Nicolas Alfonso Villa Guillen, M.D.
NPI 1265696553ActiveIndividual· Internal Medicine, Gastroenterology· Spokane, WA
Internal Medicine, Gastroenterology (M.D.) with Multicare Health System and 1 other group, practicing in Spokane, Washington. 687 Medicare patients in 2024, $163,513 paid; nearly all of their 1,932 Part D prescriptions were generic (93%). 3-D Matrix, Inc. was the largest of 17 companies reporting payments in 2025, $4,338 in all, mostly food and beverage. Lists Alaska Regional Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1265696553 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 15, 2008 |
| Last updated in NPPES | Sep 28, 2021 |
| Certified by provider | Sep 28, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | MD60501812 | WA |
| Internal Medicine | 207R00000X | BP10031201 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (AK); Practitioner - Gastroenterology (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 687 |
|---|---|
| Services billed | 1,236 across 63 procedure codes |
| Paid by Medicare | $163,513 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,932 · 2,209 30-day fills |
|---|---|
| Patients | 963 |
| Total drug cost | $100,712 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2006 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical groups
- Multicare Health SystemTacoma, WA · 2,325 clinicians
- Pioneer Gi Clinic, APCAnchorage, AK · 8 clinicians
Hospital affiliations
- Alaska Regional HospitalAnchorage, AK
- Deaconess Medical CenterSpokane, WA
- Multicare Valley HospitalSpokane Valley, WA
- Providence Alaska Medical CenterAnchorage, AK
- Yakima Valley MemorialYakima, WA
Industry payments (Open Payments)
- 2025$4,338 · 42 payments from 17 companies
- 2024$2,164 · 35 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| 3-D Matrix, Inc. | $1,528 | 9 |
| Boston Scientific Corporation | $922.61 | 10 |
| Cook Medical LLC | $461.82 | 6 |
| Olympus America Inc. | $414.66 | 3 |
| Braintree Laboratories, Inc. | $157.89 | 1 |
What the 2025 payments were for
- Food and Beverage$4,338 · 42 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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