Doctor profile · Federal record

Dr. William Mask, M.D.

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Durham, NC

  • NPI 1215030507
  • Accepts Medicare
  • 38 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5921 Beech Bluff Ln
Durham, NC 277058115
(504) 908-0337
fax (866) 722-3757

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
February 7, 2023
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
California #A48451
Medicaid
LA #1670189

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1215030507. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,183
Distinct HCPCS
10
Medicare allowed
$33,178
HCPCS Description Services Patients Avg allowed
71045 X-ray of chest, 1 view 163 134 $9
93971 Ultrasound study of one arm or leg veins with compression and maneuvers 156 155 $20
71045 X-ray of chest, 1 view 115 112 $9
93970 Ultrasound study of arm or leg veins with compression and maneuvers 84 80 $30
93925 Ultrasound of leg arteries or artery grafts 81 77 $34
70450 Ct scan head or brain without contrast 66 66 $39
71046 X-ray of chest, 2 views 60 57 $10
76700 Complete ultrasound scan of abdomen 53 53 $35
74176 Ct scan of abdomen and pelvis without contrast 50 49 $81
71250 Ct scan of chest without contrast 47 46 $52

In context: peer comparison

Among 70 peers in Durham Diagnostic Radiology Physician, average services per provider: 109. This provider delivers 11× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Mask's medical specialty?
Dr. William Mask practices Diagnostic Radiology Physician in Durham, NC.
Where does Dr. William Mask practice?
Dr. William Mask practices at 5921 Beech Bluff Ln, Durham, NC 277058115. Office phone: 5049080337.
What is Dr. William Mask's NPI?
Dr. William Mask's National Provider Identifier (NPI) is 1215030507, issued by NPPES.
Does Dr. William Mask accept Medicare assignment?
Yes. Dr. William Mask accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Mask commonly perform?
Top Medicare-reported procedures in 2023: X-ray of chest, 1 view (HCPCS 71045); Ultrasound study of one arm or leg veins with compression and maneuvers (HCPCS 93971); X-ray of chest, 1 view (HCPCS 71045). Source: CMS Medicare Physician & Other Practitioners file.