DR. PETER BAKER KELSEY MD
NPI 1255313383
Internal Medicine - Gastroenterology in Boston, MA

Active since November 15, 2005
55 FRUIT ST, BLK 4, BOSTON, MA 02114(617) 724-6044(617) 724-5997 Get Directions Write a Review

NPPES record last updated: October 2, 2013. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Peter Baker Kelsey Md NPPES

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

DR. PETER BAKER KELSEY MD (NPI 1255313383) is an individual gastroenterology provider in Boston, Massachusetts, licensed in Massachusetts (51447) and active in the NPI registry since November 2005.

NPPES Registry Identity

NPI1255313383
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. PETER BAKER KELSEYCredential: MD
Location Address55 FRUIT ST, BLK 4Boston, MA 02114-2621
Mailing AddressPo Box 9142, Mass General Physician OrganizationCharlestown, MA 02129-9142 · (617) 724-6044 · Fax (617) 724-5997
Fax(617) 724-5997
Sole ProprietorYes
Enumeration DateNovember 15, 2005
Last NPPES UpdateOctober 2, 2013
NPI 1255313383 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in MA · 51447
Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

55 FRUIT ST, Boston, MA 02114

Other Identifiers 5

OtherJ03061MA · Bcbs Ma
Medicare UPINA56907
Other051447MA · Tufts Health Plan
Medicare PINJ03061MA
Medicaid6187846MA

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.

Pathology (Anatomic Pathology)
55 FRUIT ST
BOSTON, MA 02114
Internal Medicine (Hematology & Oncology)
55 FRUIT ST
BOSTON, MA 02114
Anesthesiology
55 FRUIT ST, GRAY-BIGELOW 444
BOSTON, MA 02114
Physical Medicine & Rehabilitation
55 FRUIT ST
BOSTON, MA 02114
Internal Medicine (Infectious Disease)
55 FRUIT ST, DIVISION OF INFECTIOUS DISEASE, GRJ-504
BOSTON, MA 02114
Nurse Practitioner (Acute Care)
55 FRUIT ST, BIGALOW 852 F
BOSTON, MA 02114
Nurse Practitioner
55 FRUIT ST
BOSTON, MA 02114
Internal Medicine (Cardiovascular Disease)
55 FRUIT ST
BOSTON, MA 02114

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 Peter Kelsey's NPI number?

The NPI number for Peter Kelsey is 1255313383. It was assigned to this individual provider in the NPPES registry on November 15, 2005.

Where is Peter Kelsey located?

Peter Kelsey practices at 55 Fruit St Blk 4, Boston, MA 02114. The listed phone number is (617) 724-6044.

What is Peter Kelsey's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

When was this NPI record last updated?

The NPPES record for Peter Kelsey was last updated on October 2, 2013. NPI Profile syncs with the weekly NPPES data releases published by CMS.