William Boswell, M.D.
NPI 1548209612 · Diagnostic Radiology Physician · Duarte, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Boswell, M.D. is a Diagnostic Radiology Physician provider in Duarte, CA (NPI 1548209612).
Provider details
- NPI number
- 1548209612
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G26673 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
1,571 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) |
|---|---|---|
| Ct Scan of Chest With Contrast71260 | 670 | $56 |
| Ct Scan of Abdomen and Pelvis Before and After Contrast74178 | 431 | $101 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 230 | $91 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 107 | $88 |
| Ct Scan of Chest Without Contrast71250 | 106 | $52 |
| Ct Scan of Chest With Contrast71260 | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-05
- Last updated
- 2020-11-13
- Certified
- 2020-11-13
Frequently asked questions
- What is William Boswell's NPI number?
- William Boswell's National Provider Identifier (NPI) is 1548209612, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Boswell's specialty?
- William Boswell is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Boswell located?
- William Boswell's practice location on file with NPPES is 1500 Duarte Rd, Duarte, CA 91010-3012.
- What is William Boswell's phone number?
- The practice phone number listed in the NPPES registry for William Boswell is (626) 359-8111.
- Does William Boswell accept Medicare?
- William Boswell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Boswell's NPI active?
- Yes — William Boswell's NPI (1548209612) is active in the NPPES registry as of the last update on 2020-11-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.