Mary Nguyen, MD
Neurology Physician · Gretna, LA
Mary Nguyen, MD is a neurology physician with a practice address in Gretna, Louisiana, and NPI 1427599729, issued on Mar 20, 2017. Check the license (Louisiana 332762, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Mary Nguyen
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- 332762 LA
Self-reported in NPPES; status is on the state search - Practice location
- 120 Ochsner Blvd Ste 220, Gretna, LA 70056
- Phone
- (504) 595-8318
- Enumerated
- Mar 20, 2017
- Record last updated
- Oct 20, 2022
- Medicare enrollment
- Enrolled (PECOS I20221108002456); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 242 in Louisiana → Look up another NPI →
Verify Mary Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 332762Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% more Medicare Part D claims than the average neurology physician in 2024
1,663 Medicare Part D claims for 238 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.
Most prescribed
- Gabapentin218 claims
- Levetiracetam131 claims
- Donepezil Hcl107 claims
- Pregabalin91 claims
- Ubrelvy75 claims
- Aimovig Autoinjector72 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: $1,154.20
59 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 10,858 providers of this specialty with any payment received $8,318.07 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
- Ochsner Clinic LLCGretna, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Nguyen among 242 neurology physician records in Louisiana
Mary Nguyen, MD is one of 242 neurology physician records with a practice address in Louisiana. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 80% of them.
- NPI issued2017 · 80% of these records are older, 15% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2016 · median 2006 among the 179 with a school on file
- Record last updated2022 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in Louisiana
There are 242 neurology physician records in Louisiana.
All 242 in Louisiana → Every provider in Gretna → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Ruben Juarbe, MDTerrytown, LA 700561336310481
- Tanya Kapoor-Maini, DOGretna, LA 700561124439328
- Dhanpat Mohnot, MDGretna, LA 700561780689364
- Chris Collins, M.D.Kenner, LA 700651114362613
- Robin Davis, MDKenner, LA 700651265722037
- Mason DyessKenner, LA 700651902265176
- Cheryl Goyne, M.D.Kenner, LA 700651881702041
- Carlos Cevallos Chonillo, M.D.Chalmette, LA 700431437772191
Common questions
What is Mary Nguyen, MD's NPI number?
Mary Nguyen, MD's National Provider Identifier (NPI) is 1427599729, issued on Mar 20, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Mary Nguyen, MD located?
The NPPES record lists a practice address at 120 Ochsner Blvd Ste 220, Gretna, LA, 70056. Phone: (504) 595-8318. Providers update this record themselves, so call before visiting.
How can I verify Mary Nguyen, MD's license?
NPPES lists Louisiana license number 332762, as entered by the provider. Search the Louisiana State Board of Medical Examiners at https://www.lsbme.la.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mary Nguyen, MD prescribe under Medicare Part D?
In 2024, Mary Nguyen, MD had 1,663 Medicare Part D claims for 238 beneficiaries; the average among neurology physician prescribers was 1,370. 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.