Kathleen Kiernan Harnden, M.D.

Primary specialty

Medical Oncology PhysicianTaxonomy code 207RX0202X

License

0101260448 Issued in VA

Practice address

8081 Innovation Park Dr
Fairfax, VA 22031-4867

Phone

(571) 472-4724

NPI assigned

May 27, 2010

Last updated

Apr 23, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in DC, VA2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 2

Specialty

Medical OncologyAlso: Internal Medicine

Education

University of Southern California Keck School of Medicine, 2010

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Inova Health Care ServicesGroup PAC ID 2466351093, 1,821 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Inova Fairfax Hospital Hospital, Falls Church, VA, CCN 490063
• Inova Fair Oaks Hospital Hospital, Fairfax, VA, CCN 490101
• Inova Loudoun Hospital Hospital, Leesburg, VA, CCN 490043
• Inova Alexandria Hospital Hospital, Alexandria, VA, CCN 490040

Merit-based Incentive Payment System (MIPS)

Final score

83.36 of 100Reported as group

Quality

73.03

Promoting interoperability

100

Improvement activities

40

Cost

71.49

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Inova Health Care Services

  • Internal Medicine Physician
  • Falls Church, VA
  • NPI 1952320061

  DC

  Medicare reassignment Care Compare group NPD
• Inova Health Care Services

  dba Inova Fairfax Hospital Schar Physicians

  • Medical Oncology Physician
  • Fairfax, VA
  • NPI 1275097123

  DC

  Medicare reassignment
• Inova Health Care Services

  dba Inova Juniper Program

  • Multi-Specialty Clinic/Center
  • Fairfax, VA
  • NPI 1669511051
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Inova Health Care Services

  dba Inova Alexandria Hospital

  • General Acute Care Hospital
  • Alexandria, VA
  • NPI 1255684460
  Care Compare affiliation
• Inova Health Care Services

  dba Inova Loudoun Hospital

  • Psychiatric Hospital Unit
  • Leesburg, VA
  • NPI 1285786228
  Care Compare affiliation
• Inova Health Care Services

  dba Inova Loudoun Hospital

  • General Acute Care Hospital
  • Leesburg, VA
  • NPI 1376564302
  Care Compare affiliation
• Inova Health Care Services

  dba Inova Fairfax Hospital

  • Rehabilitation Hospital Unit
  • Falls Church, VA
  • NPI 1588795462
  Care Compare affiliation
• Inova Health Care Services

  dba Inova Fair Oaks Hospital

  • General Acute Care Hospital
  • Fairfax, VA
  • NPI 1760513980
  Care Compare affiliation
• Inova Health Care Services

  dba Inova Fairfax Hospital

  • General Acute Care Hospital
  • Falls Church, VA
  • NPI 1831220714
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1274918400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776902400000",
    "number": "1033438270",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 37174",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212973174",
            "telephone_number": "571-423-5699",
            "fax_number": "571-423-5698"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8081 INNOVATION PARK DR",
            "city": "FAIRFAX",
            "state": "VA",
            "postal_code": "220314867",
            "telephone_number": "571-472-4724"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HARNDEN",
        "first_name": "KATHLEEN",
        "middle_name": "KIERNAN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-05-27",
        "last_updated": "2026-04-23",
        "certification_date": "2026-04-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "VA",
            "license": "0101260448",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "kharnden219219@soc.inova.org",
            "affiliation": "Y",
            "endpointDescription": "Health Information Exchange",
            "affiliationName": "Inova Health Care Services",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCDA",
            "address_1": "8081 Innovation Park Dr",
            "city": "Fairfax",
            "state": "VA",
            "country_code": "US",
            "postal_code": "220314867",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Priya Bansal Harlowe, PHD
• Eliisa Harman, MA, CCC-SLP
• Stacie Harmer, MA/ BCBA
• Harmony in Health LLC (Harmony In Health)
• Ivan Peter Harnden, M.D.
• Sally Harney, LPC
• Kelly Harper Larkin
• Harper Therapy Group
• Heather Ann Harper, LCSW
• Jackson Palmore Harrell

• Medical Oncology Physician in Fairfax, VA
• Providers in Fairfax, VA by specialty
• Medical Oncology Physician in Virginia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 23, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.