Gregory V Defazio, MD - Medicare Obstetrics/gynecology in Brooklyn, NY

Gregory V Defazio, MD is a medicare enrolled "Obstetrics & Gynecology" physician in Brooklyn, New York. He went to State University Of New York Downstate Medical Center and graduated in 1991 and has 33 years of diverse experience with area of expertise as Obstetrics/gynecology. He is a member of the group practice De Fazio Obstetrics And Gynecology Pc and his current practice location is 1301 82nd Street, Brooklyn, New York. You can reach out to his office (for appointments etc.) via phone at (718) 836-3721.

Gregory V Defazio is licensed to practice in New York (license number 198761) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1164495628.

Contact Information

Gregory V Defazio, MD
1301 82nd Street,
Brooklyn, NY 11228
(718) 836-3721
(718) 259-6567

Map and Direction




Physician's Profile

Full NameGregory V Defazio
GenderMale
SpecialityObstetrics/gynecology
Experience33 Years
Location1301 82nd Street, Brooklyn, New York
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Gregory V Defazio attended and graduated from State University Of New York Downstate Medical Center in 1991
  NPI Data:
  • NPI Number: 1164495628
  • Provider Enumeration Date: 02/07/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 8224013537
  • Enrollment ID: I20040621001869

Medical Identifiers

Medical identifiers for Gregory V Defazio such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1164495628NPI-NPPES
01606046MedicaidNY

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology 198761 (New York)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
De Fazio Obstetrics And Gynecology Pc66080017633

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 V Defazio allows following entities to bill medicare on his behalf.
Entity NamePark Slope Obstetrics & Gynecology Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1487604963
PECOS PAC ID: 5395637151
Enrollment ID: O20040326000415
Entity NameDe Fazio Obstetrics & Gynecology Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1447594916
PECOS PAC ID: 6608001763
Enrollment ID: O20131025000195
Entity NameKings Physician Services Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1083045090
PECOS PAC ID: 0547579427
Enrollment ID: O20151015000175

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 V Defazio 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 V Defazio, MD
1301 82nd Street, Box 26,
Brooklyn, NY 11228

Ph: (718) 836-3721
Gregory V Defazio, MD
1301 82nd Street,
Brooklyn, NY 11228

Ph: (718) 836-3721

Reviews and Comments


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Phone: 718-879-8877    Fax: 718-879-8866

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.

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