Dr Luke Michael Messac, MD - Medicare Emergency Medicine in Boston, MA

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Dr Luke Michael Messac, MD is a medicare enrolled "Emergency Medicine" physician in Boston, Massachusetts. His current practice location is 75 Francis St, Boston, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (617) 732-5500.

Dr Luke Michael Messac is licensed to practice in Massachusetts (license number 291239) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1679065197.

Contact Information

Dr Luke Michael Messac, MD
75 Francis St,
Boston, MA 02115-6110
(617) 732-5500
Not Available

Map and Direction




Physician's Profile

Full NameDr Luke Michael Messac
GenderMale
SpecialityEmergency Medicine
Location75 Francis St, Boston, Massachusetts
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1679065197
  • Provider Enumeration Date: 05/31/2018
  • Last Update Date: 06/15/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 8628323870
  • Enrollment ID: I20220628002598

Medical Identifiers

Medical identifiers for Dr Luke Michael Messac such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1679065197NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine LP04303 (Rhode Island)Secondary
207P00000XEmergency Medicine 291239 (Massachusetts)Primary

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. Dr Luke Michael Messac allows following entities to bill medicare on his behalf.
Entity NameBrigham & Womens Physicians Organization Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1033535497
PECOS PAC ID: 3870405988
Enrollment ID: O20150107001260

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. Dr Luke Michael Messac 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
Dr Luke Michael Messac, MD
75 Francis St,
Boston, MA 02115-6110

Ph: (617) 732-5500		Dr Luke Michael Messac, MD
75 Francis St,
Boston, MA 02115-6110

Ph: (617) 732-5500

Reviews and Comments


Emergency Medicine Doctors in Boston, MA

Yeu-shin Cindy Chang, M.D., M.P.H.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 75 Francis St, Bwh Dept. Of Emergency Medicine, Boston, MA 02115
Phone: 617-732-8070    
Lorenzo Albala, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 55 Fruit St, Boston, MA 02114
Phone: 617-724-4068    
Dr. Jacob Ari Hurwitz, MD MPH
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 55 Fruit St, Boston, MA 02114
Phone: 617-724-4068    
Christopher Lites, MD
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 330 Brookline Ave, Boston, MA 02215
Phone: 617-667-7000    
Aneesh T Narang, MD
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 1 Boston Medical Ctr Pl, Dowling 1 South, Boston, MA 02118
Phone: 617-414-5481    Fax: 617-414-7759
Dr. Justin Thomas Pitman, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 75 Francis St, Neville House - 236a, Boston, MA 02115
Phone: 617-732-8070    
Dr. Nadine Youssef, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 750 Washington St, Box 311 / Department Of Emergency Medicine, Boston, MA 02111
Phone: 617-636-4723    

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.