Woosuk Steve Yoon, M.D.
Ophthalmology Physician · Rockford, IL
Woosuk Steve Yoon, M.D. is an ophthalmology physician with a practice address in Rockford, Illinois, and NPI 1295844934, issued on Aug 29, 2006. Check the license (Illinois 036-102401, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Woosuk Steve Yoon
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 036-102401 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4777 E State St, Rockford, IL 61108
- Phone
- (815) 227-0077
- Enumerated
- Aug 29, 2006
- Record last updated
- Sep 9, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (815) 227-5886
- Medicare enrollment
- Enrolled (PECOS I20050519000687); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 1995
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 898 in Illinois → Look up another NPI →
Also registered at 4777 E State St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elena Godfrey, LSWSocial Worker1194950360
- Mark Milani, DDSDentist1083750749
- Neal Thakrar, O.D.Optometrist1235578816
Verify Woosuk Steve Yoon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036-102401Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% fewer Medicare Part D claims than the average ophthalmology physician in 2024
1,031 Medicare Part D claims for 258 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 40% of claims.
Most prescribed
- Latanoprost217 claims
- Moxifloxacin172 claims
- Lotemax Sm112 claims
- Brimonidine Tartrate82 claims
- Timolol Maleate76 claims
- Dorzolamide-Timolol71 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 91.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Rockford Eye And Laser Center LtdLoves Park, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Woosuk Steve Yoon among 898 ophthalmology physician records in Illinois
Woosuk Steve Yoon, M.D. is one of 898 ophthalmology physician records with a practice address in Illinois. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 16% of them.
- NPI issued2006 · 16% of these records are older, 44% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1995 · median 1999 among the 551 with a school on file
- Record last updated2014 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Illinois
There are 898 ophthalmology physician records in Illinois.
All 898 in Illinois → Every provider in Rockford → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Nelson Gurney, MDRockford, IL 611081770698508
- Sina Bahmanyar, MDRockford, IL 611071174579577
- Richard Coppoletti, MDRockford, IL 611071215982822
- Eric Ericson, MDRockford, IL 611071427030725
- Richard Miller, M.D.Rockford, IL 611091134127871
- Azizur Rahman, MDRockford, IL 611071346212693
- Natalya Romaniv, MDRockford, IL 611071740470301
- Mitul Vakharia, MDRockford, IL 611071750304952
Common questions
What is Woosuk Steve Yoon, M.D.'s NPI number?
Woosuk Steve Yoon, M.D.'s National Provider Identifier (NPI) is 1295844934, issued on Aug 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Woosuk Steve Yoon, M.D. located?
The NPPES record lists a practice address at 4777 E State St, Rockford, IL, 61108. Phone: (815) 227-0077. Providers update this record themselves, so call before visiting.
How can I verify Woosuk Steve Yoon, M.D.'s license?
NPPES lists Illinois license number 036-102401, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Woosuk Steve Yoon, M.D. prescribe under Medicare Part D?
In 2024, Woosuk Steve Yoon, M.D. had 1,031 Medicare Part D claims for 258 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Woosuk Steve Yoon, M.D.'s MIPS final score?
The 2023 MIPS final score is 91.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.