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Gastroenterology

Karin L. Andersson, MD

Works at hospitals in Boston, MA · Newton, MA · Salem, MA … · Massachusetts, New Hampshire

Summary

Karin L. Andersson, MD (Gastroenterology) is listed by Medicare at 5 hospitals in Boston, MA, Newton, MA and Salem, MA and other places. NPI 1972585511. 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 Karin L. Andersson, 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

GastroenterologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
26Years since medical school (graduated 2000)
Yale University School Of MedicineMedical school
FemaleGender (as listed)
Massachusetts General Physicians Organization IncGroup practice (+1 more)

Quick answers

Which hospitals does Karin L. Andersson work at?
Medicare's official clinician data lists Karin L. Andersson at 5 hospitals: Brigham and Women's Hospital, Massachusetts General Hospital, Newton-Wellesley Hospital, North Shore Medical Center - and Wentworth-Douglass Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Karin L. Andersson see patients?
Medicare's clinician data lists 1 practice location in Boston, MA. Call before your visit to confirm the address.
What is Karin L. Andersson's specialty?
Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
Does Karin L. Andersson accept Medicare assignment?
Yes. Medicare's clinician data says Karin L. Andersson 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 Karin L. Andersson offer telehealth?
Medicare's clinician data says Karin L. Andersson offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Karin L. Andersson?
(617) 726-2000, as listed in official Medicare / NPI Registry data.
What is Karin L. Andersson's NPI number?
1972585511. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Karin L. Andersson works

Medicare's Facility Affiliation Data lists Karin L. Andersson 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 Karin L. Andersson is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Karin L. Andersson as a member of these groups (CMS data updated 2026-10-02).

  • Massachusetts General Physicians Organization Inc3,558 clinicians in the group
  • The General Hospital Corporation1,267 clinicians in the group

Specialties

Find other Gastroenterology doctors in Massachusetts →

Other gastroenterologists in Boston

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

All gastroenterologists in Boston →

Clinician information

CredentialMD
Medical schoolYale University School Of Medicine
Graduation year2000
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1972585511
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