Mark George Nelson, PAC
Physician Assistant · Opelousas, LA
Mark George Nelson, PAC is a physician assistant with a practice address in Opelousas, Louisiana, and NPI 1750312468, issued on Jul 5, 2006. Check the license (Louisiana LA10059, as entered in NPPES) with the Louisiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark George Nelson
- Credential
- PAC
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- LA10059 LA
Self-reported in NPPES; status is on the state search - Practice location
- 4015 Hwy I 49 South Service RD, Opelousas, LA 70570
- Phone
- (337) 942-6503
- Enumerated
- Jul 5, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (337) 942-8831
- Medicare enrollment
- Enrolled (PECOS I20060426000703); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 1,556 in Louisiana → Look up another NPI →
Also registered at 4015 Hwy I 49 South Service RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thomas Butaud, MDOrthopaedic Surgery Physician1447281001
Verify Mark George Nelson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Louisiana board licenses this profession
Search for license LA10059Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average physician assistant in 2024
25 Medicare Part D claims for 20 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Oxycodone-Acetaminophen11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $233.85
3 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Opelousas General Health System Physician PracticesOpelousas, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark George Nelson among 1,556 physician assistant records in Louisiana
Mark George Nelson, PAC is one of 1,556 physician assistant records with a practice address in Louisiana. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 91% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1981 · median 2018 among the 1,031 with a school on file
- Record last updated2007 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 physician assistant records list a practice address in Opelousas
They are 10 of the 648 NPPES records with a practice address in Opelousas, and 1,556 physician assistant records in Louisiana.
All 1,556 in Louisiana → Every provider in Opelousas → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Aaron Blanchard, PAOpelousas, LA 705701962453365
- Emily Colligan, PAOpelousas, LA 705701043049174
- Kimberly Cornay, PAOpelousas, LA 705701538853601
- Jessica Fussell, PAOpelousas, LA 705701366779175
- Demi Lyons, PAOpelousas, LA 705701770216442
- Brittnei Picard, PA-COpelousas, LA 705701184102451
- Caroline SaucierOpelousas, LA 705701487481685
- Taran Taylor, PA-COpelousas, LA 705701497184865
Common questions
What is Mark George Nelson, PAC's NPI number?
Mark George Nelson, PAC's National Provider Identifier (NPI) is 1750312468, issued on Jul 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark George Nelson, PAC located?
The NPPES record lists a practice address at 4015 Hwy I 49 South Service RD, Opelousas, LA, 70570. Phone: (337) 942-6503. Providers update this record themselves, so call before visiting.
How can I verify Mark George Nelson, PAC's license?
NPPES lists Louisiana license number LA10059, as entered by the provider. Search the Louisiana board that licenses this profession; the NPPES record confirms identity only.
How much does Mark George Nelson, PAC prescribe under Medicare Part D?
In 2024, Mark George Nelson, PAC had 25 Medicare Part D claims for 20 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.