Mark George Nelson, PA-C
- Medicare patients, 2024
- 77
- Part D claims, 2024
- 25
- Hospital affiliations
- 2
- Industry payments
- $90
- Medical groups
- 2
- Practice address
- 539 East Prudhomme Street, Opelousas, LA 70570
- Practice phone
- Call (337) 948-3011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Mark Nelson'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 George Nelson is a physician assistant in Opelousas, Louisiana
Mark Nelson practices at Opelousas General Health System in Opelousas, Louisiana, part of St Landry Parish Government.
Mark Nelson's NPI, 1750312468, was assigned on July 5, 2006. Mark Nelson holds Louisiana license LA10059.
- NPI
- 1750312468NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739199308
- NPI enumeration date
- July 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (337) 948-3011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 71
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mark George Nelson practices at Opelousas General Health System in Opelousas, Louisiana
Mark Nelson's primary practice is Opelousas General Health System, at 539 East Prudhomme Street, Opelousas, LA 70570 in St. Landry Parish. The practice phone is (337) 948-3011.
- Opelousas General Health System539 East Prudhomme Street, Opelousas, LA 70570 · St. Landry ParishPhone(337) 948-3011
Source: Dmand AI Affiliation Data
Mark George Nelson is affiliated with 3 sites of care and 2 medical groups
Mark Nelson's primary practice is Opelousas General Health System in Opelousas, Louisiana, part of St Landry Parish Government. The medical group on file is SouthStar Urgent Care. Dmand AI also links Mark Nelson to 1 more hospital, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Mark George Nelson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mark Nelson practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Opelousas General Health System | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across St Landry Parish Government and 6.2K+ hospitals, with verified contacts in the same login.
Mark George Nelson is one of 1,286 physician assistants in Louisiana
Physician assistant is Mark Nelson's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Mark Nelson is licensed in Louisiana.
Specialties and state licenses
- Physician assistant, LouisianaPrimary
Physician assistants near Mark Nelson
Counts of physician assistants 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 George Nelson treated 77 Medicare patients in 2024, average age 71
CMS counts 77 Medicare patients who saw Mark Nelson in 2024. The largest group is 65 to 74, with 42 patients. 75% of them have arthritis, and 75% have high blood pressure. 18% are also on Medicaid. Their average risk score is 0.95, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Mark Nelson's median patient age at 67, with 62% women.
Mark Nelson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Mark Nelson's Medicare patients by sex, 2024
- Women4255%
- Men3545%
Chronic conditions among Mark Nelson's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol68%
- Anxiety48%
- Depression26%
- Mood disorders26%
- Diabetes23%
- Ischemic heart disease23%
Share of Medicare patients with each condition. A patient can have several.
Mark Nelson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women62%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Mark George Nelson wrote 25 Medicare Part D claims in 2024
In 2024, Mark Nelson wrote 25 Medicare Part D claims for 20 patients. 84% of them were for generic drugs.
Mark Nelson's Part D claims by kind of drug, 2024
- Generic21 claims84%
- Brand-name and other4 claims16%
Drug classes CMS tracks in Mark Nelson's Part D claims, 2024
- Opioids52%13 of 25 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 George Nelson takes part in Medicare
Mark Nelson 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 George Nelson received $90 in industry payments in 2025
CMS Open Payments shows 5 general payments to Mark Nelson from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $69.
Companies that paid Mark Nelson 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 Mark George Nelson'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 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) |
| 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 George Nelson
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 George Nelson's NPI number?
Mark George Nelson's NPI number is 1750312468. It was assigned on July 5, 2006, and it is active in the NPI Registry.
What does Mark George Nelson specialize in?
Mark George Nelson is a physician assistant in Opelousas, Louisiana. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Mark George Nelson practice?
Mark Nelson practices at 539 East Prudhomme Street, Opelousas, LA 70570. Mark Nelson's primary practice is Opelousas General Health System in Opelousas, Louisiana, part of St Landry Parish Government. Dmand AI also links Mark Nelson to 1 hospital, 1 group practice or clinic and 1 medical group.
What is Mark George Nelson's office phone number?
The practice phone on file for Mark Nelson is (337) 948-3011.
What is Mark George Nelson's medical license number?
Mark Nelson holds Louisiana license LA10059.
Which hospitals is Mark George Nelson affiliated with?
Mark Nelson practices at Opelousas General Health System in Opelousas, Louisiana. Dmand AI links Mark Nelson to 1 more hospital.
What medical group is Mark George Nelson part of?
Mark Nelson is linked to SouthStar Urgent Care. Dmand AI links Mark Nelson to 1 more medical group.
Does Mark George Nelson accept Medicare?
Yes. CMS lists Mark Nelson as accepting Medicare assignment.
How many Medicare patients does Mark George Nelson see?
CMS counts 77 Medicare patients who saw Mark Nelson in 2024, with an average age of 71.
Has Mark George Nelson received payments from drug or device companies?
CMS Open Payments shows $90 in general payments to Mark Nelson from 2 companies from 2025 to 2025. The largest total came from Stryker Corporation.
How long has Mark George Nelson been practicing?
Mark Nelson graduated from medical school in 1981, 45 years ago.
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