Andrew Joseph Ahmann, MD
NPI 1891701405ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Portland, OR
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) in Portland, Oregon, licensed in OR, with an NPI issued in August 2006. Their prescriptions cost Medicare Part D more than their services did: $723,578 for 1,514 claims, against $13,242 paid for services in 2024. Medtronic, Inc. reported $241.03 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1891701405 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 1, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | MD16524 | 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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 84 |
|---|---|
| Services billed | 220 across 12 procedure codes |
| Paid by Medicare | $13,242 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,514 · 3,626 30-day fills |
|---|---|
| Patients | 138 |
| Total drug cost | $723,578 |
| Generic share | 42% of claims |
Industry payments (Open Payments)
- 2025$241.03 · 2 payments from 1 company
- 2024$6,408 · 11 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $241.03 | 2 |
What the 2025 payments were for
- Food and Beverage$228.61 · 1 payment
- Travel and Lodging$12.42 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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