Doctor profile · Federal record

Dr. John Yoon, MD

Ophthalmology Physician (CMS: Ophthalmology) · Superior, WI

  • NPI 1609826452
  • Accepts Medicare
  • 39 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
109 N 28Th St E
Superior, WI 548806548
(715) 395-3900

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
October 23, 2007
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
Wisconsin #35668

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1609826452. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,414
Distinct HCPCS
10
Medicare allowed
$213,810
HCPCS Description Services Patients Avg allowed
92134 Imaging of retina 879 215 $24
67028 Injection of drug into eye 610 75 $87
99213 Established patient office or other outpatient visit, 20-29 minutes 422 262 $63
92014 Established patient complete exam of visual system 414 411 $74
99214 Established patient office or other outpatient visit, 30-39 minutes 404 289 $93
92083 Exam of visual field with extended testing 205 192 $26
92133 Imaging of optic nerve 175 174 $21
92250 Photography of the retina 133 130 $21
92136 Measurement of corneal curvature and depth of eye 50 30 $29
66984 Removal of cataract with insertion of prosthetic lens 37 26 $468

In context: peer comparison

Among 1 peers in Superior Ophthalmology Physician, average services per provider: 262. This provider delivers 13× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,165
Patients
1,096
Total drug cost
$332,873
Drug Type Claims Patients Total cost
Latanoprost Generic 1,023 291 $20,675
Prednisolone Acetate Generic 406 179 $24,458
Timolol Maleate Generic 383 126 $3,739
Dorzolamide Hcl Generic 291 81 $7,200
Doxycycline Hyclate Generic 192 87 $8,373
Restasis (Cyclosporine) Brand 117 33 $100,801
Brimonidine Tartrate Generic 115 38 $6,024
Polymyxin B Sul-Trimethoprim (Polymyxin B Sulf/Trimethoprim) Brand 105 98 $892
Lumigan (Bimatoprost) Brand 99 21 $39,887
Xiidra (Lifitegrast) Brand 95 19 $73,585

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Yoon's medical specialty?
Dr. John Yoon practices Ophthalmology Physician in Superior, WI.
Where does Dr. John Yoon practice?
Dr. John Yoon practices at 109 N 28Th St E, Superior, WI 548806548. Office phone: 7153953900.
What is Dr. John Yoon's NPI?
Dr. John Yoon's National Provider Identifier (NPI) is 1609826452, issued by NPPES.
Does Dr. John Yoon accept Medicare assignment?
Yes. Dr. John Yoon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Yoon commonly perform?
Top Medicare-reported procedures in 2023: Imaging of retina (HCPCS 92134); Injection of drug into eye (HCPCS 67028); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.