Doctor profile · Federal record

Dr. Patroklos Pappas, M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (CMS: Thoracic Surgery) · Surgery Physician · Surgery Physician · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Oak Lawn, IL

  • NPI 1265427942
  • Accepts Medicare
  • 43 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4400 W 95Th St Ste 308
Oak Lawn, IL 604532660
(708) 346-4040
fax (708) 346-3287
Mailing address
9500 Bormet Dr Ste 204
Mokena, IL 604488399

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
December 17, 2021
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
208G00000X — NUCC code
State licenses (3)
Illinois #036071743 · Indiana #01043554A · Wisconsin #55179-20
Medicaid (8)
MI #1265427942 · WI #1265427942 · IN #200061020C · IN #200061020D · IN #200061020A · IN #200061020E · IL #036071743 · IN #200061020B

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265427942. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
325
Distinct HCPCS
9
Medicare allowed
$239,730
HCPCS Description Services Patients Avg allowed
33508 Harvest of vein using an endoscope 84 84 $17
33533 Coronary artery bypass using artery graft, 1 graft 78 78 $1,810
99205 New patient office or other outpatient visit, 60-74 minutes 37 37 $219
33518 Coronary artery bypass using vein or artery graft, 2 grafts 36 36 $420
33519 Coronary artery bypass using vein or artery graft, 3 grafts 26 26 $570
33405 Replacement of aortic valve on heart-lung machine 21 21 $2,323
33517 Coronary artery bypass using vein or artery graft, 1 graft 18 18 $200
33268 Exclusion of appendage of left upper chamber of heart performed during other procedure on chest 13 13 $139
34716 Exposure of underarm or upper chest artery with creation of conduit 12 12 $411

In context: peer comparison

Among 8 peers in Oak Lawn Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician, average services per provider: 30. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$43
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 2 $43.44

By nature of payment

Food and Beverage
$43

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Patroklos Pappas's medical specialty?
Dr. Patroklos Pappas practices Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Oak Lawn, IL.
Where does Dr. Patroklos Pappas practice?
Dr. Patroklos Pappas practices at 4400 W 95Th St Ste 308, Oak Lawn, IL 604532660. Office phone: 7083464040.
What is Dr. Patroklos Pappas's NPI?
Dr. Patroklos Pappas's National Provider Identifier (NPI) is 1265427942, issued by NPPES.
Does Dr. Patroklos Pappas accept Medicare assignment?
Yes. Dr. Patroklos Pappas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Patroklos Pappas commonly perform?
Top Medicare-reported procedures in 2023: Harvest of vein using an endoscope (HCPCS 33508); Coronary artery bypass using artery graft, 1 graft (HCPCS 33533); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.