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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

CHUL WON CHUNG MD
NPI 1326533019
Internal Medicine in Saint Louis, MO

Active since June 26, 2018PECOS Enrolled
4921 PARKVIEW PL, SAINT LOUIS, MO 63110(314) 362-3500 Get Directions Write a Review

NPPES record last updated: July 16, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 16, 2026, Nov 30, 2021, Oct 21, 2021 and 2 more (5 updates tracked since 2018).

About Chul Won Chung Md NPPES

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

CHUL WON CHUNG MD (NPI 1326533019) is an individual internal medicine provider in Saint Louis, Missouri, licensed in Missouri (2026024920) and active in the NPI registry since June 2018. He is enrolled in Medicare PECOS, is affiliated with Aurora Memorial Hospital Burlington, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1326533019
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameCHUL WON CHUNGCredential: MD
Location Address4921 PARKVIEW PLSaint Louis, MO 63110-1032
Mailing Address660 S Euclid AveSaint Louis, MO 63110-1010
Phone(314) 362-3500
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateJune 26, 2018
Last NPPES UpdateJuly 16, 20265 updates tracked since enumeration
NPPES CertifiedJuly 16, 2026
✔ NPI 1326533019 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MO · 2026024920
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.
4921 PARKVIEW PL, Saint Louis, MO 63110
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource (Common Ground Healthcare).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

Chul Won Chung 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 ID8729497284
PECOS Enrollment IDI20210513000243
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 7

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.
180 services70 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.
135 services65 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
86 services81 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.
69 services68 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
31 services31 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.
23 services23 patients

Hospital Affiliations CMS Care Compare 2

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

Aurora Memorial Hospital Burlington

Acute Care Hospitals · Burlington, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520059
Location252 Mchenry StBurlington, WI 53105 · Racine County
Emergency services

Aurora St Lukes Medical Center

Acute Care Hospitals · Milwaukee, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520138
Location2900 W Oklahoma AveMilwaukee, WI 53215 · Milwaukee County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63110 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
$128.28 typical visit price
range $55.65 – $169.38
Typical copayment $32.07 (range $13.91 – $42.34)
Most-billed visit code 99204
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
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.

Referred Medical Equipment & Supplies CMS DME claims

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

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
2 suppliers19 claims19 services$78.50 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.

MS. CHERYL ANNE WOOLSEY PA
Physician Assistant
4921 PARKVIEW PL, DIV SURG HPB, STE 12B
SAINT LOUIS, MO 63110
St. Louis City (314) 747-0410
DR. CHARLES PHILLIPS JONES MD
Urology
4921 PARKVIEW PL, DIV SURG UROLOGY, STE 11C
SAINT LOUIS, MO 63110
St. Louis City (314) 362-8200
DR. PRABHA RANGANATHAN MD
Internal Medicine (Rheumatology)
4921 PARKVIEW PL, DIV IM RHEUMATOLOGY, STE 5C
SAINT LOUIS, MO 63110
St. Louis City (314) 286-2635
DR. RALPH GERARD DACEY JR. MD
Neurological Surgery
4921 PARKVIEW PL, DEPT NEUROLOGICAL SURGERY, STE 6B/6C
SAINT LOUIS, MO 63110
St. Louis City (314) 362-3577
DR. KRASIMIRA MIKHAILOVA MIKHOVA MD
Internal Medicine (Clinical Cardiac Electrophysiology)
4921 PARKVIEW PL, DIV IM CARDIOLOGY, STE 8B
SAINT LOUIS, MO 63110
St. Louis City (314) 362-1291
DR. JEE YOUNG HAN MD
Psychiatry & Neurology (Neurology)
4921 PARKVIEW PL, DIV NEUROLOGY AGING AND DEMENTIA, STE 6C
SAINT LOUIS, MO 63110
St. Louis City (314) 362-1408
MS. MAREN JORGENSEN OT
Occupational Therapist
4921 PARKVIEW PL, DEPT OCCUPATIONAL THERAPY, STE 6F
SAINT LOUIS, MO 63110
St. Louis City (314) 286-1669
DR. ADRIAN SHIFREN MD
Internal Medicine (Pulmonary Disease)
4921 PARKVIEW PL, DIV IM PULMONARY AND CCM, 8TH FL
SAINT LOUIS, MO 63110
St. Louis City (314) 454-8917

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 Chul Won Chung's NPI number?

The NPI number for Chul Won Chung is 1326533019. It was assigned to this individual provider in the NPPES registry on June 26, 2018.

Where is Chul Won Chung located?

Chul Won Chung practices at 4921 Parkview Pl, Saint Louis, MO 63110. The listed phone number is (314) 362-3500.

What is Chul Won Chung's specialty?

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

Is Chul Won Chung enrolled in Medicare?

Yes. Chul Won Chung 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 Chul Won Chung accept?

Health plans from CareSource (Common Ground Healthcare) list Chul Won Chung 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 Chul Won Chung affiliated with any hospitals?

According to CMS data, Chul Won Chung is affiliated with Aurora Memorial Hospital Burlington and Aurora St Lukes Medical Center.

When was this NPI record last updated?

The NPPES record for Chul Won Chung was last updated on July 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 days 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.