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).
- 1850 S Azusa Ave, Suite 206Hacienda Heights, CA 91745 (626) 810‑5450
- 330 S Garfield Ave, Suite 116Alhambra, CA 91801 (626) 284‑3400
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
- Allergy/Immunologyprimary
- Internal Medicinealso
Other allergist and immunologists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, San Francisco School Of Medicine |
| Graduation year | 1982 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1104977008 |
| Corrections | Report 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
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians