Mark L Defazio, MD - Medicare Obstetrics/gynecology in Brooklyn, NY

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Mark L Defazio, MD is a medicare enrolled "Obstetrics & Gynecology" physician in Brooklyn, New York. He went to State University Of New York At Stony Brook, School Of Medicine and graduated in 1986 and has 38 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 St, Brooklyn, New York. You can reach out to his office (for appointments etc.) via phone at (718) 836-3721.

Mark L Defazio is licensed to practice in New York (license number 178425) 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 1073586343.

Contact Information

Mark L Defazio, MD
1301 82nd St,
Brooklyn, NY 11228
(718) 836-3721
(718) 259-6567

Map and Direction




Physician's Profile

Full NameMark L Defazio
GenderMale
SpecialityObstetrics/gynecology
Experience38 Years
Location1301 82nd St, 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:
  • Mark L Defazio attended and graduated from State University Of New York At Stony Brook, School Of Medicine in 1986
  NPI Data:
  • NPI Number: 1073586343
  • Provider Enumeration Date: 02/08/2006
  • Last Update Date: 09/23/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 7113985417
  • Enrollment ID: I20050103000370

Medical Identifiers

Medical identifiers for Mark L Defazio such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1073586343NPI-NPPES
01223358MedicaidNY

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology 178425 (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. Mark L 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. Mark L 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
Mark L Defazio, MD
1301 82nd St, Box 26,
Brooklyn, NY 11228

Ph: (718) 836-3721		Mark L Defazio, MD
1301 82nd St,
Brooklyn, NY 11228

Ph: (718) 836-3721

Reviews and Comments


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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.