David Larsen, MD
NPI 1114032885ActiveIndividual· Anesthesiology· Portland, OR
Anesthesiology (MD) in Portland, Oregon, trained at Saint Louis University School of Medicine (class of 2002). Mostly services rather than prescriptions: Medicare paid $28,557 for 348 patients in 2024, with only 19 Part D claims. Ge Healthcare reported $74.00 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1114032885 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 20, 2006 |
| Last updated in NPPES | Jul 16, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | MD26895 | OR |
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 - Anesthesiology (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 348 |
|---|---|
| Services billed | 390 across 12 procedure codes |
| Paid by Medicare | $28,557 |
Part D prescriptions in 2024
| Prescriptions (claims) | 19 · 21 30-day fills |
|---|---|
| Total drug cost | $3,272 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Saint Louis University School of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Anesthesiology |
Medical group
- University Anesthesiology Associates LLCPortland, OR · 241 clinicians
Hospital affiliation
- Ohsu Hospital and ClinicsPortland, OR
Industry payments (Open Payments)
- 2025$74.00 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ge Healthcare | $74.00 | 1 |
What the 2025 payments were for
- Food and Beverage$74.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 597 anesthesiologists in Portland · All anesthesiologists in Oregon