Brian M. Flagstad, MD

NPI 1629040993ActiveIndividual· Internal Medicine· Saint Paul, MN

Internal Medicine (MD) in Saint Paul, Minnesota, trained at University of California, San Diego School of Medicine (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $26,519 for 506 claims, against $15,836 paid for services in 2024. Novo Nordisk Inc reported $20.00 in payments in 2024, mostly food and beverage.

Overview

NPI	1629040993
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Feb 2, 2006
Last updated in NPPES	Mar 17, 2021
Certified by provider	Mar 17, 2021

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine Primary	207R00000X	41165	MN

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 - Internal Medicine (MN); Practitioner - Internal Medicine (WI)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	90
Services billed	211 across 32 procedure codes
Paid by Medicare	$15,836

Part D prescriptions in 2024

Prescriptions (claims)	506 · 763 30-day fills
Patients	102
Total drug cost	$26,519
Generic share	88% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of California, San Diego School of Medicine
Graduation year	1997
Medicare specialty	Internal Medicine
Secondary specialties	Pediatric Medicine