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MR. STEVEN PAUL MARGOSSIAN MD PHD
NPI 1922067529
Pediatrics - Pediatric Hematology-Oncology in Boston, MA

Active since March 22, 2006PECOS Enrolled
44 BINNEY ST, DANA 3, BOSTON, MA 02115(617) 632-6793(617) 632-4410 Get Directions Write a Review

NPPES record last updated: September 12, 2007. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Mr. Steven Paul Margossian Md Phd NPPES

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

MR. STEVEN PAUL MARGOSSIAN MD PHD (NPI 1922067529) is an individual pediatric hematology-oncology provider in Boston, Massachusetts, licensed in Massachusetts (204824) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1922067529
Entity TypeIndividualMale
Primary Taxonomy2080P0207X
Provider Legal NameMR. STEVEN PAUL MARGOSSIANCredential: MD PHD
Location Address44 BINNEY ST, DANA 3Boston, MA 02115-6013
Mailing Address44 Binney St, Dana 3Boston, MA 02115-6013 · (617) 632-6793 · Fax (617) 632-4410
Phone(617) 632-6793
Fax(617) 632-4410
Sole ProprietorNo
Enumeration DateMarch 22, 2006
Last NPPES UpdateSeptember 12, 2007
✔ NPI 1922067529 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0207X
License✔ Licensed in MA · 204824
Definition
A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.
44 BINNEY ST, Boston, MA 02115
Open in Google Maps ↗

Other Identifiers 8

Medicare ID-Type UnspecifiedA35343
Other206428Hphc
Other204824Tufts
Other0405084Cigna
OtherJ25850MA · Blue Cross Blue Shield
Other80303Fallon Community Health P
Medicare UPINH84881
Other2005280MA · Masshealth

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Steven Paul Margossian Md Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Steven Margossian reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Dana-Farber Cancer Institute, Inc.
0.1 mi
General Acute Care Hospital
450 BROOKLINE AVE
Boston, MA 02215
  • Reassigned Medicare billing, Massachusetts enrollment
  • 1,026 clinicians in this Medicare group
NPI 1851333686 (617) 632-3000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

MS. LAURIE APPLEBY N.P.
Nurse Practitioner (Adult Health)
44 BINNEY ST
BOSTON, MA 02115
Suffolk County (617) 632-2648
MS. ALEXANDRA SUSANA PEREZ M.S.
Genetic Counselor, MS
44 BINNEY ST, SMITH BUILDING 271
BOSTON, MA 02115
Suffolk County (617) 582-8283
JAMES DOUGLAS GRIFFIN MD
Internal Medicine (Medical Oncology)
44 BINNEY ST, DANA-FARBER CANCER INSTITUTE
BOSTON, MA 02115
Suffolk County (617) 632-3360
HEATHER ANNE TRAFTON PA C
Physician Assistant
44 BINNEY ST, DANA PARKER CANCER INSTITUTE
BOSTON, MA 02115
Suffolk County (617) 525-7379
SHILPA M HATTANGADI MD
Pediatrics (Pediatric Hematology-Oncology)
44 BINNEY ST
BOSTON, MA 02115
Suffolk County (617) 632-6296
JO ANN FUGAZZOTTO APRN-BC
Nurse Practitioner (Acute Care)
44 BINNEY ST, SUITE SW460
BOSTON, MA 02115
Suffolk County (617) 632-6934
DR. RAMEEN BEROUKHIM MD
Internal Medicine (Medical Oncology)
44 BINNEY ST
BOSTON, MA 02115
Suffolk County (617) 632-3779
DR. SUSAN D BLOCK MD
Psychiatry & Neurology (Psychiatry)
44 BINNEY ST, SW411
BOSTON, MA 02115
Suffolk County (617) 632-6181

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 Steven Margossian's NPI number?

The NPI number for Steven Margossian is 1922067529. It was assigned to this individual provider in the NPPES registry on March 22, 2006.

Where is Steven Margossian located?

Steven Margossian practices at 44 Binney St Dana 3, Boston, MA 02115. The listed phone number is (617) 632-6793.

What is Steven Margossian's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.

Is Steven Margossian enrolled in Medicare?

Yes. Steven Margossian is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Steven Margossian's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Steven Margossian reassigns Medicare benefits to Dana-Farber Cancer Institute, Inc. (Boston, MA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Steven Margossian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Steven Margossian was last updated on September 12, 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.