Kerry L. Ahrens, M.D.
NPI 1639497621ActiveIndividual· Emergency Medicine· Green Bay, WI
Emergency Medicine (M.D.) in Green Bay, Wisconsin, trained at Medical College of Wisconsin (class of 2010). 191 Medicare patients in 2024, $21,855 paid; nearly all of their 252 Part D prescriptions were generic (94%). Genentech, Inc. reported $99.90 in payments in 2024, mostly education.
Overview
| NPI | 1639497621 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 14, 2010 |
| Last updated in NPPES | Apr 9, 2024 |
| Certified by provider | Apr 9, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 56440 | WI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Emergency Medicine (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 191 |
|---|---|
| Services billed | 223 across 22 procedure codes |
| Paid by Medicare | $21,855 |
Part D prescriptions in 2024
| Prescriptions (claims) | 252 · 254 30-day fills |
|---|---|
| Patients | 165 |
| Total drug cost | $3,604 |
| Generic share | 94% of claims |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Emergency Medicine |
Medical groups
- Aurora Medical Group, Inc.Milwaukee, WI · 3,813 clinicians
- Baycare Clinic LLPGreen Bay, WI · 200 clinicians
- Baycare Aurora LLCGreen Bay, WI · 194 clinicians
- Aurora Health Care North IncTwo Rivers, WI · 19 clinicians
Hospital affiliations
- Aurora Baycare Medical CtrGreen Bay, WI
- Aurora Medical Center Bay AreaMarinette, WI
- Aurora Medical Ctr Manitowoc CountyTwo Rivers, WI
Industry payments (Open Payments)
- 2024$99.90 · 2 payments from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Genentech, Inc. | $99.90 | 2 |
What the 2024 payments were for
- Education$99.90 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 45 emergency medicine physicians in Green Bay · All emergency medicine physicians in Wisconsin