Mark G. Siverd, OD
- Medicare patients, 2024
- 101
- Part D claims, 2024
- 612
- Industry payments
- $145
- Affiliated sites
- 1
- State license
- 1
- Practice address
- 119 President Madison Dr, Madisonville, LA 70447
- Practice phone
- Call (985) 635-6943
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mark Siverd OD
Madisonville, Louisiana
Find Mark Siverd'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 G. Siverd is an optometrist in Madisonville, Louisiana
Mark Siverd practices at Mark Siverd OD in Madisonville, Louisiana.
Mark Siverd's NPI, 1871690883, was assigned on September 20, 2006. Mark Siverd graduated from Southern College of Optometry in 1976. Mark Siverd holds Louisiana license 789330T.
- NPI
- 1871690883NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658357710
- NPI enumeration date
- September 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (985) 635-6943
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 76
- Medical school graduation
- 1976
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Mark G. Siverd practices at Mark Siverd OD in Madisonville, Louisiana
Mark Siverd's primary practice is Mark Siverd OD, at 119 President Madison Dr, Madisonville, LA 70447 in Saint Tammany Parish. The practice phone is (985) 635-6943.
- Mark Siverd OD119 President Madison Dr, Madisonville, LA 70447 · Saint Tammany ParishPhone(985) 635-6943
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Mark G. Siverd is affiliated with 2 sites of care
Mark Siverd's primary practice is Mark Siverd OD in Madisonville, Louisiana. Dmand AI also links Mark Siverd to 1 physician office, 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 Mark G. Siverd's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mark Siverd practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mark Siverd OD | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Mark G. Siverd is one of 385 optometrists in Louisiana
Optometrist is Mark Siverd's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Mark Siverd is licensed in Louisiana.
Specialties and state licenses
- Optometrist, LouisianaPrimary
Optometrists near Mark Siverd
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 G. Siverd treated 101 Medicare patients in 2024, average age 75
CMS counts 101 Medicare patients who saw Mark Siverd in 2024. The largest group is 65 to 74, with 54 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.05, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Mark Siverd's median patient age at 55, with 60% women.
Mark Siverd's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Mark Siverd's Medicare patients by sex, 2024
- Women6059%
- Men4141%
Chronic conditions among Mark Siverd's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis53%
- Ischemic heart disease40%
- Anxiety26%
- Diabetes25%
- Mood disorders22%
- Depression21%
Share of Medicare patients with each condition. A patient can have several.
Mark Siverd's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Mark G. Siverd wrote 612 Medicare Part D claims in 2024
In 2024, Mark Siverd wrote 612 Medicare Part D claims for 155 patients. 65% of them were for generic drugs.
Mark Siverd's Part D claims by kind of drug, 2024
- Generic398 claims65%
- Brand-name214 claims35%
Drug classes CMS tracks in Mark Siverd's Part D claims, 2024
- Antibiotics2%13 of 612 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
How Mark G. Siverd takes part in Medicare
Mark Siverd 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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Mark G. Siverd received $145 in industry payments in 2025
CMS Open Payments shows 2 general payments to Mark Siverd from 2 drug and device companies in 2025. Entertainment make up the largest share, 89% of the total. Optos, Inc. paid the most, $130.
General payments to Mark Siverd by kind, 2025 to 2025
- Entertainment$13089%
- Food and beverage$1511%
Companies that paid Mark Siverd 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 G. Siverd graduated from Southern College of Optometry
Mark Siverd graduated from Southern College of Optometry in 1976.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Mark G. Siverd'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 Mark G. Siverd
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 G. Siverd's NPI number?
Mark G. Siverd's NPI number is 1871690883. It was assigned on September 20, 2006, and it is active in the NPI Registry.
What does Mark G. Siverd specialize in?
Mark G. Siverd is an optometrist in Madisonville, Louisiana. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Mark G. Siverd practice?
Mark Siverd practices at 119 President Madison Dr, Madisonville, LA 70447. Mark Siverd's primary practice is Mark Siverd OD in Madisonville, Louisiana. Dmand AI also links Mark Siverd to 1 physician office.
What is Mark G. Siverd's office phone number?
The practice phone on file for Mark Siverd is (985) 635-6943.
What is Mark G. Siverd's medical license number?
Mark Siverd holds Louisiana license 789330T.
Does Mark G. Siverd accept Medicare?
Yes. CMS lists Mark Siverd as accepting Medicare assignment.
How many Medicare patients does Mark G. Siverd see?
CMS counts 101 Medicare patients who saw Mark Siverd in 2024, with an average age of 75.
Where did Mark G. Siverd go to medical school?
Mark Siverd graduated from Southern College of Optometry in 1976.
Has Mark G. Siverd received payments from drug or device companies?
CMS Open Payments shows $145 in general payments to Mark Siverd from 2 companies from 2025 to 2025. The largest total came from Optos, Inc.
How long has Mark G. Siverd been practicing?
Mark Siverd graduated from medical school in 1976, 50 years ago.
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