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Emergency Medicine

Jacqueline M. Grupp Phelan, MD

Sees patients in San Francisco, CA · California

Summary

Dr. Jacqueline M. Grupp Phelan, MD is an emergency medicine doctor at 400 Parnassus Ave, San Francisco, CA 94143. Phone: (415) 476-1000. Accepts Medicare assignment. NPI 1619904109. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 400 Parnassus Ave, San Francisco, CA 94143 · Directions (1 more location)
  • Phone: (415) 476‑1000
  • Medicare: Accepts Medicare assignment
  • Group practice: University of California San Francisco (+1 more)
  • Medical school: University Of Cincinnati College Of Medicine · graduated 1990 (36 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Jacqueline M. Grupp Phelan, 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 Jacqueline M. Grupp Phelan accept Medicare assignment?
Yes. Medicare's clinician data says Jacqueline M. Grupp Phelan 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 Jacqueline M. Grupp Phelan's NPI number?
1619904109. 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 Jacqueline M. Grupp Phelan is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jacqueline M. Grupp Phelan as a member of these groups (CMS data updated October 2, 2026).

  • University of California San Francisco1,839 clinicians in the group
  • UCSF Medical Group Business Services1,598 clinicians in the group

Specialties

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in San Francisco

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

All emergency medicine doctors in San Francisco →

Other clinicians in University of California San Francisco

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

Clinician information

CredentialMD
Medical schoolUniversity Of Cincinnati College Of Medicine
Graduation year1990 (36 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1619904109
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 October 2, 2026, retrieved October 29, 2026
  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