Gregory D. Bills, MD
NPI 1851367940ActiveIndividual· Obstetrics & Gynecology· Madison, WI
Obstetrics & Gynecology (MD) in Madison, Wisconsin, licensed in WI, with an NPI issued in February 2006. Mostly services rather than prescriptions: Medicare paid $4,093 for 39 patients in 2024, with only 13 Part D claims.
Overview
| NPI | 1851367940 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 27, 2006 |
| Last updated in NPPES | Jul 1, 2024 |
| Certified by provider | Jul 1, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 33367 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 39 |
|---|---|
| Services billed | 59 across 19 procedure codes |
| Paid by Medicare | $4,093 |
Part D prescriptions in 2024
| Prescriptions (claims) | 13 · 29 30-day fills |
|---|---|
| Total drug cost | $3,782 |
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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