Gregory Guerrier, CRNA - Medicare Certified Registered Nurse Anesthetist (crna) in Rockville Centre, NY

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Gregory Guerrier, CRNA is a medicare enrolled "Nurse Anesthetist, Certified Registered" physician in Rockville Centre, New York. He graduated from medical school in 2019 and has 5 years of diverse experience with area of expertise as Certified Registered Nurse Anesthetist (crna). He is a member of the group practice New York University, Montefiore Medical Center, Long Island Anesthesia Physicians Llp and his current practice location is 1000 N Village Ave, Rockville Centre, New York. You can reach out to his office (for appointments etc.) via phone at (516) 705-2525.

Gregory Guerrier is licensed to practice in New York (license number 686803) and he also participates in the medicare program. He may accept medicare assignments (which means he may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and his NPI Number is 1770126880.

Contact Information

Gregory Guerrier, CRNA
1000 N Village Ave,
Rockville Centre, NY 11570-1000
(516) 705-2525
Not Available

Map and Direction




Physician's Profile

Full NameGregory Guerrier
GenderMale
SpecialityCertified Registered Nurse Anesthetist (crna)
Experience5 Years
Location1000 N Village Ave, Rockville Centre, New York
Accepts Medicare AssignmentsMay be. He may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Gregory Guerrier graduated from medical school in 2019
  NPI Data:
  • NPI Number: 1770126880
  • Provider Enumeration Date: 10/21/2019
  • Last Update Date: 07/21/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 3274969134
  • Enrollment ID: I20200212002454

Medical Identifiers

Medical identifiers for Gregory Guerrier such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1770126880NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology 686803 (New York)Secondary
367500000XNurse Anesthetist, Certified Registered 686803 (New York)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
New York University Langone Medical CenterNew york, NYHospital
Mercy Medical CenterRockville centre, NYHospital
Montefiore Medical CenterBronx, NYHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
New York University13552324224495
Montefiore Medical Center37794960212071
Long Island Anesthesia Physicians Llp7113825381118

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Gregory Guerrier allows following entities to bill medicare on his behalf.
Entity NameMontefiore Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1063525152
PECOS PAC ID: 3779496021
Enrollment ID: O20031113000235
Entity NameLong Island Anesthesia Physicians Llp
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1952387276
PECOS PAC ID: 7113825381
Enrollment ID: O20040106000103
Entity NameNew York University
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1851456701
PECOS PAC ID: 1355232422
Enrollment ID: O20040329001569
Entity NameJamaica Anesthesiologist Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1508812892
PECOS PAC ID: 1355323460
Enrollment ID: O20040602001672
Entity NameUpstate Anesthesia Services, P.c.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1629272141
PECOS PAC ID: 0840383857
Enrollment ID: O20070907000237

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Gregory Guerrier is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Gregory Guerrier, CRNA
155 Cross Creek Pkwy Apt 425,
Hattiesburg, MS 39402-4425

Ph: (516) 297-6844		Gregory Guerrier, CRNA
1000 N Village Ave,
Rockville Centre, NY 11570-1000

Ph: (516) 705-2525

Reviews and Comments



Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.