Tomasz P. Srokowski, M.D.

NPI 1174671937ActiveIndividual· Internal Medicine, Hematology & Oncology· Springfield, IL

Internal Medicine, Hematology & Oncology (M.D.) in Springfield, Illinois, trained at Washington University School of Medicine (class of 2003). Their prescriptions cost Medicare Part D more than their services did: $4,868,856 for 1,465 claims, against $1,564,281 paid for services in 2024. Daiichi Sankyo Inc. was the largest of 14 companies reporting payments in 2025, $724.06 in all, mostly food and beverage.

Overview

NPI	1174671937
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	Jan 8, 2007
Last updated in NPPES	May 19, 2020
Certified by provider	May 19, 2020

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Hematology & Oncology Primary	207RH0003X	036123860	IL
Internal Medicine	207R00000X	036123860	IL

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 - Hematology/Oncology (IL)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	338
Services billed	120,205 across 111 procedure codes
Paid by Medicare	$1,564,281

Part D prescriptions in 2024

Prescriptions (claims)	1,465 · 2,141 30-day fills
Patients	213
Total drug cost	$4,868,856
Generic share	77% of claims

Medicare sources and data years

Education and affiliations

Medical school	Washington University School of Medicine
Graduation year	2003
Medicare specialty	Hematology/Oncology
Secondary specialties	Internal Medicine, Medical Oncology