Margaret Blair Marshall, MD - Medicare Thoracic Surgery in Boston, MA

Margaret Blair Marshall, MD is a medicare enrolled "Thoracic Surgery (cardiothoracic Vascular Surgery)" physician in Boston, Massachusetts. She went to Georgetown University School Of Medicine and graduated in 1991 and has 33 years of diverse experience with area of expertise as Thoracic Surgery. She is a member of the group practice Smh Physician Services Inc and her current practice location is 75 Francis St, Boston, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (617) 732-6824.

Margaret Blair Marshall is licensed to practice in Massachusetts (license number 81394) 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 1295723724.

Contact Information

Margaret Blair Marshall, MD
75 Francis St,
Boston, MA 02115-6106
(617) 732-6824
Not Available

Map and Direction




Physician's Profile

Full NameMargaret Blair Marshall
GenderFemale
SpecialityThoracic Surgery
Experience33 Years
Location75 Francis St, Boston, Massachusetts
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 Blair Marshall attended and graduated from Georgetown University School Of Medicine in 1991
  NPI Data:
  • NPI Number: 1295723724
  • Provider Enumeration Date: 10/10/2005
  • Last Update Date: 07/12/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 8527032770
  • Enrollment ID: I20230725003744

Medical Identifiers

Medical identifiers for Margaret Blair Marshall such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1295723724NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208G00000XThoracic Surgery (cardiothoracic Vascular Surgery) MD034997 (District Of Columbia)Secondary
208G00000XThoracic Surgery (cardiothoracic Vascular Surgery) ME163715 (Florida)Secondary
208G00000XThoracic Surgery (cardiothoracic Vascular Surgery) 81394 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Sarasota Memorial HomecareSarasota, FLHome health agency
Sarasota Memorial HospitalSarasota, FLHospital
Brigham And Women's HospitalBoston, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Smh Physician Services Inc1355240177601

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 Blair Marshall allows following entities to bill medicare on her behalf.
Entity NameSmh Physician Services Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1346295292
PECOS PAC ID: 1355240177
Enrollment ID: O20031231000211

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 Blair Marshall 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 Blair Marshall, MD
Po Box 947407,
Atlanta, GA 30394-7407

Ph: (941) 917-2600
Margaret Blair Marshall, MD
75 Francis St,
Boston, MA 02115-6106

Ph: (617) 732-6824

Reviews and Comments


Thoracic Surgery (Cardiothoracic Vascular Surgery) Doctors in Boston, MA

Laurence H Brinckerhoff, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 800 Washington St, Box 7105, Boston, MA 02111
Phone: 617-636-5000    
David C Liu, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 110 Francis St, Suite 2a, Boston, MA 02215
Phone: 617-632-8383    
Christopher Thomas Ducko, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 75 Francis St, Boston, MA 02115
Phone: 617-732-6824    Fax: 617-566-3441
Gregory Stephen Couper, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: Brigham And Women's Hospital, Division Of Cardiac Surgery, Boston, MA 02115
Phone: 617-732-5500    
Dr. Niloo M Edwards, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 732 Harrison Ave, 3rd Floor, Boston, MA 02118
Phone: 617-638-5600    
John Young, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 75 Francis St, Boston, MA 02115
Phone: 617-732-6824    Fax: 617-566-3441
Chi-fu Jeffrey Yang, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 55 Fruit St, Boston, MA 02114
Phone: 617-726-6826    

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.