Doctor profile · Federal record

Dr. Michael Leininger, PA Physician Asst

Physician Assistant · Joliet, IL

  • NPI 1235147257
  • Accepts Medicare
  • MIPS 91.4 / 100 · 2023
  • 22 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
333 N Madison St
Joliet, IL 60435
(815) 725-7133
fax (815) 773-7859
Mailing address
2650 Warrenville RD, Suite 280
Downers Grove, IL 60515

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
February 14, 2020
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Illinois #085002266

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1235147257. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
44
Distinct HCPCS
2
Medicare allowed
$6,114
HCPCS Description Services Patients Avg allowed
33533 Coronary artery bypass using artery graft, 1 graft 23 23 $264
33508 Harvest of vein using an endoscope 21 21 $2

In context: peer comparison

Among 18 peers in Joliet Physician Assistant, average services per provider: 124. This provider delivers 0.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$288
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Atricure, INC. 1 $141.80
Ethicon US, LLC 1 $126.32
LeMaitre Vascular, INC. 1 $19.61

By nature of payment

Food and Beverage
$288

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Leininger's medical specialty?
Dr. Michael Leininger practices Physician Assistant in Joliet, IL.
Where does Dr. Michael Leininger practice?
Dr. Michael Leininger practices at 333 N Madison St, Joliet, IL 60435. Office phone: 8157257133.
What is Dr. Michael Leininger's NPI?
Dr. Michael Leininger's National Provider Identifier (NPI) is 1235147257, issued by NPPES.
Does Dr. Michael Leininger accept Medicare assignment?
Yes. Dr. Michael Leininger accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Leininger commonly perform?
Top Medicare-reported procedures in 2023: Coronary artery bypass using artery graft, 1 graft (HCPCS 33533); Harvest of vein using an endoscope (HCPCS 33508). Source: CMS Medicare Physician & Other Practitioners file.