KAREN K. BALLEN (MD) – Hematology (Internal Medicine) Physician, NPI 1821089558
Hematology (Internal Medicine) Physician
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NPPES metrics only — not quality of care.
6 HEMATOPOIETIC CELL TRANSPLANTATION AND CELLULAR THERAPY in VA
Provider Addresses for KAREN K. BALLEN (MD)
1240 Lee St
Charlottesville, VA 229080001
Phone: (434) 924-9333
Fax: (434) 244-7526
Type: Location
Charlottesville Post Office, 1155, Seminole Trail, Westfield, Charlottesville, Albemarle County, Virginia, 22906, United States
CHARLOTTESVILLE, VA 229069007
Phone: (434) 295-1000
Type: Mailing
1240, Lee Street, Jefferson Park Avenue, Starr Hill, Charlottesville, Virginia, 22903, United States
CHARLOTTESVILLE, VA 229080001
Phone: (434) 924-9333
Fax: (434) 244-7526
Type: Location
1215 Lee St
Charlottesville, VA 229083307
Phone: (434) 924-0211
Type: Location
PO BOX 37174
BALTIMORE, MD 212973174
Phone: (571) 423-5741
Type: Mailing
3300 GALLOWS RD
FALLS CHURCH, VA 220423307
Phone: (571) 423-5699
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 11 Open Payments records for all available years, with a total value of $2,181.
Total Amount is formed as General ($2,181) + Research ($0) + Ownership ($0) = $2,181.
Last reported payment date: 2024-10-17 • Largest payer in this snapshot: National Marrow Donor Program ($2,022).
Total Amount
$2,181
General + Research + Ownership
Payments
11
Total payment records
General Amount
$2,181
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| National Marrow Donor Program | $2,022 |
| CSL Behring | $100 |
| Novartis Pharmaceuticals Corporation | $59 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2019-10-04
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20170220001486 | I | Hematopoietic Cell Transplantation And Cellular Therapy | VA | TBD |
| I20191004002940 | I | Hematology/Oncology | DC | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 208 | 56 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 139 | 43 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 111 | 54 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 59 | 36 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 25 | 25 | $0 |
Insurance plans in this area (ZIP 22908)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | VA | |
| N E U R O L O G Y | MD | |
| Internal Medicine | VA | |
| - | VA | |
| N E U R O S U R G E R Y | VA | |
| Hospitalist, Family Practice | VA | |
| Diagnostic Radiology | OH | |
| Cardiac Electrophysiology | VA | |
| - | SC | |
| - | VA |
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