Mason Robert Duff, D.M.D.
Dentist · Las Vegas, NV
Mason Robert Duff, D.M.D. is a dentist with a practice address in Las Vegas, Nevada, and NPI 1912380577, issued on Jul 1, 2015. Check the license (Nevada 6643, as entered in NPPES) with the Nevada board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mason Robert Duff
- Credential
- D.M.D.
- Primary taxonomy
- Dentist 122300000X
- License number
- 6643 NV
Self-reported in NPPES; status is on the state search - Practice location
- 10670 Dean Martin Dr Ste 100, Las Vegas, NV 89141
- Phone
- (702) 680-1120
- Enumerated
- Jul 1, 2015
- Record last updated
- Oct 11, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (702) 680-1118
- Entity
- Type 1 · individual
8 nearest dentist records → All 847 in Nevada → Look up another NPI →
Verify Mason Robert Duff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Nevada board licenses this profession
Search for license 6643Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average dentist in 2024
12 Medicare Part D claims for 11 beneficiaries, 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.
Most prescribed
- Amoxicillin12 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.
Mason Robert Duff among 847 dentist records in Nevada
Mason Robert Duff, D.M.D. is one of 847 dentist records with a practice address in Nevada. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 56% of them.
- NPI issued2015 · 56% of these records are older, 40% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2021 · 63% 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 Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
491 dentist records list a practice address in Las Vegas
They are 491 of the 65,269 NPPES records with a practice address in Las Vegas, and 847 dentist records in Nevada.
All 847 in Nevada → Every provider in Las Vegas → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Andrei Dzekola, DMDLas Vegas, NV 891411215615091
- Timothy Ho, D.M.DLas Vegas, NV 891411215077169
- Lakshmi Harini Mallavarapu, DDSLas Vegas, NV 891411154779684
- Jonathan Welch, DMDLas Vegas, NV 891411174885180
- Deepa Assandas, DMDLas Vegas, NV 891421528473626
- Sayeh Feizi, DMDLas Vegas, NV 891421427736792
- Gio LeeLas Vegas, NV 891421245014513
- Drew Purser, DMDLas Vegas, NV 891421447987748
Common questions
What is Mason Robert Duff, D.M.D.'s NPI number?
Mason Robert Duff, D.M.D.'s National Provider Identifier (NPI) is 1912380577, issued on Jul 1, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Mason Robert Duff, D.M.D. located?
The NPPES record lists a practice address at 10670 Dean Martin Dr Ste 100, Las Vegas, NV, 89141. Phone: (702) 680-1120. Providers update this record themselves, so call before visiting.
How can I verify Mason Robert Duff, D.M.D.'s license?
NPPES lists Nevada license number 6643, as entered by the provider. Search the Nevada board that licenses this profession; the NPPES record confirms identity only.
How much does Mason Robert Duff, D.M.D. prescribe under Medicare Part D?
In 2024, Mason Robert Duff, D.M.D. had 12 Medicare Part D claims for 11 beneficiaries; 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.