Margaret M Hefferon, FNP-BC - Medicare Nurse Practitioner in Chicago, IL

Margaret M Hefferon, FNP-BC is a medicare enrolled "Nurse Practitioner - Family" in Chicago, Illinois. She graduated from nursing school in 2011 and has 13 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Northwestern Medical Faculty Foundation and her current practice location is 680 N Lake Shore Dr, Suite 830, Chicago, Illinois. You can reach out to her office (for appointments etc.) via phone at (312) 943-7850.

Margaret M Hefferon is licensed to practice in Illinois (license number 209.009563) 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 1477817138.

Contact Information

Margaret M Hefferon, FNP-BC
680 N Lake Shore Dr, Suite 830,
Chicago, IL 60611-4546
(312) 943-7850
(312) 943-2955

Map and Direction




Provider's Profile

Full NameMargaret M Hefferon
GenderFemale
SpecialityNurse Practitioner
Experience13 Years
Location680 N Lake Shore Dr, Chicago, Illinois
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 M Hefferon graduated from nursing school in 2011
  NPI Data:
  • NPI Number: 1477817138
  • Provider Enumeration Date: 06/27/2012
  • Last Update Date: 03/03/2014
  Medicare PECOS Information:
  • PECOS PAC ID: 5294985461
  • Enrollment ID: I20121024000291

Medical Identifiers

Medical identifiers for Margaret M Hefferon such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1477817138NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LF0000XNurse Practitioner - Family 209.009563 (Illinois)Primary
163W00000XRegistered Nurse 041.350457 (Illinois)Secondary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Northwestern Medical Faculty Foundation45875768143352

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 M Hefferon allows following entities to bill medicare on her behalf.
Entity NameNorthwestern Medical Faculty Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1346235314
PECOS PAC ID: 4587576814
Enrollment ID: O20031105000541

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 M Hefferon 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 M Hefferon, FNP-BC
680 N Lake Shore Dr, Suite 830,
Chicago, IL 60611-4546

Ph: (312) 943-7850
Margaret M Hefferon, FNP-BC
680 N Lake Shore Dr, Suite 830,
Chicago, IL 60611-4546

Ph: (312) 943-7850

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).

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