Doctor profile · Federal record

Dr. William Yoon, M.D.

Vascular Surgery Physician (CMS: Vascular Surgery) · Surgery Physician · Vascular Surgery Physician · Skokie, IL

  • NPI 1720368657
  • Accepts Medicare
  • MIPS 79.5 / 100 · 2023
  • 15 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9650 Gross Point RD Ste 4900
Skokie, IL 600765080
(847) 663-8050
fax (224) 251-4407

Credentials & registration

NPPES · NUCC
NPI registered
August 2011 — 15 yrs on file
Profile last updated
April 27, 2021
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
2086S0129X — NUCC code
State licenses (2)
Illinois #036139697 · California #A157256

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1720368657. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
403
Distinct HCPCS
10
Medicare allowed
$26,644
HCPCS Description Services Patients Avg allowed
93880 Ultrasound of both sides of head and neck blood flow 70 70 $38
99214 Established patient office or other outpatient visit, 30-39 minutes 38 29 $96
99203 New patient office or other outpatient visit, 30-44 minutes 37 37 $82
93922 Ultrasound study of arm and leg arteries 35 35 $12
93970 Ultrasound study of arm or leg veins with compression and maneuvers 34 32 $33
93880 Ultrasound of both sides of head and neck blood flow 29 29 $38
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 27 25 $171
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 21 16 $117
93971 Ultrasound study of one arm or leg veins with compression and maneuvers 19 19 $21
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 17 17 $128

In context: peer comparison

Among 4 peers in Skokie Vascular Surgery Physician, average services per provider: 73. This provider delivers 5.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$4,509
Transactions
39
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
W. L. Gore & Associates, INC. 8 $1,355.09
Cook Medical LLC 17 $1,313.16
Cook Incorporated 2 $604.64
Medtronic, INC. 4 $390.15
Bolton Medical INC 3 $306.44
Abbott Laboratories 3 $288.07
Surmodics, INC. 1 $221.58
Stryker Corporation 1 $29.65

By nature of payment

Food and Beverage
$2,923
Travel and Lodging
$1,586

Frequently asked questions

Auto-generated from federal data
What is Dr. William Yoon's medical specialty?
Dr. William Yoon practices Vascular Surgery Physician in Skokie, IL.
Where does Dr. William Yoon practice?
Dr. William Yoon practices at 9650 Gross Point RD Ste 4900, Skokie, IL 600765080. Office phone: 8476638050.
What is Dr. William Yoon's NPI?
Dr. William Yoon's National Provider Identifier (NPI) is 1720368657, issued by NPPES.
Does Dr. William Yoon accept Medicare assignment?
Yes. Dr. William Yoon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Yoon commonly perform?
Top Medicare-reported procedures in 2023: Ultrasound of both sides of head and neck blood flow (HCPCS 93880); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.