What is John Yoon's specialty?

John Yoon (NPI 1609826452) is a Medicare-billing provider whose primary specialty is Ophthalmology in Superior, WI.

Where does John Yoon practice?

John Yoon practices in Superior, WI, based on the location reported in the CMS Medicare provider datasets for NPI 1609826452.

How much does Medicare pay John Yoon?

John Yoon (NPI 1609826452) received approximately $160K in total Medicare Part B payments, serving 745 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1609826452

John YoonMD

PRACTICEST. LUKE'S HOSPITAL OF DULUTHSee all providers at this practice →

OphthalmologySuperior, WII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,825

Unique beneficiaries

—

Total services

3,263

Distinct HCPCS

Medicare payment

$146K

Peer benchmark

Total Medicare services vs. 304 Ophthalmology providers in WI — top quintile (cohort median 1,730).

PRESCRIBING · PART D · 2024

Total Rx claims

3,912

Beneficiaries

—

Total drug cost

$345K

Distinct drugs

Brand share

18.7%

Top prescribed drugs

Latanoprost1,179 claims

Prednisolone Acetate543 claims

Timolol Maleate379 claims

Dorzolamide Hcl318 claims

Doxycycline Hyclate207 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where John Yoon's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 47 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ST. MARY'S HOSPITAL OF SUPERIOR	438	2,304
SMDC MEDICAL CENTER	256	890
ST MARYS MEDICAL CENTER	122	312
NPI 1386695401	114	683
Georgia Brunette Internal Medicine · Superior, WI	108	506
PIERPONT, ROBERT	99	423
Joseph Richards Family Medicine · Superior, WI	55	288
Sarah Karl Physician Assistant · Superior, WI	46	121
Jean Hoyer Emergency Medicine · Superior, WI	41	157
Michael Ryan Diagnostic Radiology · Duluth, MN	35	91
Deborah Hatanpa Family Practice · La Crosse, WI	31	204
KARWOSKI, GENE	31	148

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events