John Y. Peng, MD
NPI 1669485447ActiveIndividual· Internal Medicine· Lynnwood, WA
Internal Medicine (MD) in Lynnwood, Washington, trained at Albany Medical College of Union University (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $471,719 for 5,203 claims, against $67,072 paid for services in 2024. Phathom Pharmaceuticals, Inc. was the largest of 2 companies reporting payments in 2024, $137.45 in all, mostly food and beverage.
Overview
| NPI | 1669485447 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 14, 2006 |
| Last updated in NPPES | Feb 1, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD00037612 | 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 | 329 |
|---|---|
| Services billed | 2,206 across 49 procedure codes |
| Paid by Medicare | $67,072 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,203 · 11,590 30-day fills |
|---|---|
| Patients | 525 |
| Total drug cost | $471,719 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Albany Medical College of Union University |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Select Rehabilitation, LLCGlenview, IL · 2,046 clinicians
- Virginia Mason Medical CenterSeattle, WA · 867 clinicians
- Select Outpatient Services IncGlenview, IL · 805 clinicians
Hospital affiliation
- Virginia Mason Medical CenterSeattle, WA
Other facilities
- Centerwell Home HealthHome health agency · Everett, WA
- Evergreenhealth Home Care ServicesHome health agency · Kirkland, WA
Industry payments (Open Payments)
- 2024$137.45 · 2 payments from 2 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Phathom Pharmaceuticals, Inc. | $121.40 | 1 |
| Janssen Pharmaceuticals, Inc | $16.05 | 1 |
What the 2024 payments were for
- Food and Beverage$137.45 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 31 internal medicine physicians in Lynnwood · All internal medicine physicians in Washington