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Internal Medicine

David Leander, MD

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

Summary

David Leander, MD (Internal Medicine) is listed by Medicare at 3 hospitals in Jamaica Plain, MA and Boston, MA. NPI 1083230593. 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 David Leander, 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
6Years since medical school (graduated 2020)
Geisel School Of Medicine At DartmouthMedical school
MaleGender (as listed)
Massachusetts General Physicians Organization IncGroup practice (+1 more)

Quick answers

Which hospitals does David Leander work at?
Medicare's official clinician data lists David Leander at 3 hospitals: Brigham and Women Faulkner Hospital, Brigham and Women's Hospital and Massachusetts General Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does David Leander see patients?
Medicare's clinician data lists 3 practice locations, including Jamaica Plain, MA and Boston, MA. Call before your visit to confirm the address.
What is David Leander's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does David Leander accept Medicare assignment?
Yes. Medicare's clinician data says David Leander 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 David Leander offer telehealth?
Medicare's clinician data says David Leander offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for David Leander?
(617) 983-7000, as listed in official Medicare / NPI Registry data.
What is David Leander's NPI number?
1083230593. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where David Leander works

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

Group practices

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

  • Massachusetts General Physicians Organization Inc3,558 clinicians in the group
  • Brigham and Womens Physicians Organization Inc2,994 clinicians in the group

Specialties

Find other Internal Medicine doctors in Massachusetts →

Other internal medicine doctors in Jamaica Plain

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

All internal medicine doctors in Jamaica Plain →

Clinician information

CredentialMD
Medical schoolGeisel School Of Medicine At Dartmouth
Graduation year2020
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1083230593
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