Mark Joseph Roy III, OD
- Medicare patients, 2024
- 163
- Part D claims, 2024
- 434
- Industry payments
- $647
- Affiliated sites
- 1
- State license
- 1
- Practice address
- 640 St Charles St, Thibodaux, LA 70301
- Practice phone
- Call (985) 446-1717
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Thibodaux Vision Center
Physician office · Thibodaux, Louisiana
Find Mark Roy'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.
Mark Joseph Roy III is an optometrist in Thibodaux, Louisiana
Mark Roy practices at Thibodaux Vision Center in Thibodaux, Louisiana.
Mark Roy's NPI, 1851360424, was assigned on March 16, 2006. Mark Roy graduated from Southern College of Optometry in 2002. Mark Roy holds Louisiana license 1354-488T.
- NPI
- 1851360424NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3678768744
- NPI enumeration date
- March 16, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (985) 446-1717
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mark Joseph Roy III practices at Thibodaux Vision Center in Thibodaux, Louisiana
Mark Roy's primary practice is Thibodaux Vision Center, at 640 St Charles St, Thibodaux, LA 70301. The practice phone is (985) 446-1717.
- Thibodaux Vision Center640 St Charles St, Thibodaux, LA 70301Phone(985) 446-1717
Source: Dmand AI Affiliation Data
Mark Joseph Roy III is affiliated with 1 site of care
Mark Roy's primary practice is Thibodaux Vision Center in Thibodaux, Louisiana.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Mark Joseph Roy III's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mark Roy practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Thibodaux Vision Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Mark Joseph Roy III is one of 385 optometrists in Louisiana
Optometrist is Mark Roy's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Mark Roy is licensed in Louisiana.
Specialties and state licenses
- Optometrist, LouisianaPrimary
Optometrists near Mark Roy
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
Mark Joseph Roy III treated 163 Medicare patients in 2024, average age 74
CMS counts 163 Medicare patients who saw Mark Roy in 2024. The largest group is 65 to 74, with 67 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 1.05, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Mark Roy's median patient age at 71, with 57% women.
Mark Roy's Medicare patients by age, 2024
Mark Roy's Medicare patients by sex, 2024
- Women8552%
- Men7848%
Chronic conditions among Mark Roy's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes44%
- Arthritis36%
- Ischemic heart disease36%
- Anxiety33%
- Chronic kidney disease26%
- Mood disorders21%
Share of Medicare patients with each condition. A patient can have several.
Mark Roy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Mark Joseph Roy III wrote 434 Medicare Part D claims in 2024
In 2024, Mark Roy wrote 434 Medicare Part D claims for 98 patients. 59% of them were for generic drugs.
Mark Roy's Part D claims by kind of drug, 2024
- Generic256 claims59%
- Brand-name178 claims41%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Mark Joseph Roy III takes part in Medicare
Mark Roy accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Cataract surgery: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Mark Joseph Roy III received $647 in industry payments in 2025
CMS Open Payments shows 7 general payments to Mark Roy from 6 drug and device companies in 2025. Food and beverage make up the largest share, 75% of the total. Optos, Inc. paid the most, $159.
General payments to Mark Roy by kind, 2025 to 2025
- Food and beverage$48975%
- Entertainment$15925%
Companies that paid Mark Roy the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Mark Joseph Roy III graduated from Southern College of Optometry
Mark Roy graduated from Southern College of Optometry in 2002.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Mark Joseph Roy III'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 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)Doctors and Clinicians Utilization Data (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 Mark Joseph Roy III
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mark Joseph Roy III's NPI number?
Mark Joseph Roy III's NPI number is 1851360424. It was assigned on March 16, 2006, and it is active in the NPI Registry.
What does Mark Joseph Roy III specialize in?
Mark Joseph Roy III is an optometrist in Thibodaux, Louisiana. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Mark Joseph Roy III practice?
Mark Roy practices at 640 St Charles St, Thibodaux, LA 70301. Mark Roy's primary practice is Thibodaux Vision Center in Thibodaux, Louisiana.
What is Mark Joseph Roy III's office phone number?
The practice phone on file for Mark Roy is (985) 446-1717.
What is Mark Joseph Roy III's medical license number?
Mark Roy holds Louisiana license 1354-488T.
Does Mark Joseph Roy III accept Medicare?
Yes. CMS lists Mark Roy as accepting Medicare assignment.
How many Medicare patients does Mark Joseph Roy III see?
CMS counts 163 Medicare patients who saw Mark Roy in 2024, with an average age of 74.
Where did Mark Joseph Roy III go to medical school?
Mark Roy graduated from Southern College of Optometry in 2002.
Has Mark Joseph Roy III received payments from drug or device companies?
CMS Open Payments shows $647 in general payments to Mark Roy from 6 companies from 2025 to 2025. The largest total came from Optos, Inc.
How long has Mark Joseph Roy III been practicing?
Mark Roy graduated from medical school in 2002, 24 years ago.
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