John Isaac Mason Jr., DMD
- Part D claims, 2024
- 244
- Industry payments
- $88
- Affiliated sites
- 2
- Medical groups
- 2
- State licenses
- 2
- Practice address
- 1504 S 7th St, Louisville, KY 40208-1711
- Practice phone
- Call (502) 636-5492
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Old Louisville Dental Centre
Dental practice · Louisville, Kentucky
Find John Mason's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
John Isaac Mason Jr. is a dentist in Louisville, Kentucky
John Mason practices at Old Louisville Dental Centre in Louisville, Kentucky.
John Mason's NPI, 1447248505, was assigned on October 12, 2005. John Mason holds Kentucky license 6309.
- NPI
- 1447248505NPI Registry (opens in a new tab)
- NPI enumeration date
- October 12, 2005
- NPI status
- Active
- Practice phone
- (502) 636-5492
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John Isaac Mason Jr. practices at Old Louisville Dental Centre in Louisville, Kentucky
John Mason's primary practice is Old Louisville Dental Centre, at 1504 S 7th St, Louisville, KY 40208-1711. The practice phone is (502) 636-5492.
- Old Louisville Dental Centre1504 S 7th St, Louisville, KY 40208-1711Phone(502) 636-5492
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John Isaac Mason Jr. is affiliated with 2 sites of care and 2 medical groups
John Mason's primary practice is Old Louisville Dental Centre in Louisville, Kentucky. Dmand AI also links John Mason to 2 medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at John Isaac Mason Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Mason practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Old Louisville Dental Centre | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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John Isaac Mason Jr. is one of 383 dentists in Kentucky
Dentist is John Mason's primary specialty in the NPI Registry, under taxonomy code 122300000X. Dmand AI has John Mason's licenses on file in 2 states: Kentucky and Indiana.
Specialties and state licenses
- Dentist, KentuckyPrimary
- Indiana license
Dentists near John Mason
Counts of dentists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
John Isaac Mason Jr. wrote 244 Medicare Part D claims in 2024
In 2024, John Mason wrote 244 Medicare Part D claims for 127 patients. 97% of them were for generic drugs.
John Mason's Part D claims by kind of drug, 2024
- Generic237 claims97%
- Brand-name and other7 claims3%
Drug classes CMS tracks in John Mason's Part D claims, 2024
- Antibiotics56%136 of 244 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
John Isaac Mason Jr. received $88 in industry payments in 2025
CMS Open Payments shows 2 general payments to John Mason from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Patterson Companies, Inc. paid the most, $88.
Companies that paid John Mason the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for John Isaac Mason Jr.'s profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about John Isaac Mason Jr.
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John Isaac Mason Jr.'s NPI number?
John Isaac Mason Jr.'s NPI number is 1447248505. It was assigned on October 12, 2005, and it is active in the NPI Registry.
What does John Isaac Mason Jr. specialize in?
John Isaac Mason Jr. is a dentist in Louisville, Kentucky. The primary specialty in the NPI Registry is Dentist (taxonomy code 122300000X).
Where does John Isaac Mason Jr. practice?
John Mason practices at 1504 S 7th St, Louisville, KY 40208-1711. John Mason's primary practice is Old Louisville Dental Centre in Louisville, Kentucky. Dmand AI also links John Mason to 2 medical groups and 1 group practice or clinic.
What is John Isaac Mason Jr.'s office phone number?
The practice phone on file for John Mason is (502) 636-5492.
What is John Isaac Mason Jr.'s medical license number?
John Mason holds Kentucky license 6309, one of the licenses on file in 2 states.
Which states has John Isaac Mason Jr. been licensed in?
Dmand AI has state licenses on file for John Mason in Kentucky and Indiana.
Has John Isaac Mason Jr. received payments from drug or device companies?
CMS Open Payments shows $88 in general payments to John Mason from 1 company from 2025 to 2025. The largest total came from Patterson Companies, Inc.
How long has John Isaac Mason Jr. been practicing?
John Mason's NPI was assigned in 2005.
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