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Internal Medicine

Karim Yatim

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

Summary

Karim Yatim (Internal Medicine) is listed by Medicare at 5 hospitals in Boston, MA, Newton, MA and Salem, MA and other places. NPI 1063874832. 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 Karim Yatim, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
13Years since medical school (graduated 2013)
University Of Pittsburgh School Of MedicineMedical school
MaleGender (as listed)
Massachusetts General Physicians Organization IncGroup practice (+1 more)

Quick answers

Which hospitals does Karim Yatim work at?
Medicare's official clinician data lists Karim Yatim 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 Karim Yatim see patients?
Medicare's clinician data lists 2 practice locations, including Boston, MA. Call before your visit to confirm the address.
What is Karim Yatim's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Karim Yatim accept Medicare assignment?
Yes. Medicare's clinician data says Karim Yatim 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 Karim Yatim offer telehealth?
Medicare's clinician data says Karim Yatim offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Karim Yatim?
(617) 726-4132, as listed in official Medicare / NPI Registry data.
What is Karim Yatim's NPI number?
1063874832. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Karim Yatim works

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

Group practices

Medicare enrollment lists Karim Yatim as a member of these groups (CMS data updated 2026-10-02).

  • Massachusetts General Physicians Organization Inc3,558 clinicians in the group
  • John L Niles MD PLLC7 clinicians in the group

Specialties

Find other Internal Medicine doctors in Massachusetts →

Other internal medicine doctors in Boston

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

All internal medicine doctors in Boston →

Clinician information

Medical schoolUniversity Of Pittsburgh School Of Medicine
Graduation year2013
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1063874832
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