KATHLEEN KIERNAN HARNDEN M.D.
NPI 1033438270
Internal Medicine - Medical Oncology in Fairfax, VA
About Kathleen Kiernan Harnden M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHLEEN KIERNAN HARNDEN M.D. (NPI 1033438270) is an individual medical oncology provider in Fairfax, Virginia, licensed in Virginia (0101260448) and active in the NPI registry since May 2010. She is enrolled in Medicare PECOS, is affiliated with Inova Loudoun Hospital, and is a graduate of University Of Southern California Keck School Of Medicine (2010).
NPPES Registry Identity
Specialties & Licenses
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Kathleen Kiernan Harnden M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Inova Loudoun Hospital
Acute Care Hospitals · Leesburg, VAInova Fairfax Hospital
Acute Care Hospitals · Falls Church, VAInova Fair Oaks Hospital
Acute Care Hospitals · Fairfax, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22031 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FAIRFAX, VA 22031
FAIRFAX, VA 22031
FAIRFAX, VA 22031
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Kathleen Harnden's NPI number?
The NPI number for Kathleen Harnden is 1033438270. It was assigned to this individual provider in the NPPES registry on May 27, 2010.
Where is Kathleen Harnden located?
Kathleen Harnden practices at 8081 Innovation Park Dr, Fairfax, VA 22031. The listed phone number is (571) 472-4724.
What is Kathleen Harnden's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.
Is Kathleen Harnden enrolled in Medicare?
Yes. Kathleen Harnden is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Is Kathleen Harnden affiliated with any hospitals?
According to CMS data, Kathleen Harnden is affiliated with Inova Loudoun Hospital, Inova Fairfax Hospital and Inova Fair Oaks Hospital.
When was this NPI record last updated?
The NPPES record for Kathleen Harnden was last updated on April 23, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.
