YOON WOOK CHUN MD
NPI 1518046499
Obstetrics & Gynecology in Green Bay, WI

Q: What is Yoon Chun's NPI number?

The NPI number for Yoon Chun is 1518046499. It was assigned to this individual provider in the NPPES registry on November 3, 2006.

Q: What is Yoon Chun's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Q: When was this NPI record last updated?

The NPPES record for Yoon Chun was last updated on August 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.

Active since November 03, 2006PECOS EnrolledAccepts Medicare Assignment

720 S VANBUREN ST, GREEN BAY, WI 54301(920) 433-3420(920) 338-6859 Get Directions Write a Review

NPPES record last updated: August 20, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Yoon Wook Chun Md NPPES

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

YOON WOOK CHUN MD (NPI 1518046499) is an individual obstetrics & gynecology provider in Green Bay, Wisconsin, licensed in Wisconsin (43350020) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS, is affiliated with Bellin Memorial Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1518046499

Entity TypeIndividualFemale

Primary Taxonomy207V00000X

Provider Legal NameYOON WOOK CHUNCredential: MD

Location Address720 S VANBUREN STGreen Bay, WI 54301

Mailing AddressPo Box 22487Green Bay, WI 54305-2487 · (920) 445-7222 · Fax (920) 445-7289

Phone(920) 433-3420

Fax(920) 338-6859

Sole ProprietorNo

Medical School CMSWayne State University School Of MedicineGraduated 1995

Enumeration DateNovember 3, 2006

Last NPPES UpdateAugust 20, 2025

NPPES CertifiedAugust 20, 2025

✔ NPI 1518046499 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

License✔ Licensed in WI · 43350020

Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

Also ListedObstetrics & Gynecology · Urogynecology and Reconstructive Pelvic SurgeryTaxonomy 207VF0040X · License 43350-20 (WI)

720 S VANBUREN ST, Green Bay, WI 54301

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Secondary Practice Locations 2

Location 12641 Development DrGreen Bay, WI 54311-4240 · Phone (920) 338-6868 · Fax (920) 338-6869

Location 2704 S Webster Ave, Suite 200Green Bay, WI 54301-3528 · Phone (920) 468-3443 · Fax (920) 432-6313

Other Identifiers 2

Medicaid34089900WI

Other9004542Board Certification Female Pelvic Medicine And Reconstruction

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare) and more.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

Yoon Wook Chun Md 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 ID6002089455

PECOS Enrollment IDI20111031000133

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 13

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.

Injection, onabotulinumtoxina, 1 unit J0585

Onabotulinumtoxina, also known as Botox, is a medication injected into muscles. It's used to treat various conditions by blocking nerve activity in the muscles, causing a temporary reduction in muscle activity. The units refer to the dosage.

1,800 services15 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

142 services105 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.

118 services90 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.

49 services49 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

31 services29 patients

Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina 76830

An ultrasound scan of the lower abdominal region is a safe, non-invasive procedure that uses sound waves to create images of internal structures. This helps in checking the health of reproductive organs and detecting any abnormalities. The scan is done via a small probe inserted into the body.

24 services23 patients

Repair of bladder hernia into vaginal wall 57240

This procedure involves fixing a bulge in the bladder that has extended into the wall of the lower body passage. This bulge may cause discomfort or problems with normal body functions. The process realigns the bladder to its correct position, providing relief.

18 services18 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

18 services18 patients

Surgical repair of vaginal defect using an endoscope 57425

This procedure involves the use of a special instrument, an endoscope, to help fix an issue within your body. It's a minimally invasive method, meaning less discomfort and quicker recovery compared to traditional surgery.

17 services17 patients

Exam with injections of chemical for destruction of bladder using an endoscope 52287

This procedure involves the use of a thin, flexible tube with a light (endoscope) for internal examination. A chemical is then injected to help eliminate specific issues in the bladder. It's a standard and safe process.

15 services14 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

15 services15 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

14 services14 patients

Repair of pelvic ligaments through vagina 57282

This procedure involves mending the supportive tissues in your lower body region, accessed via the birth canal. It helps enhance stability and alleviate discomfort. The process is performed under anesthesia, ensuring a pain-free experience.

12 services12 patients

Hospital Affiliations CMS Care Compare

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

Bellin Memorial Hospital

Acute Care Hospitals · Green Bay, WI

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520049

Location744 S Webster AveGreen Bay, WI 54305 · Brown County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54301 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

$123.69 typical visit price

range $53.90 – $163.24

Typical copayment $30.92 (range $13.47 – $40.81)

Most-billed visit code 99204

Established Patient

$67.37 typical visit price

range $17.40 – $133.76

Typical copayment $16.84 (range $4.35 – $33.44)

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.

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.

VICTOR ADALBERT GERALDEZ DE VILLA M.D.

Internal Medicine (Endocrinology, Diabetes & Metabolism)

720 S VANBUREN ST, SUITE 104
GREEN BAY, WI 54301

Brown County (920) 433-6050

SHIRLEY M JEAN-BAPTISTE APNP

Nurse Practitioner (Family)

720 S VANBUREN ST
GREEN BAY, WI 54301

Brown County (920) 433-7488

BAILEY E HAVLOVITZ PA-C

Physician Assistant

720 S VANBUREN ST
GREEN BAY, WI 54301

Brown County (920) 468-3444

CHERYL L BAILEY M.D.

Obstetrics & Gynecology

720 S VANBUREN ST, SUITE 101
GREEN BAY, WI 54301

Brown County (920) 433-3420

BELLIN MEMORIAL HOSPITAL INC

Surgery

720 S VANBUREN ST, SUITE 201
GREEN BAY, WI 54301

Brown County (920) 433-7488

RENEE R SMITH CNM,APNP

Advanced Practice Midwife

720 S VANBUREN ST, SUITE 101
GREEN BAY, WI 54301

Brown County (920) 433-3420

MRS. SANDRA RENEE PELNAR C.N.M., W.H.N.P.

Advanced Practice Midwife

720 S VANBUREN ST, SUITE 101
GREEN BAY, WI 54301

Brown County (920) 433-3420

CARMEN D. ANDERSON APNP

Nurse Practitioner (Family)

720 S VANBUREN ST, SUITE 201
GREEN BAY, WI 54301

Brown County (920) 433-7488

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 Yoon Chun's NPI number?

The NPI number for Yoon Chun is 1518046499. It was assigned to this individual provider in the NPPES registry on November 3, 2006.

Where is Yoon Chun located?

Yoon Chun practices at 720 S Vanburen St, Green Bay, WI 54301. The listed phone number is (920) 433-3420.

What is Yoon Chun's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Yoon Chun enrolled in Medicare?

Yes. Yoon Chun 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 Yoon Chun accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare) and HealthPartners list Yoon Chun 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 Yoon Chun affiliated with any hospitals?

According to CMS data, Yoon Chun is affiliated with Bellin Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Yoon Chun was last updated on August 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.