Gretchen Marie Potschka, MD
NPI 1811994718ActiveIndividual· Internal Medicine· Longview, WA
Internal Medicine (MD) in Longview, Washington, trained at Loma Linda University School of Medicine (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $381,000 for 5,229 claims, against $25,832 paid for services in 2024.
Overview
| NPI | 1811994718 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 7, 2005 |
| Last updated in NPPES | Jan 10, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD00042178 | WA |
| Pediatrics | 208000000X | MD00042178 | 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 - Internal Medicine (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 126 |
|---|---|
| Services billed | 446 across 25 procedure codes |
| Paid by Medicare | $25,832 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,229 · 10,959 30-day fills |
|---|---|
| Patients | 339 |
| Total drug cost | $381,000 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Loma Linda University School of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Pediatric Medicine |
Medical group
- PeacehealthLongview, WA · 195 clinicians
Hospital affiliation
- Peacehealth St John Medical CenterLongview, WA
Other facilities
- Peacehealth Southwest Home HealthHome health agency · Vancouver, 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 50 internal medicine physicians in Longview · All internal medicine physicians in Washington