Duong M. Duong, MD
NPI 1831154293ActiveIndividual· Internal Medicine· Lakewood, WA
Internal Medicine (MD) with John H Addison MD Ps, practicing in Lakewood, Washington. Their prescriptions cost Medicare Part D more than their services did: $152,743 for 3,785 claims, against $38,182 paid for services in 2024. Abbvie Inc. reported $124.16 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1831154293 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Apr 19, 2006 |
| Last updated in NPPES | Sep 5, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD00017755 | WA |
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 (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 73 |
|---|---|
| Services billed | 379 across 6 procedure codes |
| Paid by Medicare | $38,182 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,785 · 3,970 30-day fills |
|---|---|
| Patients | 146 |
| Total drug cost | $152,743 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 1975 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- John H Addison MD PsMercer Island, WA · 6 clinicians
Other facilities
- Evergreenhealth Home Care ServicesHome health agency · Kirkland, WA
- Evergreen Health Hospice CareHospice · Kirkland, WA
- Kline Galland Hospice ServicesHospice · Seattle, WA
- Briarwood at Timber RidgeNursing home · Issaquah, WA
Industry payments (Open Payments)
- 2025$124.16 · 1 payment from 1 company
- 2024$112.30 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $124.16 | 1 |
What the 2025 payments were for
- Food and Beverage$124.16 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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