Quick answers
- Where does Chien K. Chiang see patients?
- Medicare's clinician data lists 2 practice locations, including New York, NY and Flushing, NY. Call before your visit to confirm the address.
- What is Chien K. Chiang's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Gastroenterology.
- Does Chien K. Chiang accept Medicare assignment?
- Yes. Medicare's clinician data says Chien K. Chiang 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 Chien K. Chiang?
- (212) 941-7856, as listed in official Medicare / NPI Registry data.
- What is Chien K. Chiang's NPI number?
- 1255341723. 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 Chien K. Chiang is enrolled with Medicare (CMS data updated 2026-10-02).
- 109 Lafayette St, Rm 701New York, NY 10013 (212) 941‑7856
- 3916 Prince St, Suite 253Flushing, NY 11354 (718) 886‑0575
Specialties
- Internal Medicineprimary
- Gastroenterologyalso
Other internal medicine doctors in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York At Stony Brook, School Of Medicine |
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1255341723 |
| 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