Karen Riedy, MD
NPI 1346268372 · Diagnostic Radiology Physician · Fairfax, VA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Riedy, MD is a Diagnostic Radiology Physician provider in Fairfax, VA (NPI 1346268372).
Provider details
- NPI number
- 1346268372
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 0101047052 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,316 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 755 | $9 |
| Complete Ultrasound Scan Behind Abdominal Cavity76770 | 228 | $35 |
| Complete Ultrasound Scan Behind Abdominal Cavity76770 | 188 | $60 |
| Ultrasound Study of Arm Or Leg Veins With Compression and Maneuvers93970 | 108 | $33 |
| Complete Ultrasound Scan of Abdomen76700 | 105 | $92 |
| X-Ray of Abdomen, 1 View74018 | 103 | $9 |
| X-Ray of Chest, 2 Views |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-17
- Last updated
- 2020-01-27
- Certified
- 2020-01-27
Frequently asked questions
- What is Karen Riedy's NPI number?
- Karen Riedy's National Provider Identifier (NPI) is 1346268372, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Riedy's specialty?
- Karen Riedy is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Riedy located?
- Karen Riedy's practice location on file with NPPES is 2722 Merrilee Dr, Fairfax, VA 22031-4400.
- What is Karen Riedy's phone number?
- The practice phone number listed in the NPPES registry for Karen Riedy is (703) 698-4483.
- Does Karen Riedy accept Medicare?
- Karen Riedy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Riedy's NPI active?
- Yes — Karen Riedy's NPI (1346268372) is active in the NPPES registry as of the last update on 2020-01-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.