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Hospitalist

Seth Blumberg, MD

Works at hospitals in San Francisco, CA · California

Summary

Seth Blumberg, MD (Hospitalist) is listed by Medicare at 2 hospitals in San Francisco, CA. NPI 1255595443. 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 Seth Blumberg, 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

HospitalistPrimary specialty
YesAccepts Medicare assignment
18Years since medical school (graduated 2008)
University Of Michigan Medical SchoolMedical school
MaleGender (as listed)
Regents of the University of CaliforniaGroup practice

Quick answers

Which hospitals does Seth Blumberg work at?
Medicare's official clinician data lists Seth Blumberg at 2 hospitals: UCSF Health St. Mary's Hospital and UCSF Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Seth Blumberg see patients?
Medicare's clinician data lists 2 practice locations, including San Francisco, CA. Call before your visit to confirm the address.
What is Seth Blumberg's specialty?
Medicare lists Hospitalist as the primary specialty, and also Internal Medicine.
Does Seth Blumberg accept Medicare assignment?
Yes. Medicare's clinician data says Seth Blumberg 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 Seth Blumberg?
(415) 476-4029, as listed in official Medicare / NPI Registry data.
What is Seth Blumberg's NPI number?
1255595443. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Seth Blumberg works

Medicare's Facility Affiliation Data lists Seth Blumberg 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 Seth Blumberg is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Regents of the University of California732 clinicians in the group

Specialties

Find other Hospitalist doctors in California →

Other hospitalists in San Francisco

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

All hospitalists in San Francisco →

Clinician information

CredentialMD
Medical schoolUniversity Of Michigan Medical School
Graduation year2008
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1255595443
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