Quick answers
- Which hospitals does Gregory S. Stacy work at?
- Medicare's official clinician data lists Gregory S. Stacy at 5 hospitals: Methodist Hospitals Inc, Northwestern Medicine Central Dupage Hospital, St Mary Medical Center Inc, The University of Chicago Medical Center and UChicago Medicine Northwest Indiana. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory S. Stacy see patients?
- Medicare's clinician data lists 3 practice locations, including Crown Point, IN, Homewood, IL and Chicago, IL. Call before your visit to confirm the address.
- What is Gregory S. Stacy's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Gregory S. Stacy accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory S. Stacy 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 S. Stacy?
- (888) 824-0200, as listed in official Medicare / NPI Registry data.
- What is Gregory S. Stacy's NPI number?
- 1952452922. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gregory S. Stacy works
Medicare's Facility Affiliation Data lists Gregory S. Stacy at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Methodist Hospitals IncGary, IN · Acute Care Hospital · CCN 150002
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · CCN 140242
- St Mary Medical Center IncHobart, IN · Acute Care Hospital · CCN 150034
- The University of Chicago Medical CenterChicago, IL · Acute Care Hospital · CCN 140088
- UChicago Medicine Northwest IndianaCrown Point, IN · Acute Care Hospital · CCN 150195
Practice locations
Addresses where Gregory S. Stacy is enrolled with Medicare (CMS data updated 2026-10-02).
- 10855 Virginia StCrown Point, IN 46307 (888) 824‑0200
- 17805 Halsted StHomewood, IL 60430 (773) 702‑1000
- 47 W Polk St, Suite G1Chicago, IL 60605 (773) 702‑1000
Group practices
Medicare enrollment lists Gregory S. Stacy as a member of this group (CMS data updated 2026-10-02).
- University of Chicago1,712 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Crown Point
Clinicians with the same Medicare primary specialty in Crown Point, IN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Washington University School Of Medicine |
| Graduation year | 1995 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1952452922 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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