Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Gastroenterology

Andrew Nett, MD

Works at hospitals in Oakland, CA · San Francisco, CA · Santa Rosa, CA · California

Summary

Andrew Nett, MD (Gastroenterology) is listed by Medicare at 5 hospitals in Oakland, CA, San Francisco, CA and Santa Rosa, CA. NPI 1871720581. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Andrew Nett, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

GastroenterologyPrimary specialty
YesAccepts Medicare assignment
17Years since medical school (graduated 2009)
Baylor College Of MedicineMedical school
MaleGender (as listed)
Sutter Bay Medical FoundationGroup practice

Quick answers

Which hospitals does Andrew Nett work at?
Medicare's official clinician data lists Andrew Nett at 5 hospitals: Alta Bates Summit Medical Center, California Pacific Medical Center - Mission Bernal…, California Pacific Medical Center- Van Ness Campus, California Pacific Medical Center-Davies Campus Hospital and Sutter Santa Rosa Regional Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Andrew Nett see patients?
Medicare's clinician data lists 1 practice location in San Francisco, CA. Call before your visit to confirm the address.
What is Andrew Nett's specialty?
Medicare lists Gastroenterology as the primary specialty.
Does Andrew Nett accept Medicare assignment?
Yes. Medicare's clinician data says Andrew Nett accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Andrew Nett?
(415) 600-0140, as listed in official Medicare / NPI Registry data.
What is Andrew Nett's NPI number?
1871720581. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Andrew Nett works

Medicare's Facility Affiliation Data lists Andrew Nett at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Andrew Nett is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Andrew Nett as a member of this group (CMS data updated 2026-10-02).

  • Sutter Bay Medical Foundation3,829 clinicians in the group

Specialties

Find other Gastroenterology doctors in California →

Other gastroenterologists in San Francisco

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

All gastroenterologists in San Francisco →

Clinician information

CredentialMD
Medical schoolBaylor College Of Medicine
Graduation year2009
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1871720581
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians