John Irvin Allen, MD
NPI 1154393502ActiveIndividual· Internal Medicine, Gastroenterology· Ann Arbor, MI
Internal Medicine, Gastroenterology (MD) in Ann Arbor, Michigan, licensed in MI and CT, with an NPI issued in February 2006. Exact Sciences Corporation reported $102.91 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1154393502 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 1, 2006 |
| Last updated in NPPES | Jan 21, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 4301110254 | MI |
| Internal Medicine | 207R00000X | 4301110254 | MI |
| Internal Medicine, Gastroenterology | 207RG0100X | 051552 | CT |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|
Industry payments (Open Payments)
- 2025$102.91 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $102.91 | 2 |
What the 2025 payments were for
- Food and Beverage$102.91 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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