Doctor profile · Federal record

Dr. William Mallon, MD

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Diagnostic Radiology Physician · West Hollywood, CA

  • NPI 1578982716
  • Accepts Medicare
  • 12 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
8700 Beverly Blvd
West Hollywood, CA 900481804
(310) 423-6500
Additional location
901 N Broad St Ne Ste 120
Rome, GA 301615202
(706) 291-2661
Mailing address
901 N Broad St Ne Ste 120
Rome, GA 301615202

Credentials & registration

NPPES · NUCC
NPI registered
April 2014 — 12 yrs on file
Profile last updated
June 26, 2025
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State licenses (2)
California #A167798 · Georgia #92381

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578982716. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,393
Distinct HCPCS
10
Medicare allowed
$157,579
HCPCS Description Services Patients Avg allowed
71045 X-ray of chest, 1 view 1,297 1,165 $9
70450 Ct scan head or brain without contrast 814 770 $42
74177 Ct scan of abdomen and pelvis with contrast 322 311 $92
72125 Ct scan of upper spine without contrast 237 232 $50
74176 Ct scan of abdomen and pelvis without contrast 170 165 $88
71275 Ct scan of blood vessels of chest with contrast 122 121 $91
71046 X-ray of chest, 2 views 117 116 $11
73502 X-ray of hip, 2-3 views 87 85 $11
71260 Ct scan of chest with contrast 80 80 $56
70496 Ct scan of blood vessels of head with contrast 62 61 $88

In context: peer comparison

Among 12 peers in West Hollywood Diagnostic Radiology Physician, average services per provider: 197. This provider delivers 22× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Mallon's medical specialty?
Dr. William Mallon practices Diagnostic Radiology Physician in West Hollywood, CA.
Where does Dr. William Mallon practice?
Dr. William Mallon practices at 8700 Beverly Blvd, West Hollywood, CA 900481804. Office phone: 3104236500.
What is Dr. William Mallon's NPI?
Dr. William Mallon's National Provider Identifier (NPI) is 1578982716, issued by NPPES.
Does Dr. William Mallon accept Medicare assignment?
Yes. Dr. William Mallon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Mallon commonly perform?
Top Medicare-reported procedures in 2023: X-ray of chest, 1 view (HCPCS 71045); Ct scan head or brain without contrast (HCPCS 70450); Ct scan of abdomen and pelvis with contrast (HCPCS 74177). Source: CMS Medicare Physician & Other Practitioners file.