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Nurse Practitioner

Sandra M. Marszal, NP

Works at hospitals in San Francisco, CA · California

Summary

Sandra M. Marszal, NP is a nurse practitioner at 505 Parnassus Ave, San Francisco, CA 94143. Phone: (415) 476-1000. Accepts Medicare assignment. NPI 1538476288. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

From official Medicare data

This page shows what Medicare's official clinician data says about Sandra M. Marszal, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Sandra M. Marszal accept Medicare assignment?
Yes. Medicare's clinician data says Sandra M. Marszal accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Sandra M. Marszal's NPI number?
1538476288. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Sandra M. Marszal works

Medicare's Facility Affiliation Data lists Sandra M. Marszal at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Sandra M. Marszal is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Sandra M. Marszal as a member of this group (CMS data updated October 2, 2026).

  • UCSF Dept of Surgery215 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, California →

Other nurse practitioners in San Francisco

Clinicians with the same Medicare primary specialty in San Francisco, CA — not a recommendation.

All nurse practitioners in San Francisco →

Other clinicians in UCSF Dept of Surgery

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialNP
Graduation year2019
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1538476288
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians