Physician Profile

Karen K. Ballen, MD

Unclaimed Profile

About Dr. Ballen

Karen K. Ballen, MD is a healthcare provider in Falls Church, VA specializing in hematology. Karen is also listed as specializing in internal medicine and hematology & oncology. According to Medicare claims data, Karen cared for 269 Medicare patients across 592 services. The services billed most often include visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient', established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more.

Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.

Education & Training

Medical School Other Graduated: 1982

Specialty

Hematology (Primary)
Hematology & Oncology (Additional)
Internal Medicine (Additional)
Hematology (Additional)

Credentials & Licensing

VA license0101261336
MA license70975
NPI1821089558
NPI issued11/02/2005

License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.

Medicare information

Accepts Medicare assignmentYes
Telehealth reported to CMSYes
Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What kind of doctor is Dr. Ballen?

Dr. Ballen is a hematology in Falls Church, VA. That is the designation recorded for this NPI in the federal registry.

NPI registry

What is Dr. Ballen's address?

Dr. Ballen is listed at 3300 Gallows Rd, Falls Church, VA 22042. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Dr. Ballen?

The number on file is (571) 423-5699. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Dr. Ballen's NPI number?

Dr. Ballen's National Provider Identifier is 1821089558. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

Where did Dr. Ballen train?

Dr. Ballen attended Other, graduating in 1982. This comes from the CMS National Downloadable File.

CMS public data

How long has Dr. Ballen been practicing?

Dr. Ballen has 44 years experience. Calculated from a graduation year of 1982, reported in the CMS National Downloadable File.

CMS public data

What procedures does Dr. Ballen perform?

According to Medicare billing data, Dr. Ballen the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Has Dr. Ballen confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ballen. If this is you, claiming it is free.

Guide.md

Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.