Quick answers
- Which hospitals does Gregory Guerrier work at?
- Medicare's official clinician data lists Gregory Guerrier at 1 hospital: NYU Langone Hospitals. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory Guerrier see patients?
- Medicare's clinician data lists 3 practice locations, including New York, NY and Jamaica, NY. Call before your visit to confirm the address.
- What is Gregory Guerrier's specialty?
- Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
- Does Gregory Guerrier accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory Guerrier 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 Guerrier?
- (718) 206-6088, as listed in official Medicare / NPI Registry data.
- What is Gregory Guerrier's NPI number?
- 1770126880. 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 Guerrier works
Medicare's Facility Affiliation Data lists Gregory Guerrier at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- NYU Langone HospitalsNew York, NY · Acute Care Hospital · CCN 330214
Practice locations
Addresses where Gregory Guerrier is enrolled with Medicare (CMS data updated 2026-10-02).
- 530 1st AveNew York, NY 10016
- 550 1st AveNew York, NY 10016
- 8900 Van Wyck ExpyJamaica, NY 11418 (718) 206‑6088
Group practices
Medicare enrollment lists Gregory Guerrier as a member of these groups (CMS data updated 2026-10-02).
- New York University6,134 clinicians in the group
- Jamaica Anesthesiologist PC80 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), New York →
Other nurse anesthetists in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Clinician information
| Graduation year | 2019 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1770126880 |
| 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