Gregory Guerrier, CRNA
NPI 1770126880 · Certified Registered Nurse Anesthetist · Rockville Centre, NY
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Guerrier, CRNA is a Certified Registered Nurse Anesthetist provider in Rockville Centre, NY (NPI 1770126880).
Provider details
- NPI number
- 1770126880
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Male
- Sole proprietor
- Yes
- License
- 686803 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-10-21
- Last updated
- 2022-07-21
- Certified
- 2022-07-21
Frequently asked questions
- What is Gregory Guerrier's NPI number?
- Gregory Guerrier's National Provider Identifier (NPI) is 1770126880, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Guerrier's specialty?
- Gregory Guerrier is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gregory Guerrier located?
- Gregory Guerrier's practice location on file with NPPES is 1000 N Village Ave, Rockville Centre, NY 11570-1000.
- What is Gregory Guerrier's phone number?
- The practice phone number listed in the NPPES registry for Gregory Guerrier is (516) 705-2525.
- Does Gregory Guerrier accept Medicare?
- Gregory Guerrier is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Guerrier's NPI active?
- Yes — Gregory Guerrier's NPI (1770126880) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.