David R. Maslen, MD
NPI 1033192521ActiveIndividual· Internal Medicine· Milwaukie, OR
Internal Medicine (MD) with Northwest Primary Care Group PC, practicing in Milwaukie, Oregon. Their prescriptions cost Medicare Part D more than their services did: $444,756 for 6,304 claims, against $42,779 paid for services in 2024. Lundbeck LLC was the largest of 2 companies reporting payments in 2025, $60.37 in all, mostly education. Lists Providence Milwaukie Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1033192521 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 29, 2005 |
| Last updated in NPPES | Aug 6, 2026 |
| Certified by provider | Aug 6, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD19175 | OR |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 115 |
|---|---|
| Services billed | 1,219 across 85 procedure codes |
| Paid by Medicare | $42,779 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,304 · 13,659 30-day fills |
|---|---|
| Patients | 530 |
| Total drug cost | $444,756 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1991 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Northwest Primary Care Group PCMilwaukie, OR · 47 clinicians
Hospital affiliations
- Providence Milwaukie HospitalMilwaukie, OR
- Providence Portland Medical CenterPortland, OR
- Providence Willamette Falls Medical CenterOregon City, OR
Other facilities
- Providence Home HealthHome health agency · Portland, OR
- Providence HospiceHospice · Portland, OR
Industry payments (Open Payments)
- 2025$60.37 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lundbeck LLC | $38.54 | 1 |
| Abbott Laboratories | $21.83 | 1 |
What the 2025 payments were for
- Education$38.54 · 1 payment
- Food and Beverage$21.83 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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