John B. Kisiel, M.D.

NPI 1619948270ActiveIndividual· Internal Medicine, Gastroenterology· Rochester, MN

Internal Medicine, Gastroenterology (M.D.) in Rochester, Minnesota, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $1,063,089 for 201 claims, against $8,523 paid for services in 2024. Exact Sciences Corporation reported $305,434 in payments in 2025, mostly consulting fees.

Overview

NPI	1619948270
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	Jan 31, 2006
Last updated in NPPES	Aug 14, 2020
Certified by provider	Aug 14, 2020

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Gastroenterology Primary	207RG0100X	47696	MN
Internal Medicine	207R00000X	47696	MN

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Oct 9, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026	No match	—
New York OMIG · Nov 10, 2026	No match	—
Ohio Medicaid · Nov 10, 2026	No match	—
Pennsylvania Medicheck · Nov 10, 2026	No match	—
Washington HCA · Nov 10, 2026	No match	—

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

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Gastroenterology (MN)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	86
Services billed	101 across 13 procedure codes
Paid by Medicare	$8,523

Part D prescriptions in 2024

Prescriptions (claims)	201 · 286 30-day fills
Patients	69
Total drug cost	$1,063,089
Generic share	65% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)
Graduation year	2004
Medicare specialty	Gastroenterology
Secondary specialties	Internal Medicine
Telehealth	Offers telehealth