James William Gast, MD
NPI 1710961529ActiveIndividual· Family Medicine· Green Bay, WI
Family Medicine (MD) in Green Bay, Wisconsin, trained at Medical College of Wisconsin (class of 1996). Their prescriptions cost Medicare Part D more than their services did: $754,760 for 10,821 claims, against $348,097 paid for services in 2024. Pfizer Inc. reported $19.43 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1710961529 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 5, 2005 |
| Last updated in NPPES | Sep 19, 2022 |
| Certified by provider | Sep 19, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 40844 | WI |
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 (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 3,746 |
|---|---|
| Services billed | 25,724 across 149 procedure codes |
| Paid by Medicare | $348,097 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,821 · 25,853 30-day fills |
|---|---|
| Patients | 812 |
| Total drug cost | $754,760 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Family Practice |
Medical groups
- Bellin Memorial Hospital IncGreen Bay, WI · 697 clinicians
- Oconto Hospital and Medical Center IncMarinette, WI · 222 clinicians
Hospital affiliation
- Bellin Memorial HospitalGreen Bay, WI
Other facilities
- Bellin Home Health AgencyHome health agency · Green Bay, WI
- Unity HospiceHospice · De Pere, WI
- Rennes Health and Rehab Center-De PereNursing home · De Pere, WI
- Woodside Lutheran HomeNursing home · Green Bay, WI
Industry payments (Open Payments)
- 2025$19.43 · 1 payment from 1 company
- 2024$98.42 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $19.43 | 1 |
What the 2025 payments were for
- Food and Beverage$19.43 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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