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Allergy/Immunology

Xiao C. Wan, MD

Works at hospitals in Stanford, CA · California

Summary

Xiao C. Wan, MD (Allergy/Immunology) is listed by Medicare at 1 hospital in Stanford, CA. NPI 1295099042. 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 Xiao C. Wan, 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

Allergy/ImmunologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
14Years since medical school (graduated 2012)
University Of Pittsburgh School Of MedicineMedical school
FemaleGender (as listed)
University Healthcare AllianceGroup practice

Quick answers

Which hospitals does Xiao C. Wan work at?
Medicare's official clinician data lists Xiao C. Wan at 1 hospital: Stanford Health Care. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Xiao C. Wan see patients?
Medicare's clinician data lists 1 practice location in Menlo Park, CA. Call before your visit to confirm the address.
What is Xiao C. Wan's specialty?
Medicare lists Allergy/Immunology as the primary specialty, and also Internal Medicine.
Does Xiao C. Wan accept Medicare assignment?
Yes. Medicare's clinician data says Xiao C. Wan 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.
Does Xiao C. Wan offer telehealth?
Medicare's clinician data says Xiao C. Wan offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Xiao C. Wan?
(650) 498-6500, as listed in official Medicare / NPI Registry data.
What is Xiao C. Wan's NPI number?
1295099042. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Xiao C. Wan works

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

Group practices

Medicare enrollment lists Xiao C. Wan as a member of this group (CMS data updated 2026-10-02).

  • University Healthcare Alliance327 clinicians in the group

Specialties

Find other Allergy/Immunology doctors in California →

Other allergist and immunologists in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All allergist and immunologists in California →

Clinician information

CredentialMD
Medical schoolUniversity Of Pittsburgh School Of Medicine
Graduation year2012
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1295099042
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