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DR. SUNG RAK YUN M.D.
NPI 1376837716
Internal Medicine in Kenosha, WI

Active since June 02, 2011PECOS EnrolledAccepts Medicare Assignment
6308 8TH AVE, KENOSHA, WI 53143(262) 656-3173 Get Directions Write a Review

NPPES record last updated: December 23, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Sung Rak Yun M.d. NPPES

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

DR. SUNG RAK YUN M.D. (NPI 1376837716) is an individual internal medicine provider in Kenosha, Wisconsin, licensed in Wisconsin (64715-20) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS, is affiliated with Froedtert South Inc., and is a graduate of Other (2011).

NPPES Registry Identity

NPI1376837716
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. SUNG RAK YUNCredential: M.D.
Location Address6308 8TH AVEKenosha, WI 53143-5031
Mailing Address6308 8th AveKenosha, WI 53143-5031
Phone(262) 656-3173
Sole ProprietorYes
Medical School CMSOtherGraduated 2011
Enumeration DateJune 2, 2011
Last NPPES UpdateDecember 23, 2021
NPPES CertifiedDecember 23, 2021
✔ NPI 1376837716 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in WI · 64715-20
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
6308 8TH AVE, Kenosha, WI 53143
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Sung Rak Yun 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 ID5092936302
PECOS Enrollment IDI20151221001675
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.

Medicare Billing Reassignments

3

Medicare enrollment records show Sung Rak Yun reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Vituity-Wisconsin Hm Sc
5.4 mi
Hospitalist
9555 76TH ST
Pleasant Prairie, WI 53158
  • Reassigned Medicare billing, Wisconsin enrollment
  • 30 clinicians in this Medicare group
NPI 1679265912 (262) 577-8000
First Docs PC
60 mi
Internal Medicine
1525 OXFORD LN
Naperville, IL 60565
  • Reassigned Medicare billing, Wisconsin enrollment
NPI 1417655465 (702) 762-2485
Healogics Specialty Physicians Of Illinois, LLC
282 mi
Undersea and Hyperbaric Medicine
1 MEMORIAL DR
Alton, IL 62002
  • Reassigned Medicare billing, Illinois enrollment
  • 39 clinicians in this Medicare group
NPI 1215355110 (616) 433-7066

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

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.

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.
340 services139 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
165 services155 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
131 services69 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
40 services39 patients

Hospital Affiliations CMS Care Compare

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

Froedtert South Inc.

Acute Care Hospitals · Pleasant Prairie, WI
1/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number520021
Location9555 76th StPleasant Prairie, WI 53158 · Kenosha County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53143 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
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
Most-billed visit code 99214
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.

Reported Quality Measures

Care Plan
Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…
100%182 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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier36 claims36 services$12.71 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier47 claims47 services$59.09 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

GINA GAMBUCCI MS, LAT, ATC, OTC
Specialist/Technologist (Athletic Trainer)
6308 8TH AVE
KENOSHA, WI 53143
Kenosha County (262) 656-2011
HANNA MARIANI M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
6308 8TH AVE, STE 3070
KENOSHA, WI 53143
Kenosha County (262) 656-3710
RAYMOND W KNIGHT MD
Internal Medicine (Hematology & Oncology)
6308 8TH AVE, STE 2000
KENOSHA, WI 53143
Kenosha County (262) 653-5300
BRADLEY N. HAUGSTAD, M.D., S.C.
Anesthesiology
6308 8TH AVE
KENOSHA, WI 53143
Kenosha County (262) 656-2011
JIMALEEN DELABIO
General Acute Care Hospital
6308 8TH AVE
KENOSHA, WI 53143
Kenosha County (262) 656-3290
KENOSHA VASCULAR LAB INC
Specialist
6308 8TH AVE, SUITE 301
KENOSHA, WI 53143
Kenosha County (262) 656-8265
MARK R VYTLACIL M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
6308 8TH AVE
KENOSHA, WI 53143
Kenosha County (262) 656-2943
MICHAEL H ZEIHEN MD
Internal Medicine
6308 8TH AVE, SUITE 2000
KENOSHA, WI 53143
Kenosha County (262) 653-5300

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 Sung Rak Yun's NPI number?

The NPI number for Sung Rak Yun is 1376837716. It was assigned to this individual provider in the NPPES registry on June 2, 2011.

Where is Sung Rak Yun located?

Sung Rak Yun practices at 6308 8th Ave, Kenosha, WI 53143. The listed phone number is (262) 656-3173.

What is Sung Rak Yun's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Sung Rak Yun enrolled in Medicare?

Yes. Sung Rak Yun 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.

Which organizations bill Medicare for Sung Rak Yun's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sung Rak Yun reassigns Medicare benefits to 3 organizations: Vituity-Wisconsin Hm Sc (Pleasant Prairie, WI), First Docs PC (Naperville, IL) and Healogics Specialty Physicians Of Illinois, LLC (Alton, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sung Rak Yun's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Sung Rak Yun affiliated with any hospitals?

According to CMS data, Sung Rak Yun is affiliated with Froedtert South Inc..

When was this NPI record last updated?

The NPPES record for Sung Rak Yun was last updated on December 23, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.