Kirsten L. O'Quinn, MD
NPI 1841237781ActiveIndividual· Family Medicine· Germantown, WI
Family Medicine (MD) in Germantown, Wisconsin, trained at Medical College of Wisconsin (class of 2002). Their prescriptions cost Medicare Part D more than their services did: $163,387 for 923 claims, against $6,608 paid for services in 2024. Astellas Pharma US Inc was the largest of 7 companies reporting payments in 2025, $507.75 in all, mostly food and beverage.
Overview
| NPI | 1841237781 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 31, 2006 |
| Last updated in NPPES | Aug 29, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 45885 | 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 - Internal Medicine (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 19 |
|---|---|
| Services billed | 149 across 19 procedure codes |
| Paid by Medicare | $6,608 |
Part D prescriptions in 2024
| Prescriptions (claims) | 923 · 2,203 30-day fills |
|---|---|
| Patients | 92 |
| Total drug cost | $163,387 |
| Generic share | 76% of claims |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Family Practice |
Medical group
- Partners in Health Collective SCWhitefish Bay, WI · 3 clinicians
Hospital affiliation
- Froedtert Memorial Lutheran HospitalMilwaukee, WI
Industry payments (Open Payments)
- 2025$507.75 · 21 payments from 7 companies
- 2024$467.29 · 30 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $302.18 | 9 |
| Abbvie Inc. | $64.50 | 3 |
| Merck Sharp & Dohme LLC | $46.49 | 3 |
| Amgen Inc. | $30.40 | 2 |
| Pfizer Inc. | $28.93 | 2 |
What the 2025 payments were for
- Food and Beverage$323.76 · 19 payments
- Education$183.99 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 17 family medicine physicians in Germantown · All family medicine physicians in Wisconsin