Sun Tok Chaney, M.D.
NPI 1669494423ActiveIndividual· Internal Medicine· Covington, LA
Internal Medicine (M.D.) in Covington, Louisiana, trained at Southern Illinois University School of Medicine (class of 2001). In 2024 Medicare paid $42,696 for 212 patients, and Part D covered 694 of their prescriptions, 89% of them generic. Pfizer Inc. reported $39.78 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1669494423 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 24, 2006 |
| Last updated in NPPES | Mar 16, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 025810 | LA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 212 |
|---|---|
| Services billed | 528 across 5 procedure codes |
| Paid by Medicare | $42,696 |
Part D prescriptions in 2024
| Prescriptions (claims) | 694 · 936 30-day fills |
|---|---|
| Patients | 290 |
| Total drug cost | $37,602 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Southern Illinois University School of Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Internal Medicine |
Medical group
- St Tammany Parish Hospital Service District No 1Covington, LA · 166 clinicians
Hospital affiliation
- St Tammany Parish HospitalCovington, LA
Industry payments (Open Payments)
- 2025$39.78 · 2 payments from 1 company
- 2024$195.87 · 9 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $39.78 | 2 |
What the 2025 payments were for
- Food and Beverage$39.78 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 85 internal medicine physicians in Covington · All internal medicine physicians in Louisiana