Kathleen Kiernan Harnden, M.D.
Medical Oncology Physician · Fairfax, VA
Kathleen Kiernan Harnden, M.D. is a medical oncology physician with a practice address in Fairfax, Virginia, and NPI 1033438270, issued on May 27, 2010. Check the license (Virginia 0101260448, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Kathleen Kiernan Harnden
- Credential
- M.D.
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- 0101260448 VA
Self-reported in NPPES; status is on the state search - Practice location
- 8081 Innovation Park Dr, Fairfax, VA 22031
- Phone
- (571) 472-4724
- Enumerated
- May 27, 2010
- Record last updated
- Apr 23, 2026
- Medicare enrollment
- Enrolled (PECOS I20160831001911); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 2010
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 107 in Virginia → Look up another NPI →
Also registered at 8081 Innovation Park Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bilal Abboud, RPHPharmacist1851953269
- Nagla Abdel Karim, MDMedical Oncology Physician1881805166
- Vanya Aggarwal, MDHematology & Oncology Physician1134784309
- Germame Ajebo, MDHematology (Internal Medicine) Physician1396183661
- Jafar Al-Mondhiry, M.D.Medical Oncology Physician1528446242
- Sheinei Alan, MD, PHDInternal Medicine Physician1073046538
Verify Kathleen Kiernan Harnden in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101260448Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% more Medicare Part D claims than the average medical oncology physician in 2024
867 Medicare Part D claims for 231 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.
Most prescribed
- Letrozole506 claims
- Anastrozole55 claims
- Exemestane43 claims
- Tamoxifen Citrate29 claims
- Dexamethasone21 claims
- Eliquis17 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 81.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $29,341.50
21 payments; by number, the most common kind was compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program; the largest payer was Daiichi Sankyo Inc. The 3,343 providers of this specialty with any payment received $11,773.47 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Inova Health Care ServicesFalls Church, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kathleen Kiernan Harnden among 107 medical oncology physician records in Virginia
Kathleen Kiernan Harnden, M.D. is one of 107 medical oncology physician records with a practice address in Virginia. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 65% of them.
- NPI issued2010 · 65% of these records are older, 30% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2010 · median 2004 among the 79 with a school on file
- Record last updated2026 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in Virginia
There are 107 medical oncology physician records in Virginia.
All 107 in Virginia → Every provider in Fairfax → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Nagla Abdel Karim, MDFairfax, VA 220311881805166
- Roy Beveridge, M.D.Fairfax, VA 220311528035532
- Adam Cohen, MDFairfax, VA 220311528281375
- Raymund Cuevo, M.D.Fairfax, VA 220311003824210
- John Deeken, MDFairfax, VA 220311659390755
- Anne Favret, M.D.Fairfax, VA 220311205803202
- David Heyer, M.D.Fairfax, VA 220311811912363
- Rebecca Kaltman, MDFairfax, VA 220311548362700
Common questions
What is Kathleen Kiernan Harnden, M.D.'s NPI number?
Kathleen Kiernan Harnden, M.D.'s National Provider Identifier (NPI) is 1033438270, issued on May 27, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Kathleen Kiernan Harnden, M.D. located?
The NPPES record lists a practice address at 8081 Innovation Park Dr, Fairfax, VA, 22031. Phone: (571) 472-4724. Providers update this record themselves, so call before visiting.
How can I verify Kathleen Kiernan Harnden, M.D.'s license?
NPPES lists Virginia license number 0101260448, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kathleen Kiernan Harnden, M.D. prescribe under Medicare Part D?
In 2024, Kathleen Kiernan Harnden, M.D. had 867 Medicare Part D claims for 231 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.
What is Kathleen Kiernan Harnden, M.D.'s MIPS final score?
The 2023 MIPS final score is 81.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.