Doctor profile · Federal record

Dr. Charles Willekes, MD

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (CMS: Thoracic Surgery) · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Grand Rapids, MI

  • NPI 1801868583
  • Accepts Medicare
  • MIPS 93.8 / 100 · 2023
  • 35 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
221 Michigan St Ne Ste 300
Grand Rapids, MI 495032537
(616) 459-7258
fax (616) 459-5215
Mailing address
100 Michigan St Ne, Mc 845
Grand Rapids, MI 495032560

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
March 14, 2022
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
208G00000X — NUCC code
State licenses (3)
Michigan #4301072489 · Wisconsin #37773-020 · New Jersey #25MA06019300

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801868583. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
45
Distinct HCPCS
2
Medicare allowed
$3,642
HCPCS Description Services Patients Avg allowed
71046 X-ray of chest, 2 views 26 25 $22
99204 New patient office or other outpatient visit, 45-59 minutes 19 19 $162

In context: peer comparison

Among 6 peers in Grand Rapids Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician, average services per provider: 18. This provider delivers 2.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$374
Transactions
9
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Atricure, INC. 1 $149.34
Ethicon US, LLC 3 $75.45
Abbott Laboratories 1 $50.88
Medtronic, INC. 2 $44.93
Abiomed 1 $31.39
DePuy Synthes Sales INC. 1 $21.88

By nature of payment

Food and Beverage
$374

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Charles Willekes's medical specialty?
Dr. Charles Willekes practices Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Grand Rapids, MI.
Where does Dr. Charles Willekes practice?
Dr. Charles Willekes practices at 221 Michigan St Ne Ste 300, Grand Rapids, MI 495032537. Office phone: 6164597258.
What is Dr. Charles Willekes's NPI?
Dr. Charles Willekes's National Provider Identifier (NPI) is 1801868583, issued by NPPES.
Does Dr. Charles Willekes accept Medicare assignment?
Yes. Dr. Charles Willekes accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charles Willekes commonly perform?
Top Medicare-reported procedures in 2023: X-ray of chest, 2 views (HCPCS 71046); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.