Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Karen K. Ballen, MD

Individual provider Internal Medicine Physician · NPI 1821089558

Karen K. Ballen, MD is a Hematopoietic Cell Transplantation and Cellular Therapy in Falls Church, Virginia. Qualified in 1982, 44 years ago. Practices with University of Virginia Physicians Group, a 1,667-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts and Virginia.

Years since qualifying
44
Licensed in
MA, VA
In the registry since
2005
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

3300 Gallows Rd
Falls Church, VA 22042-3307
Phone: (571) 423-5699
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 1215 Lee St, Charlottesville, VA 22908-3307 — (434) 924-0211
  • 1240 Lee St, Charlottesville, VA 22908-0001 — (434) 924-9333

Specialties & licences

Hematology (Internal Medicine) Physician (primary) Taxonomy 207RH0000X · Licence 0101261336 (VA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 70975 (MA)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence 70975 (MA)
Hepatology Physician Taxonomy 207RI0008X · Licence 0101261336 (VA)

Record details

NPI number1821089558
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 2, 2005
Last updated in NPPESAugust 8, 2023
Certification dateAugust 8, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHEMATOPOIETIC CELL TRANSPLANTATION AND CELLULAR THERAPY
Also practisesHEMATOLOGY/ONCOLOGY
Medical schoolOTHER
Graduated 1982 (44 years in practice)
Group practice University Of Virginia Physicians Group — 1667 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

Other providers in Falls Church