Margaret Mcnairy, MD - Medicare Internal Medicine in New York, NY

Margaret Mcnairy, MD is a medicare enrolled "Hospitalist" physician in New York, New York. She went to Harvard Medical School and graduated in 2005 and has 19 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice Weill Medical College Of Cornell and her current practice location is 525 E 68th St, New York, New York. You can reach out to her office (for appointments etc.) via phone at (212) 746-4071.

Margaret Mcnairy is licensed to practice in New York (license number 257089) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1003033184.

Contact Information

Margaret Mcnairy, MD
525 E 68th St,
New York, NY 10065-4870
(212) 746-4071
Not Available

Map and Direction




Physician's Profile

Full NameMargaret Mcnairy
GenderFemale
SpecialityInternal Medicine
Experience19 Years
Location525 E 68th St, New York, New York
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Margaret Mcnairy attended and graduated from Harvard Medical School in 2005
  NPI Data:
  • NPI Number: 1003033184
  • Provider Enumeration Date: 04/19/2007
  • Last Update Date: 02/09/2012
  Medicare PECOS Information:
  • PECOS PAC ID: 0749331668
  • Enrollment ID: I20101008000000

Medical Identifiers

Medical identifiers for Margaret Mcnairy such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1003033184NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208M00000XHospitalist 257089 (New York)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
New York-presbyterian HospitalNew york, NYHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Weill Medical College Of Cornell68007090231616

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. Margaret Mcnairy allows following entities to bill medicare on her behalf.
Entity NameWeill Medical College Of Cornell
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1124170212
PECOS PAC ID: 6800709023
Enrollment ID: O20031118000661

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. Margaret Mcnairy 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
Margaret Mcnairy, MD
575 Lexington Ave,
New York, NY 10022-6102

Ph: (212) 746-4071
Margaret Mcnairy, MD
525 E 68th St,
New York, NY 10065-4870

Ph: (212) 746-4071

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.