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DR. BRIAN TERENCE CALLAHAN JR. M.D.
NPI 1174558217
Surgery in Concord, MA

Active since July 11, 2006

NPPES record last updated: February 20, 2014. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Brian Terence Callahan Jr. M.d. NPPES

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

DR. BRIAN TERENCE CALLAHAN JR. M.D. (NPI 1174558217) is an individual surgery provider in Concord, Massachusetts, licensed in Massachusetts (60166) and active in the NPI registry since July 2006.

NPPES Registry Identity

NPI1174558217
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. BRIAN TERENCE CALLAHAN JR.Credential: M.D.
Location Address131 ORNACConcord, MA 01742-4181
Mailing Address131 OrnacConcord, MA 01742-4181 · (978) 287-3547
Phone(978) 287-3547
Sole ProprietorNo
Enumeration DateJuly 11, 2006
Last NPPES UpdateFebruary 20, 2014
✔ NPI 1174558217 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in MA · 60166
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
131 ORNAC, Concord, MA 01742
Open in Google Maps ↗

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.

DR. DANIEL H VOGEL M.D.
Otolaryngology
131 ORNAC, SUITE 490
CONCORD, MA 01742
Middlesex County (978) 371-1400
THOMAS LAMATTINA MD
Internal Medicine (Cardiovascular Disease)
131 ORNAC
CONCORD, MA 01742
Middlesex County (978) 371-0796
STEPHEN M DYDA DO
Internal Medicine (Cardiovascular Disease)
131 ORNAC
CONCORD, MA 01742
Middlesex County (978) 287-8767
CONCORD PLASTIC SURGERY INC
Surgery (Plastic and Reconstructive Surgery)
131 ORNAC, JOHN CUMING BULDING SUITE 700
CONCORD, MA 01742
Middlesex County (978) 369-1579
BROOKE R SECKEL MD LLC
Plastic Surgery
131 ORNAC, SUITE 700 JOHN CUMING BUILDING
CONCORD, MA 01742
Middlesex County (978) 369-4499
PETER M BARKIN MD
Internal Medicine (Pulmonary Disease)
131 ORNAC, SUITE 660
CONCORD, MA 01742
Middlesex County (978) 369-4238
SUSAN SAJER M.D.
Internal Medicine (Hematology & Oncology)
131 ORNAC, JOHN CUMMING BLDG #200
CONCORD, MA 01742
Middlesex County (978) 287-3436
BARRY L LEVIN MD
Specialist
131 ORNAC, SUITE 760
CONCORD, MA 01742
Middlesex County (978) 341-0060

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 Brian Callahan's NPI number?

The NPI number for Brian Callahan is 1174558217. It was assigned to this individual provider in the NPPES registry on July 11, 2006.

Where is Brian Callahan located?

Brian Callahan practices at 131 Ornac, Concord, MA 01742. The listed phone number is (978) 287-3547.

What is Brian Callahan's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

When was this NPI record last updated?

The NPPES record for Brian Callahan was last updated on February 20, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.