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Allergy/Immunology

Stephen C. Wong, MD

Sees patients in Hacienda Heights, CA · Alhambra, CA · California

Summary

Stephen C. Wong, MD (Allergy/Immunology) is enrolled with Medicare at 2 practice locations in Hacienda Heights, CA and Alhambra, CA. NPI 1104977008. 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 Stephen C. Wong, 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
44Years since medical school (graduated 1982)
University Of California, San Francisco School Of MedicineMedical school
MaleGender (as listed)
Modena Allergy and Asthma Inc.Group practice

Quick answers

Where does Stephen C. Wong see patients?
Medicare's clinician data lists 2 practice locations, including Hacienda Heights, CA and Alhambra, CA. Call before your visit to confirm the address.
What is Stephen C. Wong's specialty?
Medicare lists Allergy/Immunology as the primary specialty, and also Internal Medicine.
Does Stephen C. Wong accept Medicare assignment?
Yes. Medicare's clinician data says Stephen C. Wong 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 Stephen C. Wong offer telehealth?
Medicare's clinician data says Stephen C. Wong offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Stephen C. Wong?
(626) 810-5450, as listed in official Medicare / NPI Registry data.
What is Stephen C. Wong's NPI number?
1104977008. 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 Stephen C. Wong is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Modena Allergy and Asthma Inc.26 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 California, San Francisco School Of Medicine
Graduation year1982
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1104977008
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