WILLIAM JHONGHOON YOON M.D.
NPI 1720368657
Surgery - Vascular Surgery in Skokie, IL

Active since August 23, 2011PECOS EnrolledAccepts Medicare Assignment
79.48/100
CMS Quality Rating
9650 GROSS POINT RD STE 4900, SKOKIE, IL 60076(847) 663-8050(224) 251-4407 Get Directions Write a Review

NPPES record last updated: April 27, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Apr 27, 2021, Sep 19, 2018, Jun 14, 2016 (3 updates tracked since 2016).

About William Jhonghoon Yoon M.d. NPPES

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

WILLIAM JHONGHOON YOON M.D. (NPI 1720368657) is an individual vascular surgery provider in Skokie, Illinois, licensed in Illinois (036139697) and active in the NPI registry since August 2011. He is enrolled in Medicare PECOS, is affiliated with Parma Community General Hospital, and is a graduate of Virginia Commonwealth University, School Of Medicine (2011).

NPPES Registry Identity

NPI1720368657
Entity TypeIndividualMale
Primary Taxonomy2086S0129X
Provider Legal NameWILLIAM JHONGHOON YOONCredential: M.D.
Location Address9650 GROSS POINT RD STE 4900Skokie, IL 60076-5080
Mailing Address9650 Gross Point Rd Ste 4900Skokie, IL 60076-5080 · (847) 663-8050 · Fax (224) 251-4407
Fax(224) 251-4407
Sole ProprietorYes
Medical School CMSVirginia Commonwealth University, School Of MedicineGraduated 2011
Enumeration DateAugust 23, 2011
Last NPPES UpdateApril 27, 20213 updates tracked since enumeration
NPPES CertifiedApril 4, 2021
NPI 1720368657 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtySurgery · Vascular SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code2086S0129X
Licenses Licensed in IL · 036139697 Licensed in CA · A157256
Definition
A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.
Also ListedSurgeryTaxonomy 208600000X · License A157256 (CA)
9650 GROSS POINT RD STE 4900, Skokie, IL 60076

Accepted 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

William Jhonghoon 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 ID547551715
PECOS Enrollment IDI20221007002191, I20260114001105, I20260114001537
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 14

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.

Ultrasound of both sides of head and neck blood flow 93880
An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.
87 services87 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
86 services64 patients
Ultrasound study of arm or leg veins with compression and maneuvers 93970
An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.
56 services56 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
51 services26 patients
Ultrasound study of one arm or leg veins with compression and maneuvers 93971
This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.
48 services48 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.
40 services40 patients

Hospital Affiliations CMS Care Compare 4

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

Parma Community General Hospital

Acute Care Hospitals · Parma, OH
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360041
Location7007 Powers BoulevardParma, OH 44129 · Cuyahoga County

University Hospitals Portage Medical Center

Acute Care Hospitals · Ravenna, OH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360078
Location6847 N ChestnutRavenna, OH 44266 · Portage County
Emergency services

Uh Cleveland Medical Center

Acute Care Hospitals · Cleveland, OH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360137
Location11100 Euclid AvenueCleveland, OH 44106 · Cuyahoga County
Emergency services Birthing friendly

University Hospitals Ahuja Medical Center

Acute Care Hospitals · Beachwood, OH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360359
Location3999 Richmond RoadBeachwood, OH 44122 · Cuyahoga County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60076 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
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
Established Patient
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $37.03)
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.

79.48/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality68.51
Promoting Interoperability100
Improvement Activities40
Cost63.09

Other Providers at the Same Location NPPES 20

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

Internal Medicine (Clinical Cardiac Electrophysiology)
9650 GROSS POINT RD STE 4900
SKOKIE, IL 60076
Nurse Practitioner (Family)
9650 GROSS POINT RD STE 4900
SKOKIE, IL 60076
Internal Medicine (Cardiovascular Disease)
9650 GROSS POINT RD STE 4900
SKOKIE, IL 60076
Internal Medicine (Clinical Cardiac Electrophysiology)
9650 GROSS POINT RD STE 4900
SKOKIE, IL 60076
Internal Medicine (Interventional Cardiology)
9650 GROSS POINT RD STE 4900
SKOKIE, IL 60076
Internal Medicine (Cardiovascular Disease)
9650 GROSS POINT RD STE 4900
SKOKIE, IL 60076
Internal Medicine (Cardiovascular Disease)
9650 GROSS POINT RD STE 4900
SKOKIE, IL 60076
Surgery (Vascular Surgery)
9650 GROSS POINT RD STE 4900
SKOKIE, IL 60076

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 William Yoon's NPI number?

The NPI number for William Yoon is 1720368657. It was assigned to this individual provider in the NPPES registry on August 23, 2011.

Where is William Yoon located?

William Yoon practices at 9650 Gross Point Rd Ste 4900, Skokie, IL 60076. The listed phone number is (847) 663-8050.

What is William Yoon's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.

Is William Yoon enrolled in Medicare?

Yes. William 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 William Yoon accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Antidote Health Plan of Ohio, Inc. and CareSource and 1 other insurer list William 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 William Yoon affiliated with any hospitals?

According to CMS data, William Yoon is affiliated with Parma Community General Hospital, University Hospitals Portage Medical Center, Uh Cleveland Medical Center and University Hospitals Ahuja Medical Center.

When was this NPI record last updated?

The NPPES record for William Yoon was last updated on April 27, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.