Quick answers
- Which hospitals does Gregory J. Gullo work at?
- Medicare's official clinician data lists Gregory J. Gullo at 4 hospitals: Advocate Sherman Hospital, Alexian Brothers Medical Center 1, Northwestern Medicine Central Dupage Hospital and St Alexius Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory J. Gullo see patients?
- Medicare's clinician data lists 6 practice locations, including Bartlett, IL, Addison, IL and Hoffman Estates, IL. Call before your visit to confirm the address.
- What is Gregory J. Gullo's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Gregory J. Gullo accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory J. Gullo 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 J. Gullo?
- (630) 716-7500, as listed in official Medicare / NPI Registry data.
- What is Gregory J. Gullo's NPI number?
- 1780789750. 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 J. Gullo works
Medicare's Facility Affiliation Data lists Gregory J. Gullo at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Advocate Sherman HospitalElgin, IL · Acute Care Hospital · CCN 140030
- Alexian Brothers Medical Center 1Elk Grove Village, IL · Acute Care Hospital · CCN 140258
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · CCN 140242
- St Alexius Medical CenterHoffman Estates, IL · Acute Care Hospital · CCN 140290
Practice locations
Addresses where Gregory J. Gullo is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 1041 W Stearns RdBartlett, IL 60103 (630) 716‑7500
- 1339 W Lake StAddison, IL 60101 (847) 981‑5767
- 1555 Barrington RdHoffman Estates, IL 60169
- 1786 Moon Lake BlvdHoffman Est, IL 60194 (847) 755‑8208
- 361 W Golf RdSchaumburg, IL 60195 (847) 952‑7447
Group practices
Medicare enrollment lists Gregory J. Gullo as a member of this group (CMS data updated 2026-10-02).
- Bonaventure Medical Foundation LLC167 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Bartlett
Clinicians with the same Medicare primary specialty in Bartlett, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1989 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1780789750 |
| 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