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

Neurology

Rachel Vassar, MD

Sees patients in San Francisco, CA · California

Summary

Rachel Vassar, MD (Neurology) is enrolled with Medicare at 1 practice location in San Francisco, CA. NPI 1619403136. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Rachel Vassar, 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

NeurologyPrimary specialty
YesAccepts Medicare assignment
9Years since medical school (graduated 2017)
Boston University School Of MedicineMedical school
FemaleGender (as listed)
UCSF Medical Group Business ServicesGroup practice

Quick answers

Where does Rachel Vassar see patients?
Medicare's clinician data lists 1 practice location in San Francisco, CA. Call before your visit to confirm the address.
What is Rachel Vassar's specialty?
Medicare lists Neurology as the primary specialty.
Does Rachel Vassar accept Medicare assignment?
Yes. Medicare's clinician data says Rachel Vassar 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 Rachel Vassar's NPI number?
1619403136. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

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

Group practices

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

  • UCSF Medical Group Business Services1,598 clinicians in the group

Specialties

Find other Neurology doctors in California →

Other neurologists in San Francisco

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

All neurologists in San Francisco →

Clinician information

CredentialMD
Medical schoolBoston University School Of Medicine
Graduation year2017
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1619403136
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians