William Kenneth Mask, M.D.
Diagnostic Radiology Physician · Durham, NC
William Kenneth Mask, M.D. is a diagnostic radiology physician with a practice address in Durham, North Carolina, and NPI 1215030507, issued on Sep 5, 2006. Check the license on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- William Kenneth Mask
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- A48451 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5921 Beech Bluff LN, Durham, NC 27705
- Phone
- (504) 908-0337
- Enumerated
- Sep 5, 2006
- Record last updated
- Feb 7, 2023
- Fax
- (866) 722-3757
- Medicaid ID
- 1670189 LA
- Medicare enrollment
- Enrolled (PECOS I20181226001054); accepts Medicare assignment
- Medical or professional school
- Duke University School Of Medicine, 1988
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 1,389 in North Carolina → Look up another NPI →
Verify William Kenneth Mask in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% fewer Medicare Part D claims than the average diagnostic radiology physician in 2024
31 Medicare Part D claims, against an average of 51 among the 2,711 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Empire State Radiology P CDurham, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Kenneth Mask among 1,389 diagnostic radiology physician records in North Carolina
William Kenneth Mask, M.D. is one of 1,389 diagnostic radiology physician records with a practice address in North Carolina. 75% 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 16% of them.
- NPI issued2006 · 16% of these records are older, 52% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1988 · median 2006 among the 998 with a school on file
- Record last updated2023 · 46% 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 North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
254 diagnostic radiology physician records list a practice address in Durham
They are 254 of the 13,451 NPPES records with a practice address in Durham, and 1,389 diagnostic radiology physician records in North Carolina.
All 1,389 in North Carolina → Every provider in Durham → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- David Enterline, M.D.Durham, NC 277051194810887
- William Foster, M.D.Durham, NC 277051942263959
- Winnie HahnDurham, NC 277051285632083
- Thomas Hash, M.D.Durham, NC 277051467423707
- Parlyn Hatch, MDDurham, NC 277051184736647
- Lisa Ho, M.D.Durham, NC 277051801982251
- Robert Optican, MDDurham, NC 277051639272164
- Reginald Pareja, MDDurham, NC 277051033106265
Common questions
What is William Kenneth Mask, M.D.'s NPI number?
William Kenneth Mask, M.D.'s National Provider Identifier (NPI) is 1215030507, issued on Sep 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Kenneth Mask, M.D. located?
The NPPES record lists a practice address at 5921 Beech Bluff LN, Durham, NC, 27705. Phone: (504) 908-0337. Providers update this record themselves, so call before visiting.
How can I verify William Kenneth Mask, M.D.'s license?
Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Kenneth Mask, M.D. prescribe under Medicare Part D?
In 2024, William Kenneth Mask, M.D. had 31 Medicare Part D claims; the average among diagnostic radiology physician prescribers was 51. Part D covers Medicare prescriptions only.
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.