Brian D. Klagges, MD

NPI 1942278403ActiveIndividual· Anesthesiology· Nashua, NH

Anesthesiology (MD) in Nashua, New Hampshire, trained at State University of New York at Buffalo School of Medicine (class of 2000). 273 Medicare patients in 2024, $130,159 paid; nearly all of their 257 Part D prescriptions were generic (96%). Boston Scientific Corporation was the largest of 4 companies reporting payments in 2025, $476.44 in all, mostly food and beverage.

Overview

NPI	1942278403
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Mar 10, 2006
Last updated in NPPES	Oct 1, 2024
Certified by provider	Oct 1, 2024

Specialties and licenses

Taxonomy	Code	License	State
Anesthesiology Primary	207L00000X	13500	NH
Anesthesiology	207L00000X	215980	MA
Anesthesiology, Pain Medicine	207LP2900X	13500	NH
Anesthesiology, Pain Medicine	207LP2900X	215980	MA

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Nov 10, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026	No match	—
New York OMIG · Nov 11, 2026	No match	—
Ohio Medicaid · Nov 11, 2026	No match	—
Pennsylvania Medicheck · Nov 11, 2026	No match	—
Washington HCA · Nov 11, 2026	No match	—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Anesthesiology (NH)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	273
Services billed	11,089 across 67 procedure codes
Paid by Medicare	$130,159

Part D prescriptions in 2024

Prescriptions (claims)	257 · 271 30-day fills
Patients	99
Total drug cost	$4,102
Generic share	96% of claims

Medicare sources and data years

Education and affiliations

Medical school	State University of New York at Buffalo School of Medicine
Graduation year	2000
Medicare specialty	Anesthesiology
Secondary specialties	Pain Management
Telehealth	Offers telehealth