Christopher Dryden Evans, MD
NPI 1811160468ActiveIndividual· Internal Medicine, Infectious Disease· Portland, OR
Internal Medicine, Infectious Disease (MD) with University Professional Services, practicing in Portland, Oregon. Their prescriptions cost Medicare Part D more than their services did: $3,781,683 for 3,478 claims, against $5,288 paid for services in 2024. Viiv Healthcare Company reported $66.30 in payments in 2025, mostly food and beverage. Lists Hillsboro Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1811160468 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 3, 2008 |
| Last updated in NPPES | Jun 23, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | MD166842 | OR |
| Internal Medicine, Infectious Disease | 207RI0200X | MD9267 | TX |
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 (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 46 |
|---|---|
| Services billed | 81 across 12 procedure codes |
| Paid by Medicare | $5,288 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,478 · 4,559 30-day fills |
|---|---|
| Patients | 119 |
| Total drug cost | $3,781,683 |
| Generic share | 68% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- University Professional ServicesBeaverton, OR · 1,724 clinicians
Hospital affiliations
- Hillsboro Medical CenterHillsboro, OR
- Ohsu Hospital and ClinicsPortland, OR
Industry payments (Open Payments)
- 2025$66.30 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Viiv Healthcare Company | $66.30 | 1 |
What the 2025 payments were for
- Food and Beverage$66.30 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other infectious disease specialists in Portland
- 1003965948
- 1104017052
- 1104143726
- 1396236527
- 1417160797
- 1609806785
- 1609950849
- 1679509525
- 1710054218
- 1811189632
- 1831552298
- 1841226255
All 85 infectious disease specialists in Portland · All infectious disease specialists in Oregon