Quick answers
- Where does Tammy Peng see patients?
- Medicare's clinician data lists 2 practice locations, including San Dimas, CA and City Of Industry, CA. Call before your visit to confirm the address.
- What is Tammy Peng's specialty?
- Medicare lists Allergy/Immunology as the primary specialty, and also Pediatric Medicine.
- Does Tammy Peng accept Medicare assignment?
- Yes. Medicare's clinician data says Tammy Peng 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.
- What is the phone number for Tammy Peng?
- (909) 394-2526, as listed in official Medicare / NPI Registry data.
- What is Tammy Peng's NPI number?
- 1770999765. 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 Tammy Peng is enrolled with Medicare (CMS data updated 2026-10-02).
- 1255 W Arrow HwySan Dimas, CA 91773 (909) 394‑2526
- 12801 Crossroads Pkwy SCity Of Industry, CA 91746 (800) 780‑1277
Group practices
Medicare enrollment lists Tammy Peng as a member of this group (CMS data updated 2026-10-02).
- Southern California Permanente Medical Group11,293 clinicians in the group
Specialties
- Allergy/Immunologyprimary
- Pediatric Medicinealso
Other allergist and immunologists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2011 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1770999765 |
| 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