John Isaac Mason, DMD
Dentist · Louisville, KY
John Isaac Mason, DMD is a dentist with a practice address in Louisville, Kentucky, and NPI 1447248505, issued on Oct 12, 2005. Check the license (Kentucky 6309, as entered in NPPES) with the Kentucky board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Isaac Mason
- Credential
- DMD
- Primary taxonomy
- Dentist 122300000X
- License numbers
- 6309 KY
12009647 IN
Self-reported in NPPES; status is on the state search - Practice location
- 1504 S 7TH St, Louisville, KY 40208
- Phone
- (502) 636-5492
- Enumerated
- Oct 12, 2005
- Record last updated
- Jan 3, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (502) 636-9210
- Entity
- Type 1 · individual
Also registered at 1504 S 7TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Charles Barrett Jr, DMDDentist1952641524
Verify John Isaac Mason in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Kentucky board licenses this profession
Search for license 6309Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.8 times the Medicare Part D claims of the average dentist in 2024
244 Medicare Part D claims for 127 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin-Clavulanate Potass91 claims
- Ibuprofen65 claims
- Clindamycin Hcl19 claims
- Amoxicillin18 claims
- Chlorhexidine Gluconate15 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.
Dentist providers in Kentucky
There are 1,025 dentist records in Kentucky.
Other dentist records in Kentucky
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- Serder Abadi, DMDGeorgetown, KY1427262153
- Timur Abashev, DDSLexington, KY1649731506
- Daniel Abell, DMDPaducah, KY1467528463
- Francis Abell, DMDBenton, KY1457427452
- Sana Aburob, DMDElizabethtown, KY1659571594
- Richard Ackermann, DMDWarsaw, KY1346382942
- Taylor Ackermann-Bourke, DMDBardstown, KY1043660756
- Annalee AdamsManchester, KY1285314856
- Jeffrey Adams, DMDBowling Green, KY1609969831
Common questions
What is John Isaac Mason, DMD's NPI number?
John Isaac Mason, DMD's National Provider Identifier (NPI) is 1447248505, issued on Oct 12, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John Isaac Mason, DMD located?
The NPPES record lists a practice address at 1504 S 7TH St, Louisville, KY, 40208. Phone: (502) 636-5492. Providers update this record themselves, so call before visiting.
How can I verify John Isaac Mason, DMD's license?
NPPES lists Kentucky license number 6309, as entered by the provider. Search the Kentucky board that licenses this profession; the NPPES record confirms identity only.
How much does John Isaac Mason, DMD prescribe under Medicare Part D?
In 2024, John Isaac Mason, DMD had 244 Medicare Part D claims for 127 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.