Karen Dietrich Walker, M.D.
NPI 1669430872ActiveIndividual· Dermatology· Northport, AL
Dermatology (M.D.) in Northport, Alabama, trained at University of Alabama School of Medicine (class of 2002). Their prescriptions cost Medicare Part D more than their services did: $406,425 for 1,235 claims, against $103,780 paid for services in 2024. Abbvie Inc. was the largest of 15 companies reporting payments in 2025, $1,117 in all, mostly food and beverage.
Overview
| NPI | 1669430872 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 4, 2006 |
| Last updated in NPPES | Dec 26, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 00026457 | AL |
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) | Enrolled Practitioner - Dermatology (AL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 502 |
|---|---|
| Services billed | 2,172 across 40 procedure codes |
| Paid by Medicare | $103,780 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,235 · 1,582 30-day fills |
|---|---|
| Patients | 420 |
| Total drug cost | $406,425 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of Alabama School of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Dermatology |
Medical group
- Alabama Dermatology Associates, PCNorthport, AL · 11 clinicians
Industry payments (Open Payments)
- 2025$1,117 · 58 payments from 15 companies
- 2024$1,790 · 86 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $317.23 | 20 |
| Leo Pharma Inc. | $254.23 | 11 |
| Novartis Pharmaceuticals Corporation | $188.70 | 9 |
| Regeneron Healthcare Solutions, Inc. | $80.39 | 3 |
| Genzyme Corporation | $40.69 | 2 |
What the 2025 payments were for
- Food and Beverage$1,117 · 58 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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