Willard E. Marionneaux Jr., OD
- Medicare patients, 2024
- 156
- Part D claims, 2024
- 101
- Industry payments
- $359
- Affiliated sites
- 2
- Medical group
- 1
- Practice address
- 6609 Main St, Winnsboro, LA 71295
- Practice phone
- Call (318) 728-2299
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Gandy Eye Care a Professional
Winnsboro, Louisiana
Find Willard Marionneaux'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.
Willard E. Marionneaux Jr. is an optometrist in Winnsboro, Louisiana
Willard Marionneaux practices at Gandy Eye Care a Professional in Winnsboro, Louisiana.
Willard Marionneaux's NPI, 1407917891, was assigned on December 12, 2006. Willard Marionneaux graduated from Southern College of Optometry in 1969. Willard Marionneaux holds Louisiana license 712014T.
- NPI
- 1407917891NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7719977784
- NPI enumeration date
- December 12, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (318) 728-2299
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 83
- Medical school graduation
- 1969
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Willard E. Marionneaux Jr. practices at Gandy Eye Care a Professional in Winnsboro, Louisiana
Willard Marionneaux's primary practice is Gandy Eye Care a Professional, at 6609 Main St, Winnsboro, LA 71295 in Franklin Parish. The practice phone is (318) 728-2299.
- Gandy Eye Care a Professional6609 Main St, Winnsboro, LA 71295 · Franklin ParishPhone(318) 728-2299
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Willard E. Marionneaux Jr. is affiliated with 3 sites of care and 1 medical group
Willard Marionneaux's primary practice is Gandy Eye Care a Professional in Winnsboro, Louisiana. Dmand AI also links Willard Marionneaux to 1 physician office, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Willard E. Marionneaux Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Willard Marionneaux practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Gandy Eye Care a Professional | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Willard E. Marionneaux Jr. is one of 385 optometrists in Louisiana
Optometrist is Willard Marionneaux's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Willard Marionneaux is licensed in Louisiana.
Specialties and state licenses
- Optometrist, LouisianaPrimary
Optometrists near Willard Marionneaux
Counts of optometrists 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
Willard E. Marionneaux Jr. treated 156 Medicare patients in 2024, average age 74
CMS counts 156 Medicare patients who saw Willard Marionneaux in 2024. The largest group is 65 to 74, with 77 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 21% are also on Medicaid. Their average risk score is 1.19, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Willard Marionneaux's median patient age at 63, with 60% women.
Willard Marionneaux's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Willard Marionneaux's Medicare patients by sex, 2024
- Women8856%
- Men6844%
Chronic conditions among Willard Marionneaux's Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Arthritis43%
- Diabetes35%
- Ischemic heart disease31%
- Anxiety24%
- Atrial fibrillation22%
- Chronic kidney disease21%
Share of Medicare patients with each condition. A patient can have several.
Willard Marionneaux's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Willard E. Marionneaux Jr. wrote 101 Medicare Part D claims in 2024
In 2024, Willard Marionneaux wrote 101 Medicare Part D claims for 73 patients. 81% of them were for generic drugs.
Willard Marionneaux's Part D claims by kind of drug, 2024
- Generic82 claims81%
- Brand-name19 claims19%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Willard E. Marionneaux Jr. takes part in Medicare
Willard Marionneaux accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Willard E. Marionneaux Jr. received $359 in industry payments in 2025
CMS Open Payments shows 4 general payments to Willard Marionneaux from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $134.
Companies that paid Willard Marionneaux the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Willard E. Marionneaux Jr. graduated from Southern College of Optometry
Willard Marionneaux graduated from Southern College of Optometry in 1969.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Willard E. Marionneaux 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Willard E. Marionneaux 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 Willard E. Marionneaux Jr.'s NPI number?
Willard E. Marionneaux Jr.'s NPI number is 1407917891. It was assigned on December 12, 2006, and it is active in the NPI Registry.
What does Willard E. Marionneaux Jr. specialize in?
Willard E. Marionneaux Jr. is an optometrist in Winnsboro, Louisiana. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Willard E. Marionneaux Jr. practice?
Willard Marionneaux practices at 6609 Main St, Winnsboro, LA 71295. Willard Marionneaux's primary practice is Gandy Eye Care a Professional in Winnsboro, Louisiana. Dmand AI also links Willard Marionneaux to 1 physician office, 1 group practice or clinic and 1 medical group.
What is Willard E. Marionneaux Jr.'s office phone number?
The practice phone on file for Willard Marionneaux is (318) 728-2299.
What is Willard E. Marionneaux Jr.'s medical license number?
Willard Marionneaux holds Louisiana license 712014T.
Does Willard E. Marionneaux Jr. accept Medicare?
Yes. CMS lists Willard Marionneaux as accepting Medicare assignment.
How many Medicare patients does Willard E. Marionneaux Jr. see?
CMS counts 156 Medicare patients who saw Willard Marionneaux in 2024, with an average age of 74.
Where did Willard E. Marionneaux Jr. go to medical school?
Willard Marionneaux graduated from Southern College of Optometry in 1969.
Has Willard E. Marionneaux Jr. received payments from drug or device companies?
CMS Open Payments shows $359 in general payments to Willard Marionneaux from 3 companies from 2025 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Willard E. Marionneaux Jr. been practicing?
Willard Marionneaux graduated from medical school in 1969, 57 years ago.
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