Mary Catherine Ridgeway, MD
NPI 1477585875ActiveIndividual· Internal Medicine· Wenatchee, WA
Internal Medicine (MD) in Wenatchee, Washington, trained at Oregon Health Sciences University School of Medicine (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $595,126 for 8,889 claims, against $652.07 paid for services in 2024.
Overview
| NPI | 1477585875 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 7, 2006 |
| Last updated in NPPES | May 13, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD00041079 | 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 | 39 |
|---|---|
| Services billed | 54 across 11 procedure codes |
| Paid by Medicare | $652.07 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,889 · 20,711 30-day fills |
|---|---|
| Patients | 546 |
| Total drug cost | $595,126 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Oregon Health Sciences University School of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Internal Medicine |
Medical groups
- Central Washington Health Services AssociationWenatchee, WA · 721 clinicians
- Wenatchee Valley HospitalBrewster, WA · 24 clinicians
Hospital affiliations
- Confluence Health HospitalWenatchee, WA
- Lake Chelan Community HospitalChelan, WA
Other facilities
- Advanced Home Health Nw of WenatcheeHome health agency · Wenatchee, WA
- Central Washington Health ServicesHome health agency · Wenatchee, WA
- Central Washington Hospital Homecare ServicesHospice · Wenatchee, 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 42 internal medicine physicians in Wenatchee · All internal medicine physicians in Washington