Quick answers
- Where does David R. Chang see patients?
- Medicare's clinician data lists 4 practice locations, including Brooklyn, NY and Elmhurst, NY. Call before your visit to confirm the address.
- What is David R. Chang's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does David R. Chang accept Medicare assignment?
- Yes. Medicare's clinician data says David R. Chang 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 David R. Chang?
- (718) 339-5678, as listed in official Medicare / NPI Registry data.
- What is David R. Chang's NPI number?
- 1992970941. 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 David R. Chang is enrolled with Medicare (CMS data updated 2026-10-02).
- 214 Ave PBrooklyn, NY 11204 (718) 339‑5678
- 8708 Justice Ave, Apt 1kElmhurst, NY 11373 (718) 507‑8866
- 902 Quentin Rd, Suite 701Brooklyn, NY 11223 (718) 336‑3900
- 9921 4th AveBrooklyn, NY 11209 (718) 336‑3900
Group practices
Medicare enrollment lists David R. Chang as a member of these groups (CMS data updated 2026-10-02).
- Gastroenterology Associates of Brooklyn PLLC16 clinicians in the group
- Gastroenterology Associates of Bayridge PLLC13 clinicians in the group
- Chuansheng Wang Medical PC2 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Brooklyn
Clinicians with the same Medicare primary specialty in Brooklyn, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York Downstate Medical Center |
| Graduation year | 2008 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1992970941 |
| 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