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Allergy/Immunology

Jessica S. Tan, MD

Sees patients in Redwood City, CA · California

Summary

Dr. Jessica S. Tan, MD is an allergist and immunologist at 1100 Veterans Blvd, Redwood City, CA 94063. Phone: (650) 299-2000. Accepts Medicare assignment. NPI 1578713707. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Allergist and immunologist (Medicare lists Allergy/Immunology)
  • Address: 1100 Veterans Blvd, Redwood City, CA 94063 · Directions (2 more locations)
  • Phone: (650) 299‑2000
  • Medicare: Accepts Medicare assignment
  • Group practice: Permanente Medical Group Inc
  • Medical school: Loma Linda University School Of Medicine · graduated 2007 (19 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Jessica S. Tan, 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 Jessica S. Tan accept Medicare assignment?
Yes. Medicare's clinician data says Jessica S. Tan 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 Jessica S. Tan's NPI number?
1578713707. 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 Jessica S. Tan is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jessica S. Tan as a member of this group (CMS data updated October 2, 2026).

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other Allergy/Immunology doctors in California →

Other allergist and immunologists in Redwood City

Clinicians with the same Medicare primary specialty in Redwood City, CA — not a recommendation.

All allergist and immunologists in Redwood City →

Other clinicians in Permanente Medical Group Inc

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

Clinician information

CredentialMD
Medical schoolLoma Linda University School Of Medicine
Graduation year2007 (19 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1578713707
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