Doctor profile · Federal record

Dr. Woosuk Yoon, M.D.

Ophthalmology Physician (CMS: Ophthalmology) · Rockford, IL

  • NPI 1295844934
  • Accepts Medicare
  • MIPS 91.4 / 100 · 2023
  • 31 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4777 E State St
Rockford, IL 611082273
(815) 227-0077
fax (815) 227-5886
Mailing address
6785 Weaver RD, Ste D
Rockford, IL 611148055

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
September 9, 2014
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
Illinois #036-102401

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1295844934. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,610
Distinct HCPCS
10
Medicare allowed
$267,415
HCPCS Description Services Patients Avg allowed
66984 Removal of cataract with insertion of prosthetic lens 446 170 $290
92136 Measurement of corneal curvature and depth of eye 192 192 $45
99204 New patient office or other outpatient visit, 45-59 minutes 191 191 $164
92012 Established patient problem focused exam of visual system 169 90 $86
92014 Established patient complete exam of visual system 165 160 $120
66821 Removal of recurring cataract in lens capsule using a laser 117 87 $319
92136 Measurement of corneal curvature and depth of eye 111 111 $29
92134 Imaging of retina 78 73 $38
92083 Exam of visual field with extended testing 55 50 $59
92133 Imaging of optic nerve 50 48 $34

In context: peer comparison

Among 5 peers in this city , average services per provider: 178. This provider delivers 9.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,446
Patients
641
Total drug cost
$167,514
Drug Type Claims Patients Total cost
Latanoprost Generic 379 122 $7,071
Moxifloxacin (Moxifloxacin Hcl) Brand 195 148 $4,624
Lotemax Sm (Loteprednol Etabonate) Brand 168 118 $43,505
Timolol Maleate Generic 128 40 $2,524
Brimonidine Tartrate Generic 116 39 $4,724
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 100 28 $2,206
Prolensa (Bromfenac Sodium) Brand 98 96 $35,349
Dorzolamide Hcl Generic 70 15 $1,194
Lumigan (Bimatoprost) Brand 62 12 $32,899
Prednisolone Acetate Generic 46 23 $1,552

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Woosuk Yoon's medical specialty?
Dr. Woosuk Yoon practices Ophthalmology Physician in Rockford, IL.
Where does Dr. Woosuk Yoon practice?
Dr. Woosuk Yoon practices at 4777 E State St, Rockford, IL 611082273. Office phone: 8152270077.
What is Dr. Woosuk Yoon's NPI?
Dr. Woosuk Yoon's National Provider Identifier (NPI) is 1295844934, issued by NPPES.
Does Dr. Woosuk Yoon accept Medicare assignment?
Yes. Dr. Woosuk Yoon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Woosuk Yoon commonly perform?
Top Medicare-reported procedures in 2023: Removal of cataract with insertion of prosthetic lens (HCPCS 66984); Measurement of corneal curvature and depth of eye (HCPCS 92136); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.