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Hematology/Oncology

Karen Quillen, MD

Works at hospitals in Boston, MA · Massachusetts

Summary

Karen Quillen, MD (Hematology/Oncology) is listed by Medicare at 1 hospital in Boston, MA. NPI 1750354130. 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 Karen Quillen, 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

Hematology/OncologyPrimary specialty
YesAccepts Medicare assignment
35Years since medical school (graduated 1991)
FemaleGender (as listed)
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr IncGroup practice

Quick answers

Which hospitals does Karen Quillen work at?
Medicare's official clinician data lists Karen Quillen at 1 hospital: Beth Israel Deaconess Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Karen Quillen see patients?
Medicare's clinician data lists 1 practice location in Boston, MA. Call before your visit to confirm the address.
What is Karen Quillen's specialty?
Medicare lists Hematology/Oncology as the primary specialty, and also Internal Medicine.
Does Karen Quillen accept Medicare assignment?
Yes. Medicare's clinician data says Karen Quillen 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.
What is the phone number for Karen Quillen?
(617) 754-8612, as listed in official Medicare / NPI Registry data.
What is Karen Quillen's NPI number?
1750354130. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Karen Quillen works

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

Group practices

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

  • Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc1,740 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Massachusetts →

Other hematologist-oncologists in Boston

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

All hematologist-oncologists in Boston →

Clinician information

CredentialMD
Graduation year1991
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1750354130
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