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Nephrology

Abraham Cohen-Bucay, MD

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

Summary

Abraham Cohen-Bucay, MD (Nephrology) is listed by Medicare at 5 hospitals in Boston, MA, Newton, MA and Salem, MA and other places. NPI 1013228022. 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 Abraham Cohen-Bucay, 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

NephrologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
18Years since medical school (graduated 2008)
MaleGender (as listed)
Massachusetts General Physicians Organization IncGroup practice (+1 more)

Quick answers

Which hospitals does Abraham Cohen-Bucay work at?
Medicare's official clinician data lists Abraham Cohen-Bucay 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 Abraham Cohen-Bucay see patients?
Medicare's clinician data lists 1 practice location in Boston, MA. Call before your visit to confirm the address.
What is Abraham Cohen-Bucay's specialty?
Medicare lists Nephrology as the primary specialty, and also Internal Medicine.
Does Abraham Cohen-Bucay accept Medicare assignment?
Yes. Medicare's clinician data says Abraham Cohen-Bucay 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 Abraham Cohen-Bucay offer telehealth?
Medicare's clinician data says Abraham Cohen-Bucay offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Abraham Cohen-Bucay?
(617) 726-2000, as listed in official Medicare / NPI Registry data.
What is Abraham Cohen-Bucay's NPI number?
1013228022. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Abraham Cohen-Bucay works

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

Group practices

Medicare enrollment lists Abraham Cohen-Bucay 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 Nephrology doctors in Massachusetts →

Other nephrologists in Boston

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

All nephrologists in Boston →

Clinician information

CredentialMD
Graduation year2008
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1013228022
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