surgery in San Francisco, CA

Q: What is Marlene Grenon's NPI number?

The NPI number for Marlene Grenon is 1124260534. It was assigned to this individual provider in the NPPES registry on March 31, 2009.

Q: What is Marlene Grenon's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Q: When was this NPI record last updated?

The NPPES record for Marlene Grenon was last updated on February 10, 2010. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since March 31, 2009

400 PARNASSUS AVE, SUITE A 581, SAN FRANCISCO, CA 94143(415) 353-2357 Get Directions Write a Review

NPPES record last updated: February 10, 2010. Verified against the NPPES registry weekly; last sync: July 19, 2026.

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About Marlene Grenon M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARLENE GRENON M.D. (NPI 1124260534) is an individual surgery provider in San Francisco, California, licensed in Arizona (41320) and active in the NPI registry since March 2009.

NPPES Registry Identity

NPI1124260534

Entity TypeIndividualFemale

Primary Taxonomy208600000X

Provider Legal NameMARLENE GRENONCredential: M.D.

Location Address400 PARNASSUS AVE, SUITE A 581San Francisco, CA 94143-2202

Mailing Address400 Parnassus Ave, Suite A 581San Francisco, CA 94143-2202

Phone(415) 353-2357

Sole ProprietorNo

Enumeration DateMarch 31, 2009

Last NPPES UpdateFebruary 10, 2010

✔ NPI 1124260534 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

License✔ Licensed in AZ · 41320

Definition

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Also ListedSurgery · Vascular SurgeryTaxonomy 2086S0129X · License 41320 (AZ)

400 PARNASSUS AVE, San Francisco, CA 94143

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Other Identifiers 1

Other860338466AZ · Tax-id

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. LLOYD DAMON MD

Internal Medicine (Medical Oncology)