Doctor profile · Federal record

Dr. Alan Williams, MD

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Wausau, WI

  • NPI 1922118512
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 51 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2727 Plaza Drive
Wausau, WI 54401
(715) 387-9055
Mailing address
1000 N Oak Ave
Marshfield, WI 544495777

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1975 — 51 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
Wisconsin #29845
Medicaid
WI #31441900

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1922118512. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,356
Distinct HCPCS
10
Medicare allowed
$130,580
HCPCS Description Services Patients Avg allowed
71046 X-ray of chest, 2 views 634 617 $34
77080 Dxa bone density measurement of hip, pelvis, spine 336 336 $39
72100 X-ray of lower and sacral spine, 2-3 views 112 110 $41
76536 Ultrasound scan of head and neck soft tissue 94 92 $113
73130 X-ray of hand, minimum of 3 views 80 45 $38
76705 Limited ultrasound scan of abdomen 77 76 $87
73030 X-ray of shoulder, minimum of 2 views 69 55 $35
74018 X-ray of abdomen, 1 view 68 62 $31
76775 Limited ultrasound scan behind abdominal cavity 68 66 $60
76770 Complete ultrasound scan behind abdominal cavity 67 65 $110

In context: peer comparison

Among 8 peers in this city , average services per provider: 46. This provider delivers 51× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Alan Williams's medical specialty?
Dr. Alan Williams practices Diagnostic Radiology Physician in Wausau, WI.
Where does Dr. Alan Williams practice?
Dr. Alan Williams practices at 2727 Plaza Drive, Wausau, WI 54401. Office phone: 7153879055.
What is Dr. Alan Williams's NPI?
Dr. Alan Williams's National Provider Identifier (NPI) is 1922118512, issued by NPPES.
Does Dr. Alan Williams accept Medicare assignment?
Yes. Dr. Alan Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alan Williams commonly perform?
Top Medicare-reported procedures in 2023: X-ray of chest, 2 views (HCPCS 71046); Dxa bone density measurement of hip, pelvis, spine (HCPCS 77080); X-ray of lower and sacral spine, 2-3 views (HCPCS 72100). Source: CMS Medicare Physician & Other Practitioners file.