Doctor profile · Federal record
Dr. William Mason, MD
Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Diagnostic Radiology Physician · Seneca, PA
- NPI 1083654917
- Accepts Medicare
- MIPS 79.6 / 100 · 2023
- 47 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
100 Fairfield Dr
Seneca, PA 163462130
(814) 676-7130
fax (814) 676-7950
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- August 19, 2025
- Year of graduation
- 1979 — 47 yrs since
- Specialty taxonomy
- 2085R0202X — NUCC code
- State licenses (2)
- Pennsylvania #MD463059 · Indiana #01036336A
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1083654917. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
601
Distinct HCPCS
8
Medicare allowed
$19,607
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
77067 |
Screening mammography | 139 | 139 | $35 | |
77063 |
Screening 3d breast mammography | 138 | 138 | $28 | |
77067 |
Screening mammography | 87 | 87 | $36 | |
77063 |
Screening 3d breast mammography | 86 | 86 | $28 | |
G0279 |
Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) | 60 | 58 | $28 | |
77065 |
Diagnostic mammography of 1 breast | 42 | 41 | $38 | |
76642 |
Limited ultrasound scan of 1 breast | 26 | 26 | $33 | |
77066 |
Diagnostic mammography of both breasts | 23 | 23 | $46 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 43. This provider delivers 14× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. William Mason's medical specialty?
Dr. William Mason practices Diagnostic Radiology Physician in Seneca, PA.
Where does Dr. William Mason practice?
Dr. William Mason practices at 100 Fairfield Dr, Seneca, PA 163462130. Office phone: 8146767130.
What is Dr. William Mason's NPI?
Dr. William Mason's National Provider Identifier (NPI) is 1083654917, issued by NPPES.
Does Dr. William Mason accept Medicare assignment?
Yes. Dr. William Mason accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Mason commonly perform?
Top Medicare-reported procedures in 2023: Screening mammography (HCPCS 77067); Screening 3d breast mammography (HCPCS 77063); Screening mammography (HCPCS 77067). Source: CMS Medicare Physician & Other Practitioners file.