Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Regan H Marsh, MD

Individual provider Emergency Medicine Physician · NPI 1740215730

Regan H Marsh, MD is an Emergency Medicine in Boston, Massachusetts. Graduated from Perelman School of Med at the University of Pennsylvania in 2004, 22 years ago. Practices with Brigham and Womens Physicians Organization Inc, a 2,916-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
22
Trained at
Perelman School of Med at the University of Pennsylvania
Licensed in
MA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Partly verified

Some contact details are missing from the federal record.

Brigham And Women's Hospital 75 Francis St/emergency Medicine
Boston, MA 02115
Phone: (617) 732-8070
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • Corner Of Route N12 And N7, Fort Defiance, AZ 86504-0649 — (928) 729-8000

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 230033 (MA)

Record details

NPI number1740215730
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 11, 2006
Last updated in NPPESMarch 14, 2025
Certification dateMarch 12, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolPERELMAN SCHOOL OF MED AT THE UNIVERSITY OF PENNSYLVANIA
Graduated 2004 (22 years in practice)
Group practice Brigham And Womens Physicians Organization Inc — 2916 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Boston