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Internal Medicine

Elizabeth Kass, MD

Works at hospitals in Milton, MA · Needham, MA · Boston, MA … · Massachusetts

Summary

Elizabeth Kass, MD (Internal Medicine) is listed by Medicare at 5 hospitals in Milton, MA, Needham, MA and Boston, MA and other places. NPI 1710906169. 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 Elizabeth Kass, 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
41Years since medical school (graduated 1985)
University Of Massachusetts Medical SchoolMedical school
FemaleGender (as listed)
Atrius Health IncGroup practice

Quick answers

Which hospitals does Elizabeth Kass work at?
Medicare's official clinician data lists Elizabeth Kass at 5 hospitals: Beth Israel Deaconess Hospital - Milton, Beth Israel Deaconess Hospital - Needham, Beth Israel Deaconess Medical Center, Brigham and Women Faulkner Hospital and Brigham and Women's Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Elizabeth Kass see patients?
Medicare's clinician data lists 1 practice location in Boston, MA. Call before your visit to confirm the address.
What is Elizabeth Kass's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Elizabeth Kass accept Medicare assignment?
Yes. Medicare's clinician data says Elizabeth Kass 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 Elizabeth Kass offer telehealth?
Medicare's clinician data says Elizabeth Kass offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Elizabeth Kass?
(617) 421-1000, as listed in official Medicare / NPI Registry data.
What is Elizabeth Kass's NPI number?
1710906169. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Elizabeth Kass works

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

Group practices

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

  • Atrius Health Inc1,222 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

CredentialMD
Medical schoolUniversity Of Massachusetts Medical School
Graduation year1985
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1710906169
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