Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

UMASEH SIVANESAN MD
NPI 1265356133
Student in an Organized Health Care Education/Training Program in Boston, MA

Q: What is Umaseh Sivanesan's NPI number?

The NPI number for Umaseh Sivanesan is 1265356133. It was assigned to this individual provider in the NPPES registry on August 5, 2026.

Q: What is Umaseh Sivanesan's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Q: When was this NPI record last updated?

The NPPES record for Umaseh Sivanesan was last updated on August 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since August 05, 2026

800 BOYLSTON STREET, MASSACHUSETTS GENERAL BRIGHAM, BOSTON, MA 02199(617) 726-8323(617) 724-3338 Get Directions Write a Review

NPPES record added: August 5, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Umaseh Sivanesan Md NPPES

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

UMASEH SIVANESAN MD (NPI 1265356133) is an individual student in an organized health care education/training program in Boston, Massachusetts, licensed in Massachusetts (3020070) and active in the NPI registry since August 2026.

NPPES Registry Identity

NPI1265356133

Entity TypeIndividualMale

Primary Taxonomy390200000X

Provider Legal NameUMASEH SIVANESANCredential: MD

Location Address800 BOYLSTON STREET, MASSACHUSETTS GENERAL BRIGHAMBoston, MA 02199

Mailing Address800 Boylston Street, Massachusetts General BrighamBoston, MA 02199

Phone(617) 726-8323

Fax(617) 724-3338

Sole ProprietorNo

Enumeration DateAugust 5, 2026

✔ NPI 1265356133 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyStudent in an Organized Health Care Education/Training ProgramStudent, Health Care

Taxonomy Code390200000X

License✔ Licensed in MA · 3020070

Definition

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

800 BOYLSTON STREET, MASSACHUSETTS GENERAL BRIGHAM, Boston, MA 02199

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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 Umaseh Sivanesan's NPI number?

The NPI number for Umaseh Sivanesan is 1265356133. It was assigned to this individual provider in the NPPES registry on August 5, 2026.

Where is Umaseh Sivanesan located?

Umaseh Sivanesan practices at 800 Boylston Street, Massachusetts General Brigham, Boston, MA 02199. The listed phone number is (617) 726-8323.

What is Umaseh Sivanesan's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

When was this NPI record last updated?

The NPPES record for Umaseh Sivanesan was last updated on August 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.