Doctor profile · Federal record

Dr. William Skoog

Optometrist (CMS: Optometry) · Chicago, IL

  • NPI 1659948081
  • Accepts Medicare
  • 5 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3241 S Michigan Ave
Chicago, IL 606164201
(312) 949-7000

Credentials & registration

NPPES · NUCC
NPI registered
June 2021 — 5 yrs on file
Profile last updated
January 25, 2023
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Illinois #046011513

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659948081. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
50
Distinct HCPCS
2
Medicare allowed
$5,147
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 38 23 $94
92014 Established patient complete exam of visual system 12 12 $130

In context: peer comparison

Among 92 peers in Chicago Optometrist, average services per provider: 85. This provider delivers 0.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$847
Transactions
15
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Alcon Vision LLC 5 $358.76
CooperVision INC. 4 $170.98
Johnson & Johnson Vision Care, INC. 2 $150.00
Tarsus Pharmaceuticals, INC. 2 $114.90
Harrow Eye, LLC 1 $32.68
Bausch & Lomb Americas INC. 1 $19.27

By nature of payment

Food and Beverage
$447
Consulting Fee
$275
Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$125

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
15
Patients
0
Total drug cost
$11,339
Drug Type Claims Patients Total cost
Restasis (Cyclosporine) Brand 15 0 $11,339

Frequently asked questions

Auto-generated from federal data
What is Dr. William Skoog's medical specialty?
Dr. William Skoog practices Optometrist in Chicago, IL.
Where does Dr. William Skoog practice?
Dr. William Skoog practices at 3241 S Michigan Ave, Chicago, IL 606164201. Office phone: 3129497000.
What is Dr. William Skoog's NPI?
Dr. William Skoog's National Provider Identifier (NPI) is 1659948081, issued by NPPES.
Does Dr. William Skoog accept Medicare assignment?
Yes. Dr. William Skoog accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Skoog commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient complete exam of visual system (HCPCS 92014). Source: CMS Medicare Physician & Other Practitioners file.