William D Matthews, M.D.
Diagnostic Radiology (CMS) · Mason City, IA
At a glance
1010 4Th St Sw, Mason City, IA 50401-2857
NPPES record updated Sep 14, 2026. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
1010 4Th St Sw Suite 100Mason City, IA 50401-2857
Additional reported practice locations
1924 Superior StWebster City, IA 505953146
Phone: 8444744321
Fax: 5158321114 2700 1St Ave S
Fort Dodge, IA 505014300
Phone: 8444744321
Fax: 5155768581 104 S Story St
Boone, IA 500364737
Phone: 8444744321
Fax: 5154322895 1316 S Main St
Clarion, IA 505252019
Phone: 8444744321
Fax: 5155323119 401 S 17Th St
Clear Lake, IA 504282304
Phone: 8444744321
Fax: 5158321400 403 1St St Se
Belmond, IA 504211201
Phone: 8444744321
Fax: 6414445554 520 S Pierce Ave
Mason City, IA 504012749
Phone: 6414289200
Fax: 6414289219 840 W Us Highway 18
Garner, IA 504381023
Phone: 6414443223
Fax: 6419251507
Education & affiliations
- Medical / professional school
- University Of South Florida College Of Medicine
- Graduation year
- 1991
- CMS specialties
- Diagnostic Radiology
Practice groups
Reported hospital affiliations
- Hancock County Health System Britt, IA
- Hansen Family Hospital Iowa Falls, IA
- Kossuth Regional Health Center Algona, IA
- Mercyone North Iowa Medical Center Mason City, IA
- Mitchell County Regional Health Osage, IA
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Diagnostic Radiology (CMS)
- Taxonomy code
- 2085R0202X
- Enumeration date
- May 26, 2006
- Record updated
- Sep 14, 2026
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
2085R0202X · Primary
License reported: 33563 IA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
1010 4Th St SwSuite 100
Mason City, IA 50401-2857
- Phone
- (641) 424-0102
- Fax
- (641) 424-8059
Mailing address
1416 6TH ST SWMASON CITY, IA 504014818
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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