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General Surgery

Marcus Semel, MD

Works at hospitals in Jamaica Plain, MA · Boston, MA · South Weymouth, MA · Massachusetts

Summary

Marcus Semel, MD (General Surgery) is listed by Medicare at 3 hospitals in Jamaica Plain, MA, Boston, MA and South Weymouth, MA. NPI 1124226766. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Marcus Semel, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

General SurgeryPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
21Years since medical school (graduated 2005)
University Of Rochester School Of Medicine And DentistryMedical school
MaleGender (as listed)
Brigham and Womens Physicians Organization IncGroup practice

Quick answers

Which hospitals does Marcus Semel work at?
Medicare's official clinician data lists Marcus Semel at 3 hospitals: Brigham and Women Faulkner Hospital, Brigham and Women's Hospital and South Shore Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Marcus Semel see patients?
Medicare's clinician data lists 2 practice locations, including Jamaica Plain, MA and Boston, MA. Call before your visit to confirm the address.
What is Marcus Semel's specialty?
Medicare lists General Surgery as the primary specialty.
Does Marcus Semel accept Medicare assignment?
Yes. Medicare's clinician data says Marcus Semel accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Marcus Semel offer telehealth?
Medicare's clinician data says Marcus Semel offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Marcus Semel?
(617) 983-7000, as listed in official Medicare / NPI Registry data.
What is Marcus Semel's NPI number?
1124226766. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Marcus Semel works

Medicare's Facility Affiliation Data lists Marcus Semel at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Marcus Semel is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Marcus Semel as a member of this group (CMS data updated 2026-10-02).

  • Brigham and Womens Physicians Organization Inc2,994 clinicians in the group

Specialties

Find other General Surgery doctors in Massachusetts →

Other general surgeons in Jamaica Plain

Clinicians with the same Medicare primary specialty in Jamaica Plain, MA — not a recommendation.

All general surgeons in Jamaica Plain →

Clinician information

CredentialMD
Medical schoolUniversity Of Rochester School Of Medicine And Dentistry
Graduation year2005
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1124226766
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians