Matthew Casimo, MD
NPI 1144275595ActiveIndividual· Internal Medicine, Gastroenterology· Vancouver, WA
Internal Medicine, Gastroenterology (MD) in Vancouver, Washington, trained at University of Vermont College of Medicine (class of 1984). Their prescriptions cost Medicare Part D more than their services did: $237,611 for 519 claims, against $37,729 paid for services in 2024.
Overview
| NPI | 1144275595 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 24, 2006 |
| Last updated in NPPES | Jan 21, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | MD00026445 | WA |
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 - Gastroenterology (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 192 |
|---|---|
| Services billed | 531 across 72 procedure codes |
| Paid by Medicare | $37,729 |
Part D prescriptions in 2024
| Prescriptions (claims) | 519 · 718 30-day fills |
|---|---|
| Patients | 304 |
| Total drug cost | $237,611 |
| Generic share | 75% of claims |
Education and affiliations
| Medical school | University of Vermont College of Medicine |
|---|---|
| Graduation year | 1984 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- The Vancouver Clinic Inc PsVancouver, WA · 590 clinicians
Hospital affiliation
- Legacy Salmon Creek Medical CenterVancouver, WA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 30 gastroenterologists in Vancouver · All gastroenterologists in Washington