John F. Day Jr., DDS
- Part D claims, 2024
- 197
- Industry payments
- $11
- Affiliated sites
- 2
- Medical group
- 1
- State license
- 1
- Practice address
- 3140 Florida St, Baton Rouge, LA 70806
- Practice phone
- Call (225) 650-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
CareSouth Mobile Dental Unit
FQHC - Satellite Clinic · Baton Rouge, Louisiana
Find John Day'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 F. Day Jr. is a dentist in Baton Rouge, Louisiana
John Day practices at CareSouth Mobile Dental Unit in Baton Rouge, Louisiana.
John Day's NPI, 1336261122, was assigned on April 4, 2007. John Day holds Louisiana license LA 4061.
- NPI
- 1336261122NPI Registry (opens in a new tab)
- NPI enumeration date
- April 4, 2007
- NPI status
- Active
- Practice phone
- (225) 650-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
John F. Day Jr. practices at CareSouth Mobile Dental Unit in Baton Rouge, Louisiana
John Day's primary practice is CareSouth Mobile Dental Unit, at 3140 Florida St, Baton Rouge, LA 70806 in East Baton Rouge Parish. The practice phone is (225) 650-2000.
- CareSouth Mobile Dental Unit3140 Florida St, Baton Rouge, LA 70806 · East Baton Rouge ParishPhone(225) 650-2000
Source: Dmand AI Affiliation Data
John F. Day Jr. is affiliated with 2 sites of care and 1 medical group
John Day's primary practice is CareSouth Mobile Dental Unit in Baton Rouge, Louisiana. The medical group on file is CareSouth Medical & Dental. Dmand AI also links John Day to 1 more group practice or clinic, named with a free account. John Day's employer is on file too: a community health center (fqhc).
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at John F. Day Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Day practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| CareSouth Mobile Dental Unit | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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John F. Day Jr. is one of 364 dentists in Louisiana
Dentist is John Day's primary specialty in the NPI Registry, under taxonomy code 122300000X. John Day is licensed in Louisiana.
Specialties and state licenses
- Dentist, LouisianaPrimary
Dentists near John Day
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 F. Day Jr.'s patients have a median age of 69
Across all payers, Dmand AI patient panel data puts John Day's median patient age at 69, with 65% women.
John Day's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women65%
- Men34%
Source: Dmand AI Patient Panel Data
John F. Day Jr. wrote 197 Medicare Part D claims in 2024
In 2024, John Day wrote 197 Medicare Part D claims for 69 patients. 99% of them were for generic drugs.
John Day's Part D claims by kind of drug, 2024
- Generic195 claims99%
- Brand-name and other2 claims1%
Drug classes CMS tracks in John Day's Part D claims, 2024
- Opioids42%82 of 197 claims
- Antibiotics23%46 of 197 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
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John F. Day Jr. received $11 in industry payments in 2025
CMS Open Payments shows 1 general payment to John Day from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. VOCO America Inc. paid the most, $11.
Companies that paid John Day 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 F. Day 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 Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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 F. Day 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 F. Day Jr.'s NPI number?
John F. Day Jr.'s NPI number is 1336261122. It was assigned on April 4, 2007, and it is active in the NPI Registry.
What does John F. Day Jr. specialize in?
John F. Day Jr. is a dentist in Baton Rouge, Louisiana. The primary specialty in the NPI Registry is Dentist (taxonomy code 122300000X).
Where does John F. Day Jr. practice?
John Day practices at 3140 Florida St, Baton Rouge, LA 70806. John Day's primary practice is CareSouth Mobile Dental Unit in Baton Rouge, Louisiana. Dmand AI also links John Day to 1 group practice or clinic.
What is John F. Day Jr.'s office phone number?
The practice phone on file for John Day is (225) 650-2000.
What is John F. Day Jr.'s medical license number?
John Day holds Louisiana license LA 4061.
What medical group is John F. Day Jr. part of?
John Day is linked to CareSouth Medical & Dental.
Has John F. Day Jr. received payments from drug or device companies?
CMS Open Payments shows $11 in general payments to John Day from 1 company from 2025 to 2025. The largest total came from VOCO America Inc.
How long has John F. Day Jr. been practicing?
John Day's NPI was assigned in 2007.
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