William J. Mallory, M.D.
Diagnostic Radiology Physician · Green Bay, WI
William J. Mallory, M.D. is a diagnostic radiology physician with a practice address in Green Bay, Wisconsin, and NPI 1083630776, issued on Jul 14, 2006. Check the license (Wisconsin 22719-020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- William J. Mallory
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 22719-020 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2941 S Ridge RD, Green Bay, WI 54304
- Phone
- (920) 336-4096
- Enumerated
- Jul 14, 2006
- Record last updated
- Jun 2, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (920) 336-8093
- Medicaid ID
- 31370200 WI
- Medicare enrollment
- Enrolled (PECOS I20070117000125); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 1978
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 1,005 in Wisconsin → Look up another NPI →
Also registered at 2941 S Ridge RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tyler Bailey, MDDiagnostic Radiology Physician1447480256
- David Balison, MDDiagnostic Radiology Physician1245307719
- Elisabeth Ballard, MDDiagnostic Radiology Physician1760543532
- Dennis Bielke, MDDiagnostic Radiology Physician1073668059
- Robert Davison, MDNuclear Imaging & Therapy Physician1992749824
- Mehul Doshi, MDDiagnostic Radiology Physician1578514287
Verify William J. Mallory in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 22719-020Check 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 MIPS final score for 2023 (Medicare payment program): 94.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Riverside Radiology And Interventional Associates IncPeshtigo, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William J. Mallory among 1,005 diagnostic radiology physician records in Wisconsin
William J. Mallory, M.D. is one of 1,005 diagnostic radiology physician records with a practice address in Wisconsin. 68% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 48% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1978 · median 2006 among the 664 with a school on file
- Record last updated2008 · 51% 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 Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
53 diagnostic radiology physician records list a practice address in Green Bay
They are 53 of the 4,619 NPPES records with a practice address in Green Bay, and 1,005 diagnostic radiology physician records in Wisconsin.
All 1,005 in Wisconsin → Every provider in Green Bay → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- David Balison, MDGreen Bay, WI 543041245307719
- Elisabeth Ballard, MDGreen Bay, WI 543041760543532
- Dennis Bielke, MDGreen Bay, WI 543041073668059
- Mehul Doshi, MDGreen Bay, WI 543041578514287
- Henry Feider, MDGreen Bay, WI 543041407901481
- Meghan Hanson, M.D.Green Bay, WI 543041073559647
- Jeremy McCue, MDGreen Bay, WI 543041033187927
- Ryan Peirce, M.D.Green Bay, WI 543041790704724
Common questions
What is William J. Mallory, M.D.'s NPI number?
William J. Mallory, M.D.'s National Provider Identifier (NPI) is 1083630776, issued on Jul 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William J. Mallory, M.D. located?
The NPPES record lists a practice address at 2941 S Ridge RD, Green Bay, WI, 54304. Phone: (920) 336-4096. Providers update this record themselves, so call before visiting.
How can I verify William J. Mallory, M.D.'s license?
NPPES lists Wisconsin license number 22719-020, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is William J. Mallory, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.6 of 100. 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.