Dr. John L. Clark Jr., MD
- Industry payments
- $255
- Affiliated sites
- 2
- State license
- 1
- Year NPI issued
- 2005
- Practice address
- 180 Ninth Street, Jena, LA 71342
- Practice phone
- Call (318) 992-4275
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
LaSalle Family Medicine Clinic
Rural Health Clinic - Hospital-Owned · Jena, Louisiana
Find Dr. Clark'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.
Dr. John L. Clark Jr. is a pediatrician in Jena, Louisiana
Dr. Clark practices at LaSalle Family Medicine Clinic in Jena, Louisiana.
Dr. Clark's NPI, 1609859040, was assigned on November 21, 2005. Dr. Clark holds Louisiana license MD021955.
- NPI
- 1609859040NPI Registry (opens in a new tab)
- NPI enumeration date
- November 21, 2005
- NPI status
- Active
- Practice phone
- (318) 992-4275
- 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
Dr. John L. Clark Jr. practices at LaSalle Family Medicine Clinic in Jena, Louisiana
Dr. Clark's primary practice is LaSalle Family Medicine Clinic, at 180 Ninth Street, Jena, LA 71342. The practice phone is (318) 992-4275.
- LaSalle Family Medicine Clinic180 Ninth Street, Jena, LA 71342Phone(318) 992-4275
Source: Dmand AI Affiliation Data
Dr. John L. Clark Jr. is affiliated with 2 sites of care
Dr. Clark's primary practice is LaSalle Family Medicine Clinic in Jena, Louisiana. Dmand AI also links Dr. Clark to 1 physician office, named with a free account. Dr. Clark's employer is on file too: a rural health clinic (rhc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John L. Clark Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Clark practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| LaSalle Family Medicine Clinic | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John L. Clark Jr. is one of 779 pediatricians in Louisiana
Pediatrics is Dr. Clark's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Clark is licensed in Louisiana.
Specialties and state licenses
- Pediatrics, LouisianaPrimary
Pediatricians near Dr. Clark
Counts of pediatricians 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
Dr. John L. Clark Jr.'s patients have a median age of 11
Across all payers, Dmand AI patient panel data puts Dr. Clark's median patient age at 11, with 46% women.
Dr. Clark's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 11
Patient panel by sex, all payers
- Women46%
- Men53%
Source: Dmand AI Patient Panel Data
Dr. John L. Clark Jr. received $255 in industry payments from 2016 to 2025
CMS Open Payments shows 15 general payments to Dr. Clark from 6 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 90% of the total. Corium, LLC paid the most, $106.
General payments to Dr. Clark by program year, 2016 to 2025
General payments to Dr. Clark by kind, 2016 to 2025
- Food and beverage$23090%
- Consulting fees$2510%
Companies that paid Dr. Clark the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John L. Clark 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 DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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 Dr. John L. Clark 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 Dr. John L. Clark Jr.'s NPI number?
Dr. John L. Clark Jr.'s NPI number is 1609859040. It was assigned on November 21, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. John L. Clark Jr.?
Dr. John L. Clark Jr. is a pediatrician in Jena, Louisiana. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. John L. Clark Jr. practice?
Dr. Clark practices at 180 Ninth Street, Jena, LA 71342. Dr. Clark's primary practice is LaSalle Family Medicine Clinic in Jena, Louisiana. Dmand AI also links Dr. Clark to 1 physician office.
What is Dr. John L. Clark Jr.'s office phone number?
The practice phone on file for Dr. Clark is (318) 992-4275.
What is Dr. John L. Clark Jr.'s medical license number?
Dr. Clark holds Louisiana license MD021955.
Has Dr. John L. Clark Jr. received payments from drug or device companies?
CMS Open Payments shows $255 in general payments to Dr. Clark from 6 companies from 2016 to 2025. The largest total came from Corium, LLC.
How long has Dr. John L. Clark Jr. been practicing?
Dr. Clark's NPI was assigned in 2005.
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