THOMAS S. CHUNG (M.D.) – Radiation Oncology Physician, NPI 1962473751
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NPPES metrics only — not quality of care.
Provider Addresses for THOMAS S. CHUNG (M.D.)
1011 Bowles Ave Ste G50
Fenton, MO 630260562
Phone: (636) 496-4640
Type: Location
1475 Kisker Road
Suite 190
St. Charles, MO 63304
Phone: (636) 442-7370
Fax: (636) 442-7397
Type: Location
1011 BOWLES AVE STE G50
FENTON, MO 630260562
Phone: (636) 496-4640
Type: Location
PO BOX 955534
SAINT LOUIS, MO 631955534
Phone:
Type: Mailing
915 N GRAND BLVD
SAINT LOUIS, MO 631061621
Phone: (314) 289-6324
Fax: (314) 289-6322
Type: Location
500, Medical Drive, Wentzville, Saint Charles County, Missouri, 63385, United States
WENTZVILLE, MO 63385
Phone: (636) 327-1201
Fax: (636) 327-1222
Type: Mailing
SSM Saint Joseph Medical Park, 1475, Kisker Road, Saint Peters, Saint Charles County, Missouri, 63304, United States
SUITE 190
ST. CHARLES, MO 63304
Phone: (636) 442-7370
Fax: (636) 442-7397
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $435.
Total Amount is formed as General ($435) + Research ($0) + Ownership ($0) = $435.
Last reported payment date: 2023-10-01 • Largest payer in this snapshot: Siemens Medical Solutions USA, Inc. ($171).
Total Amount
$435
General + Research + Ownership
Payments
3
Total payment records
General Amount
$435
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-10-01
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Siemens Medical Solutions USA, Inc. | $171 |
| Elekta, Inc. | $145 |
| PFIZER INC. | $118 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
No Medicare enrollment or revalidation data available for this provider in our database.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 77014 | Ct guidance for insertion of radiation therapy fields | 129 | 11 | $0 |
| 77300 | Calculation of radiation therapy dose | 58 | 12 | $0 |
| 77427 | Radiation treatment management, 5 treatment sessions | 48 | 20 | $0 |
| 77334 | Design and construction of complex radiation treatment device | 24 | 13 | $0 |
| 77290 | Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved | 19 | 11 | $0 |
Insurance plans in this area (ZIP 63026)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| RADIATION ONCOLOGY | MO | 77427 | Radiation treatment management, 5 treatments | 230 | 50 |
Group practice members
- 1
- 2
- 3
- 4
- 5
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology | MO | |
| - | MO | |
| Nurse Practitioner | MO | |
| Physician Assistant | MO | |
| - | MO | |
| Nurse Practitioner | MO | |
| - | MO | |
| - | MO | |
| - | MO | |
| Interventional Pain Management, Anesthesiology | MO |
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