1. Home
  2. Directory
  3. Massachusetts
  4. Boston
  5. Radiology
  6. NPI Profile

KAREN J MARCUS MD
NPI 1609827666
Radiology - Radiation Oncology in Boston, MA

Active since May 15, 2006
300 LONGWOOD AVENUE, CHILDRENS HOSPITAL DEPT OF RADIATION ONCOLOGY, BOSTON, MA 02115(617) 355-8399 Get Directions Write a Review

NPPES record last updated: August 13, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Karen J Marcus Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KAREN J MARCUS MD (NPI 1609827666) is an individual radiation oncology provider in Boston, Massachusetts, licensed in Massachusetts (70801) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1609827666
Entity TypeIndividualFemale
Primary Taxonomy2085R0001X
Provider Legal NameKAREN J MARCUSCredential: MD
Location Address300 LONGWOOD AVENUE, CHILDRENS HOSPITAL DEPT OF RADIATION ONCOLOGYBoston, MA 02115
Mailing Address300 Longwood Avenue, Childrens Hospital Dept Of Radiation OncologyBoston, MA 02115 · (617) 355-8399
Phone(617) 355-8399
Sole ProprietorNo
Enumeration DateMay 15, 2006
Last NPPES UpdateAugust 13, 2007
✔ NPI 1609827666 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
License✔ Licensed in MA · 70801
Definition
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
300 LONGWOOD AVENUE, Boston, MA 02115
Open in Google Maps ↗

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KRINJEELA BAZGAIN MBBS,MS,MCH,FICO,FAI
Student in an Organized Health Care Education/Training Program
300 LONGWOOD AVENUE, FEGAN 4
BOSTON, MA 02115
Suffolk County (617) 355-6401
DR. NADINE APRAHAMIAN
Pediatrics
300 LONGWOOD AVENUE
BOSTON, MA 02115
Suffolk County (401) 338-2068
DR. ROBERT COOPER SHAMBERGER MD
Surgery (Pediatric Surgery)
300 LONGWOOD AVENUE
BOSTON, MA 02115
Suffolk County (617) 355-8326
ELENA ZION M.D.
Pediatrics (Pediatric Nephrology)
300 LONGWOOD AVENUE, BCH3038
BOSTON, MA 02115
Suffolk County (617) 355-6129
ALEXIS HEALY-WURZBURG OTR/L
Occupational Therapist
300 LONGWOOD AVENUE
BOSTON, MA 02115
Suffolk County (617) 355-6588
MRS. ALESSANDRA LEMOS DE CARVALHO M.D.
Student in an Organized Health Care Education/Training Program
300 LONGWOOD AVENUE, BOSTON CHILDREN'S HOSPITAL, HOUSESTAFF LOUNGE
BOSTON, MA 02115
Suffolk County (617) 355-6000
DR. RYAN PERKINS M.D.
Pediatrics (Pediatric Pulmonology)
300 LONGWOOD AVENUE
BOSTON, MA 02115
Suffolk County (617) 355-6000
MEREDITH GIGLIA VAN DER VELDEN M.D.
Pediatrics (Pediatric Critical Care Medicine)
300 LONGWOOD AVENUE, BOSTON CHILDREN'S HOSPITAL
BOSTON, MA 02115
Suffolk County (617) 355-7327

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Karen Marcus's NPI number?

The NPI number for Karen Marcus is 1609827666. It was assigned to this individual provider in the NPPES registry on May 15, 2006.

Where is Karen Marcus located?

Karen Marcus practices at 300 Longwood Avenue Childrens Hospital Dept Of Radiation Oncology, Boston, MA 02115. The listed phone number is (617) 355-8399.

What is Karen Marcus's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

When was this NPI record last updated?

The NPPES record for Karen Marcus was last updated on August 13, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.