Jan Novak, MD

NPI 1427096239ActiveIndividual· Internal Medicine, Gastroenterology· Buffalo, NY

Internal Medicine, Gastroenterology (MD) in Buffalo, New York, trained at State University of New York at Buffalo School of Medicine (class of 1970). Their prescriptions cost Medicare Part D more than their services did: $45,667 for 146 claims, against $2,720 paid for services in 2024. Calliditas Therapeutics US Inc. reported $1,561 in payments in 2024, mostly travel and lodging.

Overview

NPI	1427096239
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Jun 3, 2006
Last updated in NPPES	Nov 23, 2011

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Gastroenterology Primary	207RG0100X	109754	NY

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 - Gastroenterology (NY)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	14
Services billed	44 across 4 procedure codes
Paid by Medicare	$2,720

Part D prescriptions in 2024

Prescriptions (claims)	146 · 262 30-day fills
Patients	24
Total drug cost	$45,667
Generic share	94% of claims

Medicare sources and data years

Education and affiliations

Medical school	State University of New York at Buffalo School of Medicine
Graduation year	1970
Medicare specialty	Gastroenterology
Secondary specialties	Internal Medicine