Quick answers
- Where does Gregory A. Wiener see patients?
- Medicare's clinician data lists 1 practice location in Chicago, IL. Call before your visit to confirm the address.
- What is Gregory A. Wiener's specialty?
- Medicare lists Plastic and Reconstructive Surgery as the primary specialty.
- Does Gregory A. Wiener accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory A. Wiener 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 Gregory A. Wiener?
- (773) 763-3990, as listed in official Medicare / NPI Registry data.
- What is Gregory A. Wiener's NPI number?
- 1609969765. 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 Gregory A. Wiener is enrolled with Medicare (CMS data updated 2026-10-02).
- 5440 N Cumberland Ave, Suite 105Chicago, IL 60656 (773) 763‑3990
Specialties
Find other Plastic and Reconstructive Surgery doctors in Illinois →
Other plastic surgeons in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1609969765 |
| 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