Kathleen Kiernan Harnden, M.D.
NPI 1033438270ActiveIndividual· Internal Medicine, Medical Oncology· Fairfax, VA
Internal Medicine, Medical Oncology (M.D.) in Fairfax, Virginia, trained at University of Southern California Keck School of Medicine (class of 2010). Their prescriptions cost Medicare Part D more than their services did: $260,725 for 867 claims, against $40,181 paid for services in 2024. Daiichi Sankyo Inc. was the largest of 4 companies reporting payments in 2025, $42,501 in all, mostly speaking and faculty fees.
Overview
| NPI | 1033438270 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 27, 2010 |
| Last updated in NPPES | Apr 23, 2026 |
| Certified by provider | Apr 23, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 0101260448 | VA |
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 - Medical Oncology (DC); Practitioner - Medical Oncology (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 282 |
|---|---|
| Services billed | 538 across 13 procedure codes |
| Paid by Medicare | $40,181 |
Part D prescriptions in 2024
| Prescriptions (claims) | 867 · 2,186 30-day fills |
|---|---|
| Patients | 231 |
| Total drug cost | $260,725 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | University of Southern California Keck School of Medicine |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Medical Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Inova Health Care ServicesAlexandria, VA · 1,817 clinicians
Hospital affiliations
- Inova Alexandria HospitalAlexandria, VA
- Inova Fair Oaks HospitalFairfax, VA
- Inova Fairfax HospitalFalls Church, VA
- Inova Loudoun HospitalLeesburg, VA
Industry payments (Open Payments)
- 2025$42,501 · 25 payments from 4 companies
- 2024$29,342 · 21 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Daiichi Sankyo Inc. | $32,157 | 19 |
| Merck Sharp & Dohme LLC | $5,903 | 3 |
| Astrazeneca Pharmaceuticals LP | $4,355 | 2 |
| Tempus Ai, Inc | $86.55 | 1 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$33,230 · 8 payments
- Consulting Fee$7,873 · 6 payments
- Travel and Lodging$876.65 · 6 payments
- Food and Beverage$521.65 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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