Su Yong Pak, M.D.
NPI 1437169372ActiveIndividual· Internal Medicine· Lynnwood, WA
Internal Medicine (M.D.) in Lynnwood, Washington, licensed in CA, with an NPI issued in August 2006. Their prescriptions cost Medicare Part D more than their services did: $2,058,905 for 22,467 claims, against $105,199 paid for services in 2024. Aimmune Therapeutics, Inc. was the largest of 5 companies reporting payments in 2025, $328.29 in all, mostly food and beverage.
Overview
| NPI | 1437169372 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 9, 2006 |
| Last updated in NPPES | Oct 2, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A34079 | CA |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 353 |
|---|---|
| Services billed | 1,810 across 32 procedure codes |
| Paid by Medicare | $105,199 |
Part D prescriptions in 2024
| Prescriptions (claims) | 22,467 · 38,909 30-day fills |
|---|---|
| Patients | 874 |
| Total drug cost | $2,058,905 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1972 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Diagnostic Radiology |
Other facilities
- Alta Home Health Care Services, Inc.Home health agency · Garden Grove, CA
- Livingstone Home Health Services, IncHome health agency · Buena Park, CA
- Western Home Care, IncHome health agency · Buena Park, CA
- Starline Hospice, IncHospice · Los Angeles, CA
- Buena Park Nursing CenterNursing home · Buena Park, CA
Industry payments (Open Payments)
- 2025$328.29 · 14 payments from 5 companies
- 2024$264.39 · 8 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Aimmune Therapeutics, Inc. | $173.71 | 8 |
| Abbvie Inc. | $76.38 | 3 |
| Bayer Healthcare Pharmaceuticals Inc. | $32.23 | 1 |
| Otsuka America Pharmaceutical, Inc. | $23.89 | 1 |
| Lilly USA, LLC | $22.08 | 1 |
What the 2025 payments were for
- Food and Beverage$328.29 · 14 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