Peter Wk Wong, M.D.
NPI 1922157999ActiveIndividual· Internal Medicine, Gastroenterology· Fredericksburg, VA
Internal Medicine, Gastroenterology (M.D.) in Fredericksburg, Virginia, trained at University of Virginia School of Medicine (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $630,194 for 1,732 claims, against $173,050 paid for services in 2024. Janssen Biotech, Inc. was the largest of 15 companies reporting payments in 2025, $897.71 in all, mostly food and beverage.
Overview
| NPI | 1922157999 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 9, 2007 |
| Last updated in NPPES | Feb 21, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 0101053153 | VA |
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 - Gastroenterology (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 488 |
|---|---|
| Services billed | 4,200 across 46 procedure codes |
| Paid by Medicare | $173,050 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,732 · 3,540 30-day fills |
|---|---|
| Patients | 410 |
| Total drug cost | $630,194 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | University of Virginia School of Medicine |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Gastroenterology |
Medical group
- Mary Washington Healthcare Providers LLCMc Lean, VA · 262 clinicians
Hospital affiliations
- Mary Washington HospitalFredericksburg, VA
- Stafford Hospital, LLCStafford, VA
Industry payments (Open Payments)
- 2025$897.71 · 49 payments from 15 companies
- 2024$1,445 · 63 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $248.67 | 15 |
| Takeda Pharmaceuticals U.S.A., Inc. | $128.07 | 7 |
| Ardelyx, Inc. | $107.41 | 7 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $73.29 | 3 |
| Pfizer Inc. | $58.93 | 3 |
What the 2025 payments were for
- Food and Beverage$897.71 · 49 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other gastroenterologists in Fredericksburg
- 1073566642
- 1265516686
- 1346238821
- 1427390822
- 1568882207
- 1649488230
- 1700866472
- 1942464102
- 1629048723
- 1245867944
- 1164477493
- 1841226016
All 16 gastroenterologists in Fredericksburg · All gastroenterologists in Virginia