William D. Matthews, M.D.
Diagnostic Radiology Physician · Mason City, IA
William D. Matthews, M.D. is a diagnostic radiology physician with a practice address in Mason City, Iowa, and NPI 1114973377, issued on May 26, 2006. Check the license (Iowa 33563, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- William D. Matthews
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 33563 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1010 4TH St SW, Mason City, IA 50401
- Phone
- (641) 424-0102
- Enumerated
- May 26, 2006
- Record last updated
- Apr 4, 2025
- Fax
- (641) 424-8059
- Medicaid ID
- 0216382 IA
- Medicare enrollment
- Enrolled (PECOS I20070113000118); accepts Medicare assignment
- Medical or professional school
- University Of South Florida College Of Medicine, 1991
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 364 in Iowa → Look up another NPI →
Also registered at 1010 4TH St SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amber Alberts, MDStudent in an Organized Health Care Education/Training Program1215671516
- Ignatius Alden, MDStudent in an Organized Health Care Education/Training Program1285323535
- Luan Bargman, PAPhysician Assistant1073525010
- Nancy Beavers, ARNPObstetrics & Gynecology Nurse Practitioner1447275540
- David Beck, MDNeurological Surgery Physician1710099809
- Timothy Becker, RPHPharmacist1477563955
Verify William D. Matthews in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 33563Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 92.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Iowa Specialty Hospital- ClarionClarion, IA
- Radiologists OF North Iowa PCMason City, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William D. Matthews among 364 diagnostic radiology physician records in Iowa
William D. Matthews, M.D. is one of 364 diagnostic radiology physician records with a practice address in Iowa. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 20% of them.
- NPI issued2006 · 20% of these records are older, 53% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated1991 · median 2006 among the 199 with a school on file
- Record last updated2025 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 diagnostic radiology physician records list a practice address in Mason City
They are 16 of the 866 NPPES records with a practice address in Mason City, and 364 diagnostic radiology physician records in Iowa.
All 364 in Iowa → Every provider in Mason City → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Robert Berg, MDMason City, IA 504011366497943
- Jackson HerzogMason City, IA 504011033501010
- Ryan Holthaus, M.D.Mason City, IA 504011609822873
- Brad Janson, M.D.Mason City, IA 504011497709372
- Timothy Lucas, M.D.Mason City, IA 504011740233428
- Bryan Navarette, M.D., M.P.H.Mason City, IA 504011164640041
- Hubert Oakley, M.D.Mason City, IA 504011629149844
- Joseph Ocel, M.D.Mason City, IA 504011780661280
Common questions
What is William D. Matthews, M.D.'s NPI number?
William D. Matthews, M.D.'s National Provider Identifier (NPI) is 1114973377, issued on May 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William D. Matthews, M.D. located?
The NPPES record lists a practice address at 1010 4TH St SW, Mason City, IA, 50401. Phone: (641) 424-0102. Providers update this record themselves, so call before visiting.
How can I verify William D. Matthews, M.D.'s license?
NPPES lists Iowa license number 33563, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is William D. Matthews, M.D.'s MIPS final score?
The 2023 MIPS final score is 92.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.