Mark Brien, PA-C
Physician Assistant · Jefferson, LA
Mark Brien, PA-C is a physician assistant with a practice address in Jefferson, Louisiana, and NPI 1689401929, issued on Sep 19, 2024. Check the license with the Louisiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Brien
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 1514 Jefferson Hwy, Jefferson, LA 70121
- Phone
- (504) 842-3000
- Enumerated
- Sep 19, 2024
- Record last updated
- Sep 19, 2024
- Medicare enrollment
- Enrolled (PECOS I20241230000698); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 1,556 in Louisiana → Look up another NPI →
Also registered at 1514 Jefferson Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark Brien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Louisiana board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Ochsner Clinic LLCNew Orleans, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Brien among 1,556 physician assistant records in Louisiana
Mark Brien, PA-C 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 2024, is newer than 81% of them.
- NPI issued2024 · 81% of these records are older, 11% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2024 · median 2018 among the 1,031 with a school on file
- Record last updated2024 · 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).
55 physician assistant records list a practice address in Jefferson
They are 55 of the 661 NPPES records with a practice address in Jefferson, and 1,556 physician assistant records in Louisiana.
All 1,556 in Louisiana → Every provider in Jefferson → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Celeste Bear, PANew Orleans, LA 701211104015718
- Nakia Brooks, PHYSICIAN ASSISTANTNew Orleans, LA 701211013187301
- Stephanie Duke, PA CNew Orleans, LA 701211487763017
- John Glotfelty, PANew Orleans, LA 701211710082946
- Robert Grinstead, PA-CNew Orleans, LA 701211043406580
- Daniela Iacona-Carbonella, PANew Orleans, LA 701211649255571
- Kevin Kennedy, PA-CJefferson, LA 701211851569081
- John Reid, PANew Orleans, LA 701211992800130
Common questions
What is Mark Brien, PA-C's NPI number?
Mark Brien, PA-C's National Provider Identifier (NPI) is 1689401929, issued on Sep 19, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Mark Brien, PA-C located?
The NPPES record lists a practice address at 1514 Jefferson Hwy, Jefferson, LA, 70121. Phone: (504) 842-3000. Providers update this record themselves, so call before visiting.
How can I verify Mark Brien, PA-C's license?
Search the Louisiana board that licenses this profession; the NPPES record confirms identity 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.