1. Home
  2. Directory
  3. Illinois
  4. Rockford
  5. Ophthalmology
  6. NPI Profile

WOOSUK STEVE YOON M.D.
NPI 1295844934
Ophthalmology in Rockford, IL

Active since August 29, 2006PECOS EnrolledAccepts Medicare Assignment
91.39/100
CMS Quality Rating
4777 E STATE ST, ROCKFORD, IL 61108(815) 227-0077(815) 227-5886 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Woosuk Steve Yoon M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WOOSUK STEVE YOON M.D. (NPI 1295844934) is an individual ophthalmology provider in Rockford, Illinois, licensed in Illinois (036-102401) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Saint Anthony Medical Center, and is a graduate of New York Medical College (1995).

NPPES Registry Identity

NPI1295844934
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameWOOSUK STEVE YOONCredential: M.D.
Location Address4777 E STATE STRockford, IL 61108-2273
Mailing Address4777 E State StRockford, IL 61108-2273 · (815) 227-0077 · Fax (815) 227-5886
Phone(815) 227-0077
Fax(815) 227-5886
Sole ProprietorYes
Medical School CMSNew York Medical CollegeGraduated 1995
Enumeration DateAugust 29, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1295844934 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in IL · 036-102401
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
4777 E STATE ST, Rockford, IL 61108
Open in Google Maps ↗

Other Identifiers 2

Medicare UPINH00491IL
Medicare ID-Type Unspecified204470IL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include MercyCare Health Plans, Quartz.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Woosuk Steve Yoon M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7315988375
PECOS Enrollment IDI20050519000687
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Removal of cataract with insertion of prosthetic lens 66984
This is a procedure where a cloudy lens in your eye, known as a cataract, is removed. After removal, a clear artificial lens is inserted. This helps to restore your vision, enabling you to see clearly again.
298 services131 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
177 services177 patients
Measurement of corneal curvature and depth of eye 92136
This procedure measures the shape and depth of your eye, specifically the cornea, the clear front surface. It helps in diagnosing conditions, planning for surgeries, or fitting contact lenses. It's non-invasive and painless.
175 services175 patients
Established patient problem focused exam of visual system 92012
This is a routine check-up for existing patients focusing on the visual system. It involves examining your eyes to detect any potential issues or changes in your vision. It's a crucial part of maintaining good eye health.
143 services69 patients
Established patient complete exam of visual system 92014
An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.
117 services114 patients
Measurement of corneal curvature and depth of eye 92136
This procedure measures the shape and depth of your eye, specifically the cornea, the clear front surface. It helps in diagnosing conditions, planning for surgeries, or fitting contact lenses. It's non-invasive and painless.
94 services94 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Saint Anthony Medical Center

Acute Care Hospitals · Rockford, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140233
Location5666 East State StreetRockford, IL 61108 · Winnebago County
Emergency services Birthing friendly

Javon Bea Hospital

Acute Care Hospitals · Rockford, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140239
Location8201 E Riverside BlvdRockford, IL 61114 · Winnebago County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 61108 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$127.46 typical visit price
range $54.80 – $168.44
Typical copayment $31.86 (range $13.70 – $42.11)
Most-billed visit code 99204
Established Patient
$68.64 typical visit price
range $17.16 – $136.56
Typical copayment $17.16 (range $4.29 – $34.14)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.39/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality100
Improvement Activities40
Cost71.3

Reported Quality Measures

Diabetes: Eye Exam
Percentage of patients 18-75 years of age with diabetes who had a retinal or dilated eye exam by an eye care professional during the measurement period or a negative retinal exam (no evidence of retinopathy) in the 12 months prior to the measurement period
100%50 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JENNIE N. MARQUEZ
Counselor (Mental Health)
4777 E STATE ST, SUITE 1
ROCKFORD, IL 61108
Winnebago County (815) 977-1425
DR. MARK ALAN MILANI DDS
Dentist
4777 E STATE ST, 11
ROCKFORD, IL 61108
Winnebago County (815) 399-3092
MS. ELENA CLARE GODFREY LSW
Social Worker
4777 E STATE ST, ALZHEIMER'S ASSOCIATION
ROCKFORD, IL 61108
Winnebago County (815) 484-1300
NEAL K THAKRAR O.D.
Optometrist
4777 E STATE ST
ROCKFORD, IL 61108
Winnebago County (815) 227-0077
MARK A. MILANI D.D.S. PC
Dentist (General Practice)
4777 E STATE ST
ROCKFORD, IL 61108
Winnebago County (815) 399-3092
FOOT FIRST PODIATRY CENTERS, V.P.C.
Podiatrist (Foot & Ankle Surgery)
4777 E STATE ST
ROCKFORD, IL 61108
Winnebago County (815) 229-0388

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Woosuk Yoon's NPI number?

The NPI number for Woosuk Yoon is 1295844934. It was assigned to this individual provider in the NPPES registry on August 29, 2006.

Where is Woosuk Yoon located?

Woosuk Yoon practices at 4777 E State St, Rockford, IL 61108. The listed phone number is (815) 227-0077.

What is Woosuk Yoon's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Woosuk Yoon enrolled in Medicare?

Yes. Woosuk Yoon is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Woosuk Yoon accept?

Health plans from MercyCare Health Plans and Quartz list Woosuk Yoon as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Woosuk Yoon affiliated with any hospitals?

According to CMS data, Woosuk Yoon is affiliated with Saint Anthony Medical Center and Javon Bea Hospital.

When was this NPI record last updated?

The NPPES record for Woosuk Yoon was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.