Active NPI
William D Matthews, M.D.
- Diagnostic Radiology Physician
- Mason City, IA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Diagnostic Radiology Physician
- License
- 33563
- Practice address
- 1010 4TH St SW
Suite 100
Mason City, IA 50401-2857 - Phone
- (641) 424-0102
- Fax
- (641) 424-8059
- NPI assigned
- May 26, 2006
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Diagnostic Radiology Physician | 2085R0202X | 33563 | IA | Primary |
Addresses
Primary practice location
1010 4TH St SW
Suite 100
Mason City, IA 50401-2857
Mailing address
1416 6TH St SW
Mason City, IA 50401-4818
Phone (641) 424-0102
Other practice location 1
1924 Superior St
Webster City, IA 50595-3146
Phone (844) 474-4321
Other practice location 2
2700 1st Ave S
Fort Dodge, IA 50501-4300
Phone (844) 474-4321
Other practice location 3
104 S Story St
Boone, IA 50036-4737
Phone (844) 474-4321
Other practice location 4
1316 S Main St
Clarion, IA 50525-2019
Phone (844) 474-4321
Other practice location 5
401 S 17th St
Clear Lake, IA 50428-2304
Phone (844) 474-4321
Other practice location 6
403 1st St SE
Belmond, IA 50421-1201
Phone (844) 474-4321
Other practice location 7
520 S Pierce Ave
Mason City, IA 50401-2749
Phone (641) 428-9200
Other practice location 8
840 W US Highway 18
Garner, IA 50438-1023
Phone (641) 444-3223
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0216382 | Medicaid | IA | |
| 23028 | Other | IA | WELLMARK BCBS OF IA |
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | mc.mmcmc.him@direct.2.mycarefile.org | Direct | MercyOne North Iowa |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in IA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Diagnostic Radiology
- Education
- University of South Florida College of Medicine, 1991
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- Iowa Specialty Hospital- Clarion
Practice addresses (Care Compare)
1316 S Main St
Clarion, IA 50525-2019
Phone (515) 532-2811
1416 6TH St SW
Mason City, IA 50401-4818
Phone (641) 424-0102
Hospital & facility affiliations
- Mercyone North Iowa Medical Center
- Kossuth Regional Health Center
- Hancock County Health System
- Mitchell County Regional Health
- Palo Alto County Hospital
Merit-based Incentive Payment System (MIPS)
- Final score
- 97.33 of 100
- Quality
- 94.65
- Improvement activities
- 40
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 33563 | IA | MD | Diagnostic Radiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Radiologists of North Iowa PC | Diagnostic Radiology | Current | Accepting new patients |
| Iowa Specialty Hospital- Clarion | Current | Accepting new patients | |
| Iowa Specialty Hospital- Clarion | Current | Accepting new patients | |
| Belmond Community Hospital | Current | Accepting new patients | |
| Belmond Community Hospital | Current | Accepting new patients | |
| Radiologists of North Iowa PC | Past | Accepting new patients | |
| University Imaging Inc | Diagnostic Radiology | Past | Accepting new patients |
| University Radiologists of Cleveland Inc | Diagnostic Radiology | Past | Accepting new patients |
Locations
1515 S Phillips St
Algona, IA 50511
Phone (515) 295-2451
403 1st St SE
Belmond, IA 50421
Phone (641) 444-3223
104 S Story St
Boone, IA 50036
Phone (515) 432-1642
532 1st St NW
Britt, IA 50423
Phone (641) 843-4403
1316 S Main St
Clarion, IA 50525
Phone (515) 532-2811
215 13th Ave SW
Clarion, IA 50525
Phone (515) 532-2836
401 S 17th St
Clear Lake, IA 50428
Phone (515) 832-1200
2700 1st Ave S
Fort Dodge, IA 50501
Phone (515) 576-3338
2700 1st Ave S
Ste 100
Fort Dodge, IA 50501
Phone (515) 955-6767
840 W US Highway 18
Garner, IA 50438
Phone (641) 925-1500
1416 6th St SW
Mason City, IA 50401
Phone (515) 424-4932
1000 4th St SW
Mason City, IA 50401
Phone (641) 424-6704
1010 4th St SW
Ste 100
Mason City, IA 50401
Phone (515) 424-4932
308 N Maple Ave
New Hampton, IA 50659
Phone (641) 394-2151
616 N 8th St
Osage, IA 50461
Phone (641) 732-6000
Interoperability endpoints
- wmatthews145235@uihcdirect.org
Organizations & group practices 8
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Diagnostic Radiology Physician
- Mason City, IA
- NPI 1942252051
-
- Family Medicine Physician
- Belmond, IA
- NPI 1821122623
-
- Critical Access Hospital
- Belmond, IA
- NPI 1932142726
-
- Critical Access Hospital
- Clarion, IA
- NPI 1396760153
-
- Critical Access Hospital
- Clarion, IA
- NPI 1821045451
-
- Gynecology Physician
- Mason City, IA
- NPI 1548093628
-
- Nurse Practitioner
- Cleveland, OH
- NPI 1295788149
Diagnostic Radiology
Hospital & facility affiliations 5
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Critical Access Hospital
- Britt, IA
- NPI 1912938606
-
- Critical Access Hospital
- Algona, IA
- NPI 1841361276
-
- Rural Acute Care Hospital
- Mason City, IA
- NPI 1467537886
-
- Critical Access Hospital
- Osage, IA
- NPI 1033291927
-
- Critical Access Hospital
- Emmetsburg, IA
- NPI 1790793651
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1148601600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1789344000000",
"number": "1114973377",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1416 6TH ST SW",
"city": "MASON CITY",
"state": "IA",
"postal_code": "504014818",
"telephone_number": "641-424-0102",
"fax_number": "641-424-8059"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1010 4TH ST SW",
"address_2": "SUITE 100",
"city": "MASON CITY",
"state": "IA",
"postal_code": "504012857",
"telephone_number": "641-424-0102",
"fax_number": "641-424-8059"
}
],
"practiceLocations": [
{
"address_1": "1924 Superior St",
"address_purpose": "LOCATION",
"city": "Webster City",
"state": "IA",
"postal_code": "505953146",
"country_code": "US",
"telephone_number": "844-474-4321",
"fax_number": "515-832-1114",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "2700 1st Ave S",
"address_purpose": "LOCATION",
"city": "Fort Dodge",
"state": "IA",
"postal_code": "505014300",
"country_code": "US",
"telephone_number": "844-474-4321",
"fax_number": "515-576-8581",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "104 S Story St",
"address_purpose": "LOCATION",
"city": "Boone",
"state": "IA",
"postal_code": "500364737",
"country_code": "US",
"telephone_number": "844-474-4321",
"fax_number": "515-432-2895",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1316 S Main St",
"address_purpose": "LOCATION",
"city": "Clarion",
"state": "IA",
"postal_code": "505252019",
"country_code": "US",
"telephone_number": "844-474-4321",
"fax_number": "515-532-3119",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "401 S 17th St",
"address_purpose": "LOCATION",
"city": "Clear Lake",
"state": "IA",
"postal_code": "504282304",
"country_code": "US",
"telephone_number": "844-474-4321",
"fax_number": "515-832-1400",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "403 1st St SE",
"address_purpose": "LOCATION",
"city": "Belmond",
"state": "IA",
"postal_code": "504211201",
"country_code": "US",
"telephone_number": "844-474-4321",
"fax_number": "641-444-5554",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "520 S Pierce Ave",
"address_purpose": "LOCATION",
"city": "Mason City",
"state": "IA",
"postal_code": "504012749",
"country_code": "US",
"telephone_number": "641-428-9200",
"fax_number": "641-428-9219",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "840 W US Highway 18",
"address_purpose": "LOCATION",
"city": "Garner",
"state": "IA",
"postal_code": "504381023",
"country_code": "US",
"telephone_number": "641-444-3223",
"fax_number": "641-925-1507",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "MATTHEWS",
"first_name": "WILLIAM",
"middle_name": "D",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-05-26",
"last_updated": "2026-09-14",
"certification_date": "2026-09-14",
"status": "A"
},
"taxonomies": [
{
"code": "2085R0202X",
"taxonomy_group": "",
"desc": "Radiology, Diagnostic Radiology",
"state": "IA",
"license": "33563",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "0216382",
"state": "IA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "WELLMARK BCBS OF IA",
"identifier": "23028",
"state": "IA"
}
],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "mc.mmcmc.him@direct.2.mycarefile.org",
"affiliation": "Y",
"endpointDescription": "Direct email Address",
"affiliationName": "MercyOne North Iowa",
"use": "DIRECT",
"useDescription": "Direct",
"contentType": "OTHER",
"contentTypeDescription": "Other",
"contentOtherDescription": "CCDA",
"address_1": "1010 4th St SW",
"address_2": "Suite 100",
"city": "Mason City",
"state": "IA",
"country_code": "US",
"postal_code": "504012857",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Mason City, IA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 14, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.