NPPES file of Aug 9, 2026

Gregory Guerrier, CRNA

Certified Registered Nurse Anesthetist · Rockville Centre, NY

Gregory Guerrier, CRNA is a certified registered nurse anesthetist with a practice address in Rockville Centre, New York, and NPI 1770126880, issued on Oct 21, 2019. Check the license (New York 686803, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1770126880
Name
Gregory Guerrier
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License number
686803 NY
Self-reported in NPPES; status is on the state search
Practice location
1000 N Village Ave, Rockville Centre, NY 11570
Phone
(516) 705-2525
Enumerated
Oct 21, 2019
Record last updated
Jul 21, 2022
Medicare enrollment
Enrolled (PECOS I20200212002454); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1000 N Village Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Shiby Abraham, MDPsychiatry Physician1437547437
  2. Alyssa AbramowitzPhysical Therapist1699314567
  3. Lynn Adams, NPAdult Health Nurse Practitioner1396884656
  4. Nazia Ahmad, PHARM DPharmacist1124318324
  5. Jonathan Akilov, PAPhysician Assistant1700410701
  6. Emily Alberto, DPTPhysical Therapist1013419126

Verify Gregory Guerrier in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license 686803
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualitynot scored (reweighted)
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Jamaica Anesthesiologist PCJamaica, NY
  2. New York UniversityNew York, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gregory Guerrier among 2,596 certified registered nurse anesthetist records in New York

Gregory Guerrier, CRNA is one of 2,596 certified registered nurse anesthetist records with a practice address in New York. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 68% of them.

  • NPI issued2019 · 68% of these records are older, 26% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 76% of these records are
  • Graduated2019 · median 2015 among the 1,976 with a school on file
  • Record last updated2022 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Certified Registered Nurse Anesthetist providers in New York

There are 2,596 certified registered nurse anesthetist records in New York.

The 8 certified registered nurse anesthetist records with the nearest ZIP codes

  1. Alexis AlessiRockville Centre, NY 115701710444757
  2. Joseph Biscardi, CRNARockville Centre, NY 115701437792736
  3. Patricia Bulin, CRNARockville Centre, NY 115701952312589
  4. Christine Darsan, CRNARockville Centre, NY 115701104528140
  5. Priscilla Gordon, CRNARockville Centre, NY 115701770511529
  6. Samantha Kelly, CRNARockville Centre, NY 115701275557852
  7. Sara Maccorkindale, CRNARockville Centre, NY 115701982796462
  8. Derron ThomasRockville Centre, NY 115701174927156

Common questions

What is Gregory Guerrier, CRNA's NPI number?

Gregory Guerrier, CRNA's National Provider Identifier (NPI) is 1770126880, issued on Oct 21, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Guerrier, CRNA located?

The NPPES record lists a practice address at 1000 N Village Ave, Rockville Centre, NY, 11570. Phone: (516) 705-2525. Providers update this record themselves, so call before visiting.

How can I verify Gregory Guerrier, CRNA's license?

NPPES lists New York license number 686803, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

What is Gregory Guerrier, CRNA's MIPS final score?

The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.