William Mallon, MD
NPI 1578982716 · Diagnostic Radiology Physician · West Hollywood, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Mallon, MD is a Diagnostic Radiology Physician provider in West Hollywood, CA (NPI 1578982716).
Provider details
- NPI number
- 1578982716
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 92381 (GA)
Specialties & taxonomies
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
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
4,185 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 | 1,163 | $9 |
| Ct Scan Head Or Brain Without Contrast70450 | 710 | $41 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 366 | $89 |
| Ct Scan of Upper Spine Without Contrast72125 | 219 | $48 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 189 | $85 |
| Ct Scan of Blood Vessels of Chest With Contrast71275 | 144 | $88 |
Practice location
Mailing address
Additional practice locations (1)
- 901 N Broad St Ne Ste 120Rome, GA 30161-5202Phone: (706) 291-2661
Registry dates
- Enumerated
- 2014-04-15
- Last updated
- 2025-06-26
- Certified
- 2025-06-26
Frequently asked questions
- What is William Mallon's NPI number?
- William Mallon's National Provider Identifier (NPI) is 1578982716, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Mallon's specialty?
- William Mallon is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Mallon located?
- William Mallon's practice location on file with NPPES is 8700 Beverly Blvd, West Hollywood, CA 90048-1804.
- What is William Mallon's phone number?
- The practice phone number listed in the NPPES registry for William Mallon is (310) 423-6500.
- Does William Mallon accept Medicare?
- William Mallon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Mallon's NPI active?
- Yes — William Mallon's NPI (1578982716) is active in the NPPES registry as of the last update on 2025-06-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.