William Astor, M.D.
NPI 1396915237 · Diagnostic Radiology Physician · Fairfax, VA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Astor, M.D. is a Diagnostic Radiology Physician provider in Fairfax, VA (NPI 1396915237).
Provider details
- NPI number
- 1396915237
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 0101250928 (VA)
Specialties & taxonomies
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
18 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
3,895 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 Shoulder, Minimum of 2 Views73030 | 284 | $9 |
| X-Ray of Knee, 4 Or More Views73564 | 232 | $11 |
| X-Ray of Hip, 2-3 Views73502 | 207 | $11 |
| X-Ray of Foot, Minimum of 3 Views73630 | 201 | $8 |
| Ct Scan of Pelvis Without Contrast72192 | 170 | $52 |
| X-Ray of Hand, Minimum of 3 Views73130 | 163 | $9 |
| X-Ray of Wrist, Minimum of 3 Views73110 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-03-06
- Last updated
- 2020-01-27
- Certified
- 2020-01-27
Frequently asked questions
- What is William Astor's NPI number?
- William Astor's National Provider Identifier (NPI) is 1396915237, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Astor's specialty?
- William Astor is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Astor located?
- William Astor's practice location on file with NPPES is 2722 Merrilee Dr, Fairfax, VA 22031-4420.
- What is William Astor's phone number?
- The practice phone number listed in the NPPES registry for William Astor is (703) 698-4444.
- Does William Astor accept Medicare?
- William Astor is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Astor's NPI active?
- Yes — William Astor's NPI (1396915237) 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.