Regan H Marsh, MD - Medicare Emergency Medicine in Boston, MA

Regan H Marsh, MD is a medicare enrolled "Emergency Medicine" physician in Boston, Massachusetts. She went to Perelman School Of Med At The University Of Pennsylvania and graduated in 2004 and has 20 years of diverse experience with area of expertise as Emergency Medicine. She is a member of the group practice Brigham And Womens Physicians Organization Inc and her current practice location is Brigham And Women's Hospital, 75 Francis St/emergency Medicine, Boston, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (617) 732-8070.

Regan H Marsh is licensed to practice in Massachusetts (license number 230033) 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 1740215730.

Contact Information

Regan H Marsh, MD
Brigham And Women's Hospital, 75 Francis St/emergency Medicine,
Boston, MA 02115
(617) 732-8070
Not Available

Map and Direction




Physician's Profile

Full NameRegan H Marsh
GenderFemale
SpecialityEmergency Medicine
Experience20 Years
LocationBrigham And Women's Hospital, 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:
  • Regan H Marsh attended and graduated from Perelman School Of Med At The University Of Pennsylvania in 2004
  NPI Data:
  • NPI Number: 1740215730
  • Provider Enumeration Date: 07/11/2006
  • Last Update Date: 01/05/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 9739225772
  • Enrollment ID: I20091006000354

Medical Identifiers

Medical identifiers for Regan H Marsh such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1740215730NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 230033 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Brigham And Women's HospitalBoston, MAHospital
Faulkner Hospital-brigham And Women'sBoston, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Brigham And Womens Physicians Organization Inc38704059882511

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. Regan H Marsh allows following entities to bill medicare on her 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. Regan H Marsh 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
Regan H Marsh, MD
16 Woodholm Rd,
Manchester By The Sea, MA 01944-1042

Ph: (617) 435-9171
Regan H Marsh, MD
Brigham And Women's Hospital, 75 Francis St/emergency Medicine,
Boston, MA 02115

Ph: (617) 732-8070

Reviews and Comments


Emergency Medicine Doctors in Boston, MA

Yeu-shin Cindy Chang, M.D., M.P.H.
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Medicare: Accepting Medicare Assignments
Practice Location: 75 Francis St, Bwh Dept. Of Emergency Medicine, Boston, MA 02115
Phone: 617-732-8070    
Lorenzo Albala, MD
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Practice Location: 55 Fruit St, Boston, MA 02114
Phone: 617-724-4068    
Dr. Jacob Ari Hurwitz, MD MPH
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Practice Location: 55 Fruit St, Boston, MA 02114
Phone: 617-724-4068    
Christopher Lites, MD
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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.