Doctor profile · Federal record

Dr. William Matthews, M.D.

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Mason City, IA

  • NPI 1114973377
  • Accepts Medicare
  • MIPS 92.2 / 100 · 2023
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 8 locations across 1 states.

NPPES Updated May 11, 2026
Primary practice
1010 4Th St Sw, Suite 100
Mason City, IA 504012857
(641) 424-0102
fax (641) 424-8059
Mailing address
1416 6Th St Sw
Mason City, IA 504014818
Iowa — 7 locations
Additional location
104 S Story St
Boone, IA 500364737
(844) 474-4321
fax (515) 432-2895
Additional location
1316 S Main St
Clarion, IA 505252019
(844) 474-4321
fax (515) 532-3119
Additional location
1924 Superior St
Webster City, IA 505953146
(844) 474-4321
fax (515) 832-1114
Additional location
2700 1St Ave S
Fort Dodge, IA 505014300
(844) 474-4321
fax (515) 576-8581
Additional location
401 S 17Th St
Clear Lake, IA 504282304
(844) 474-4321
fax (515) 832-1400
Additional location
403 1St St Se
Belmond, IA 504211201
(844) 474-4321
fax (641) 444-5554
Additional location
840 W US Highway 18
Garner, IA 504381023
(641) 444-3223
fax (641) 925-1507

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
April 4, 2025
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
Iowa #33563
Medicaid
IA #0216382

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114973377. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,658
Distinct HCPCS
10
Medicare allowed
$117,086
HCPCS Description Services Patients Avg allowed
77080 Dxa bone density measurement of hip, pelvis, spine 787 787 $9
71045 X-ray of chest, 1 view 572 495 $8
71046 X-ray of chest, 2 views 356 342 $10
70450 Ct scan head or brain without contrast 330 310 $39
77092 Interpretation of trabecular bone score (tbs) and report on fracture risk 218 218 $9
74177 Ct scan of abdomen and pelvis with contrast 128 127 $84
73502 X-ray of hip, 2-3 views 109 106 $10
73721 Mri scan of leg joint without contrast 95 92 $61
72125 Ct scan of upper spine without contrast 83 81 $46
73221 Mri scan of arm joint without contrast 83 83 $62

In context: peer comparison

Among 6 peers in this city , average services per provider: 78. This provider delivers 60× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. William Matthews's medical specialty?
Dr. William Matthews practices Diagnostic Radiology Physician in Mason City, IA.
Where does Dr. William Matthews practice?
Dr. William Matthews practices at 1010 4Th St Sw, Mason City, IA 504012857. Office phone: 6414240102.
What is Dr. William Matthews's NPI?
Dr. William Matthews's National Provider Identifier (NPI) is 1114973377, issued by NPPES.
Does Dr. William Matthews accept Medicare assignment?
Yes. Dr. William Matthews accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Matthews commonly perform?
Top Medicare-reported procedures in 2023: Dxa bone density measurement of hip, pelvis, spine (HCPCS 77080); X-ray of chest, 1 view (HCPCS 71045); X-ray of chest, 2 views (HCPCS 71046). Source: CMS Medicare Physician & Other Practitioners file.