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MASS GENERAL HOSPITAL
NPI 1649256504
Special Hospital in Boston, MA

Active since December 21, 2005
FRUIT ST, CLN 340, BOSTON, MA 02114(617) 547-1620 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mass General Hospital NPPES

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

MASS GENERAL HOSPITAL (NPI 1649256504) is a healthcare organization registered as a special hospital in Boston, Massachusetts and active in the NPI registry since December 2005. The organization lists Robert Ackerman, Md, as its authorized official.

NPPES Registry Identity

NPI1649256504
Entity TypeOrganization
Primary Taxonomy284300000X
Legal Business NameROBERT H. ACKERMAN, MD
Location AddressFRUIT ST, CLN 340Boston, MA 02114
Mailing Address91 Stiles RdSalem, NH 03079-2846 · (603) 893-9784
Phone(617) 547-1620
Organization SubpartNo
Authorized OfficialRobert AckermanMd · (800) 927-0002
Enumeration DateDecember 21, 2005
Last NPPES UpdateAugust 22, 2020
✔ NPI 1649256504 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecial HospitalHospitals
Taxonomy Code284300000X
Definition
A designation by the AHA of a hospital whose primary function of the institution is to provide diagnostic and treatment services for patients who have specified medical conditions, both surgical and nonsurgical.
FRUIT ST, Boston, MA 02114
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Other Names 1

Other NameMass General Hospital

Other Identifiers 1

Medicaid2085135MA

Other Providers at the Same Location NPPES

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

MS. WILLA JEAN RAPP PT
Physical Therapist
FRUIT ST, PHYSICAL THERAPY DEPT WACC 2
BOSTON, MA 02114
Suffolk County (617) 726-3023

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 Robert H. Ackerman, MD's NPI number?

The NPI number for Robert H. Ackerman, MD is 1649256504. It was assigned to this organization in the NPPES registry on December 21, 2005. The provider is also known as Mass General Hospital.

Where is Robert H. Ackerman, MD located?

Robert H. Ackerman, MD is located at Fruit St Cln 340, Boston, MA 02114. The listed phone number is (617) 547-1620.

What is Robert H. Ackerman, MD's specialty?

The primary specialty registered for this NPI is Special Hospital with taxonomy code 284300000X.

When was this NPI record last updated?

The NPPES record for Robert H. Ackerman, MD was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.