Eugene Villanueva De Guzman, M.D.
NPI 1699940874ActiveIndividual· Internal Medicine, Nephrology· Mount Vernon, WA
Internal Medicine, Nephrology (M.D.) with Public Hospital Dist No 1 Skagit, practicing in Mount Vernon, Washington. Their prescriptions cost Medicare Part D more than their services did: $204,562 for 2,061 claims, against $103,613 paid for services in 2024. Lists Cascade Valley Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1699940874 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 28, 2008 |
| Last updated in NPPES | Oct 25, 2021 |
| Certified by provider | Oct 25, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | MD60858455 | 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 - Nephrology (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 372 |
|---|---|
| Services billed | 1,081 across 21 procedure codes |
| Paid by Medicare | $103,613 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,061 · 5,144 30-day fills |
|---|---|
| Patients | 304 |
| Total drug cost | $204,562 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Public Hospital Dist No 1 SkagitMount Vernon, WA · 323 clinicians
Hospital affiliations
- Cascade Valley HospitalArlington, WA
- Island HospitalAnacortes, WA
- Peacehealth Peace Island Medical CenterFriday Harbor, WA
- Skagit Valley HospitalMount Vernon, WA
- Whidbeyhealth Medical CenterCoupeville, WA
Other facilities
- Fresenius Kidney Care Skagit ValleyDialysis facility · Mount Vernon, WA
- Puget Sound Kidney Center Smokey PointDialysis facility · Arlington, WA
- Puget Sound Kidney Center Whidbey IslandDialysis facility · Oak Harbor, WA
- Puget Sound Kidney Centers AnacortesDialysis facility · Anacortes, 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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