Katherine J. Anderson, MD
NPI 1841459187ActiveIndividual· Internal Medicine· Annapolis, MD
Internal Medicine (MD) in Annapolis, Maryland, trained at University of Maryland School of Medicine (class of 2008). Their prescriptions cost Medicare Part D more than their services did: $532,861 for 5,749 claims, against $224,889 paid for services in 2024. Novo Nordisk Inc was the largest of 11 companies reporting payments in 2025, $463.11 in all, mostly food and beverage.
Overview
| NPI | 1841459187 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 2, 2008 |
| Last updated in NPPES | Jul 6, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | D72375 | MD |
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 (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 655 |
|---|---|
| Services billed | 4,515 across 51 procedure codes |
| Paid by Medicare | $224,889 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,749 · 14,215 30-day fills |
|---|---|
| Patients | 500 |
| Total drug cost | $532,861 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | University of Maryland School of Medicine |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Annapolis Internal Medicine, LLCAnnapolis, MD · 22 clinicians
Hospital affiliation
- Luminis Health Anne Arundel Medical Center, IncAnnapolis, MD
Other facilities
- Amedisys Home Health of Maryland LLCHome health agency · Glen Burnie, MD
- Centerwell Home HealthHome health agency · Columbia, MD
- The Johns Hopkins Home Health Services, IncHome health agency · Baltimore, MD
Industry payments (Open Payments)
- 2025$463.11 · 21 payments from 11 companies
- 2024$473.03 · 24 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $117.24 | 5 |
| Pfizer Inc. | $84.96 | 4 |
| Exact Sciences Corporation | $61.34 | 2 |
| Abbvie Inc. | $47.46 | 2 |
| Lilly USA, LLC | $42.07 | 2 |
What the 2025 payments were for
- Food and Beverage$463.11 · 21 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Annapolis
- 1063531259
- 1063570299
- 1114025996
- 1114926052
- 1144859505
- 1154322352
- 1174942692
- 1194752485
- 1215163407
- 1255319166
- 1265565592
- 1306078076
All 142 internal medicine physicians in Annapolis · All internal medicine physicians in Maryland