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

Active since March 31, 2009PECOS Enrolled
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.

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. She is enrolled in Medicare PECOS.

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
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

Other Identifiers 1

Other860338466AZ · Tax-id

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Marlene Grenon M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94143 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Internal Medicine
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Surgery
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine (Medical Oncology)
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Surgery
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1124260534, enumerated as an "individual" on March 31, 2009.

The provider is located at 400 PARNASSUS AVE SUITE A 581 SAN FRANCISCO, CA 94143 and the phone number is (415) 353-2357.

Surgery with taxonomy code 208600000X.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.