Quick answers
- Where does Stephen Siu see patients?
- Medicare's clinician data lists 7 practice locations, including Forest Hills, NY, Bronx, NY and Astoria, NY. Call before your visit to confirm the address.
- What is Stephen Siu's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Stephen Siu accept Medicare assignment?
- Yes. Medicare's clinician data says Stephen Siu 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 Stephen Siu?
- (718) 275-5555, as listed in official Medicare / NPI Registry data.
- What is Stephen Siu's NPI number?
- 1831732577. 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 Siu is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 10460 Queens Blvd, Suite 1cForest Hills, NY 11375 (718) 275‑5555
- 1455 W AveBronx, NY 10462 (718) 239‑1500
- 2100 Bartow Ave, Suite 211Bronx, NY 10475 (718) 671‑1000
- 2432 Grand Concourse, Rm 501Bronx, NY 10458 (718) 537‑5000
- 2747 Crescent St, Suite 206Astoria, NY 11102 (718) 626‑8181
Group practices
Medicare enrollment lists Stephen Siu as a member of this group (CMS data updated 2026-10-02).
- Advanced Dermatology PC68 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Forest Hills
Clinicians with the same Medicare primary specialty in Forest Hills, NY — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Medical school | Stanford University School Of Medicine |
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1831732577 |
| 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