Quick answers
- Which hospitals does Karen Riedy work at?
- Medicare's official clinician data lists Karen Riedy at 5 hospitals: Inova Alexandria Hospital, Inova Fair Oaks Hospital, Inova Fairfax Hospital, Inova Loudoun Hospital and Inova Mount Vernon Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Karen Riedy see patients?
- Medicare's clinician data lists 18 practice locations, including Herndon, VA, Vienna, VA and Alexandria, VA. Call before your visit to confirm the address.
- What is Karen Riedy's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Karen Riedy accept Medicare assignment?
- Yes. Medicare's clinician data says Karen Riedy accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Karen Riedy?
- (703) 698-4488, as listed in official Medicare / NPI Registry data.
- What is Karen Riedy's NPI number?
- 1346268372. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Karen Riedy works
Medicare's Facility Affiliation Data lists Karen Riedy at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Inova Alexandria HospitalAlexandria, VA · Acute Care Hospital · CCN 490040
- Inova Fair Oaks HospitalFairfax, VA · Acute Care Hospital · CCN 490101
- Inova Fairfax HospitalFalls Church, VA · Acute Care Hospital · CCN 490063
- Inova Loudoun HospitalLeesburg, VA · Acute Care Hospital · CCN 490043
- Inova Mount Vernon HospitalAlexandria, VA · Acute Care Hospital · CCN 490122
Practice locations
Addresses where Karen Riedy is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 18; the Medicare profile lists all.
- 100 Elden St, Suite 16Herndon, VA 20170 (703) 698‑4488
- 115 Park St SE, Suite 203Vienna, VA 22180 (703) 698‑4488
- 1600 N Beauregard St, Suite 200Alexandria, VA 22311 (703) 698‑4444
- 19455 Deerfield Ave, Suite 102Leesburg, VA 20176 (703) 698‑4488
- 2501 Parkers LnAlexandria, VA 22306 (703) 698‑4444
Group practices
Medicare enrollment lists Karen Riedy as a member of these groups (CMS data updated 2026-10-02).
- Fairfax Radiological Consultants154 clinicians in the group
- Ifrc LLC137 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Herndon
Clinicians with the same Medicare primary specialty in Herndon, VA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Kansas School Of Med (kc/wich/sal) |
| Graduation year | 1985 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1346268372 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians