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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. DAVID T SCADDEN JR. MD
NPI 1609829852
Internal Medicine - Hematology & Oncology in Boston, MA

Active since May 18, 2006
100 BLOSSOM STREET OOX 210, HEMATOLOGY ONCOLOGY ASSOCIATES, BOSTON, MA 02114(617) 726-5615(617) 726-4691 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Dr. David T Scadden Jr. Md NPPES

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

DR. DAVID T SCADDEN JR. MD (NPI 1609829852) is an individual hematology & oncology provider in Boston, Massachusetts, licensed in Massachusetts (50176) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1609829852
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. DAVID T SCADDEN JR.Credential: MD
Location Address100 BLOSSOM STREET OOX 210, HEMATOLOGY ONCOLOGY ASSOCIATESBoston, MA 02114-2617
Mailing AddressPo Box 9142, Mass General Physician OrganizationCharlestown, MA 02129-9142 · (617) 724-0287 · Fax (617) 726-2894
Phone(617) 726-5615
Fax(617) 726-4691
Sole ProprietorNo
Enumeration DateMay 18, 2006
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1609829852 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in MA · 50176
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Also ListedInternal MedicineTaxonomy 207R00000X · License 50176 (MA)
100 BLOSSOM STREET OOX 210, Boston, MA 02114
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Other Identifiers 3

OtherJ07286MA · Bcbs Ma
Medicaid3032361MA
Other709676MA · Tufts Health Plan

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 David Scadden's NPI number?

The NPI number for David Scadden is 1609829852. It was assigned to this individual provider in the NPPES registry on May 18, 2006.

Where is David Scadden located?

David Scadden practices at 100 Blossom Street Oox 210 Hematology Oncology Associates, Boston, MA 02114. The listed phone number is (617) 726-5615.

What is David Scadden's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

When was this NPI record last updated?

The NPPES record for David Scadden was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 days 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.