William J. Mason, D.D.S
Dentist · Nashville, TN
William J. Mason, D.D.S is a dentist with a practice address in Nashville, Tennessee, and NPI 1669642880, issued on Mar 4, 2008. Check the license (Tennessee DS-4801, as entered in NPPES) with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William J. Mason
- Credential
- D.D.S
- Primary taxonomy
- Dentist 122300000X
- License number
- DS-4801 TN
Self-reported in NPPES; status is on the state search - Practice location
- 183 Thompson LN, Nashville, TN 37211
- Phone
- (615) 831-1966
- Enumerated
- Mar 4, 2008
- Record last updated
- Mar 4, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 1,525 in Tennessee → Look up another NPI →
Verify William J. Mason in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
Search for license DS-4801Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average dentist in 2024
13 Medicare Part D claims, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
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.
William J. Mason among 1,525 dentist records in Tennessee
William J. Mason, D.D.S is one of 1,525 dentist records with a practice address in Tennessee. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 39% of them.
- NPI issued2008 · 39% of these records are older, 56% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2008 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dentist providers in Tennessee
There are 1,525 dentist records in Tennessee.
All 1,525 in Tennessee → Every provider in Nashville → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Alexa Chaname, DMDNahsville, TN 372111407532336
- Yemesrach Demissie, DDSNashville, TN 372111013783372
- Jack Fletcher, DDSNashville, TN 372111679655963
- Rhonda Gilmore, DDSNashville, TN 372111962622670
- Robert Hardell, DMDNashville, TN 372111841925690
- Alyssa Janssen, DDSNashville, TN 372111710559711
- Loretta Matic, D.M.D.Nashville, TN 372111982605176
- Patricia Newberry, DDSNashville, TN 372111811952666
Common questions
What is William J. Mason, D.D.S's NPI number?
William J. Mason, D.D.S's National Provider Identifier (NPI) is 1669642880, issued on Mar 4, 2008. An NPI identifies a provider in billing; it is not a license.
Where is William J. Mason, D.D.S located?
The NPPES record lists a practice address at 183 Thompson LN, Nashville, TN, 37211. Phone: (615) 831-1966. Providers update this record themselves, so call before visiting.
How can I verify William J. Mason, D.D.S's license?
NPPES lists Tennessee license number DS-4801, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.
How much does William J. Mason, D.D.S prescribe under Medicare Part D?
In 2024, William J. Mason, D.D.S had 13 Medicare Part D claims; the average among dentist prescribers was 86. 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.