Justin Mercer, PA-C
Medical Physician Assistant · Terrytown, LA
Justin Mercer, PA-C is a medical physician assistant with a practice address in Terrytown, Louisiana, and NPI 1629452495, issued on Jul 12, 2015. Check the license (Louisiana PA.200823, as entered in NPPES) with the Louisiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Justin Mercer
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA.200823 LA
Self-reported in NPPES; status is on the state search - Practice location
- 2500 Belle Chasse Hwy, Terrytown, LA 70056
- Phone
- (504) 392-3131
- Enumerated
- Jul 12, 2015
- Record last updated
- Nov 9, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicaid IDs
- 02955357 MS
2400363 LA - Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 340 in Louisiana → Look up another NPI →
Also registered at 2500 Belle Chasse Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Justin Mercer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Louisiana board licenses this profession
Search for license PA.200823Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average medical physician assistant in 2024
386 Medicare Part D claims for 217 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 54 claims were for opioids.
Most prescribed
- Meloxicam52 claims
- Prednisone46 claims
- Hydrocodone-Acetaminophen45 claims
- Albuterol Sulfate Hfa34 claims
- Sulfamethoxazole-Trimethoprim17 claims
- Cephalexin15 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: $64.17
2 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 16,165 providers of this specialty with any payment received $1,055.00 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.
Justin Mercer among 340 medical physician assistant records in Louisiana
Justin Mercer, PA-C is one of 340 medical physician assistant records with a practice address in Louisiana. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 63% of them.
- NPI issued2015 · 63% of these records are older, 31% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2015 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 medical physician assistant records list a practice address in Terrytown
They are 6 of the 295 NPPES records with a practice address in Terrytown, and 340 medical physician assistant records in Louisiana.
All 340 in Louisiana → Every provider in Terrytown → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Juanita Alexander-Sallier, P.A.Gretna, LA 700561043475759
- Carolyn Borne, PATerrytown, LA 700561053694273
- Daniel Burst, PAGretna, LA 700561063648525
- Erica HargisTerrytown, LA 700561528443868
- Rashed Mahmud, PATerrytown, LA 700561245917152
- Arlysse Rodney, PA-CTerrytown, LA 700561699525287
- Tia Trahan, PA-CGretna, LA 700561588008627
- Keydi Urbina Reyes, PHYSICIAN ASSISTANTGretna, LA 700561932990918
Common questions
What is Justin Mercer, PA-C's NPI number?
Justin Mercer, PA-C's National Provider Identifier (NPI) is 1629452495, issued on Jul 12, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Justin Mercer, PA-C located?
The NPPES record lists a practice address at 2500 Belle Chasse Hwy, Terrytown, LA, 70056. Phone: (504) 392-3131. Providers update this record themselves, so call before visiting.
How can I verify Justin Mercer, PA-C's license?
NPPES lists Louisiana license number PA.200823, as entered by the provider. Search the Louisiana board that licenses this profession; the NPPES record confirms identity only.
How much does Justin Mercer, PA-C prescribe under Medicare Part D?
In 2024, Justin Mercer, PA-C had 386 Medicare Part D claims for 217 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.