Karen Lynn Williams, M.D.
NPI 1477731271ActiveIndividual· Internal Medicine· Saint Paul, MN
Internal Medicine (M.D.) in Saint Paul, Minnesota, trained at University of Wisconsin School of Medicine (class of 2004). 78 Medicare patients in 2024, $18,848 paid; nearly all of their 226 Part D prescriptions were generic (93%). Abbott Laboratories reported $22.70 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1477731271 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 4, 2008 |
| Last updated in NPPES | Dec 7, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 51826 | MN |
| Internal Medicine | 207R00000X | 63103-20 | 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 (MN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 78 |
|---|---|
| Services billed | 215 across 5 procedure codes |
| Paid by Medicare | $18,848 |
Part D prescriptions in 2024
| Prescriptions (claims) | 226 · 330 30-day fills |
|---|---|
| Patients | 49 |
| Total drug cost | $15,214 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | University of Wisconsin School of Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Internal Medicine |
Medical group
- Group Health IncBloomington, MN · 1,638 clinicians
Hospital affiliation
- Regions HospitalSaint Paul, MN
Industry payments (Open Payments)
- 2025$22.70 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $22.70 | 1 |
What the 2025 payments were for
- Food and Beverage$22.70 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 259 internal medicine physicians in Saint Paul · All internal medicine physicians in Minnesota