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Allergy/Immunology

Stephanie A. Johannes, MD

Sees patients in San Francisco, CA · California

Summary

Dr. Stephanie A. Johannes, MD is an allergist and immunologist at 505 Parnassus Ave, San Francisco, CA 94143. Phone: (415) 476-1000. Accepts Medicare assignment. NPI 1225560022. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Allergist and immunologist (Medicare lists Allergy/Immunology)
  • Address: 505 Parnassus Ave, San Francisco, CA 94143 · Directions
  • Phone: (415) 476‑1000
  • Medicare: Accepts Medicare assignment
  • Group practice: Regents of the University of California - UCSF
  • Medical school: graduated 2016 (10 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Stephanie A. Johannes, 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 Stephanie A. Johannes accept Medicare assignment?
Yes. Medicare's clinician data says Stephanie A. Johannes 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 Stephanie A. Johannes's NPI number?
1225560022. 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 Stephanie A. Johannes is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Stephanie A. Johannes as a member of this group (CMS data updated October 2, 2026).

  • Regents of the University of California - UCSF80 clinicians in the group

Specialties

Find other Allergy/Immunology doctors in California →

Other allergist and immunologists in San Francisco

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

All allergist and immunologists in San Francisco →

Other clinicians in Regents of the University of California - UCSF

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

Clinician information

CredentialMD
Graduation year2016 (10 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1225560022
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