Roberto Amponin Viguilla, M.D.
NPI 1013992536ActiveIndividual· Family Medicine· Roscommon, MI
Family Medicine (M.D.) with Midmichigan Health Services, practicing in Roscommon, Michigan. Their prescriptions cost Medicare Part D more than their services did: $1,173,387 for 9,618 claims, against $5,345 paid for services in 2024. Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) was the largest of 11 companies reporting payments in 2025, $1,067 in all, mostly food and beverage. Lists Munson Healthcare Grayling Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1013992536 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 7, 2005 |
| Last updated in NPPES | Dec 11, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 4301070945 | MI |
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 - Family Practice (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 48 |
|---|---|
| Services billed | 172 across 27 procedure codes |
| Paid by Medicare | $5,345 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,618 · 20,781 30-day fills |
|---|---|
| Patients | 613 |
| Total drug cost | $1,173,387 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 1987 |
|---|---|
| Medicare specialty | Family Practice |
Medical group
- Midmichigan Health ServicesRoscommon, MI · 27 clinicians
Hospital affiliations
- Munson Healthcare Grayling HospitalGrayling, MI
- Mymichigan Medical Center ClareClare, MI
- Mymichigan Medical Center GladwinGladwin, MI
- Mymichigan Medical Center West BranchWest Branch, MI
Other facilities
- Care 2 YouHome health agency · Standish, MI
- Munson Home CareHome health agency · Traverse City, MI
- Heartland Hospice (West Branch)Hospice · West Branch, MI
Industry payments (Open Payments)
- 2025$1,067 · 53 payments from 11 companies
- 2024$897.87 · 54 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $244.11 | 13 |
| Abbvie Inc. | $175.32 | 10 |
| Astrazeneca Pharmaceuticals LP | $153.40 | 10 |
| Glaxosmithkline, LLC. | $103.14 | 5 |
| Phathom Pharmaceuticals, Inc. | $102.03 | 1 |
What the 2025 payments were for
- Food and Beverage$1,067 · 53 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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