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MARY NGUYEN MD
NPI 1427599729
Psychiatry & Neurology - Neurology in Gretna, LA

Active since March 20, 2017PECOS EnrolledAccepts Medicare Assignment
120 OCHSNER BLVD STE 220, GRETNA, LA 70056(504) 595-8318 Get Directions Write a Review

NPPES record last updated: October 20, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Oct 20, 2022, Sep 28, 2022, Mar 20, 2017 (3 updates tracked since 2017).

About Mary Nguyen Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARY NGUYEN MD (NPI 1427599729) is an individual neurology provider in Gretna, Louisiana, licensed in Louisiana (332762) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS, is affiliated with Ochsner Medical Center Acute, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1427599729
Entity TypeIndividualFemale
Primary Taxonomy2084N0400X
Provider Legal NameMARY NGUYENCredential: MD
Location Address120 OCHSNER BLVD STE 220Gretna, LA 70056-5248
Mailing Address120 Ochsner Blvd Ste 220Gretna, LA 70056-5248
Phone(504) 595-8318
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateMarch 20, 2017
Last NPPES UpdateOctober 20, 20223 updates tracked since enumeration
NPPES CertifiedOctober 20, 2022
✔ NPI 1427599729 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License✔ Licensed in LA · 332762
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
120 OCHSNER BLVD STE 220, Gretna, LA 70056
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Louisiana, HMO Louisiana.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mary Nguyen Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1951671577
PECOS Enrollment IDI20221108002456
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
82 services66 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
53 services47 patients
Needle measurement of electrical activity in arm or leg muscles, complete study 95886
This procedure, known as an electromyography (EMG), involves inserting a small needle into your arm or leg muscles to measure their electrical activity. This complete study helps diagnose issues with nerves or muscles, providing valuable data for your treatment plan.
45 services42 patients
Nerve conduction, 9-10 studies 95911
Nerve conduction studies involve sending small electrical shocks through the skin to measure how quickly nerves transmit signals. This helps detect nerve damage. 9-10 studies mean this process will be repeated on different nerves to gather comprehensive data.
38 services38 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
19 services16 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
13 services13 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ochsner Medical Center Acute

Acute Care Hospitals · New Orleans, LA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number190036
Location1516 Jefferson HwyNew Orleans, LA 70121 · Jefferson County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 70056 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$128.88 typical visit price
range $55.50 – $170.30
Typical copayment $32.22 (range $13.87 – $42.57)
Most-billed visit code 99204
Established Patient
$98.35 typical visit price
range $17.42 – $138.03
Typical copayment $24.58 (range $4.35 – $34.50)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mary Nguyen's NPI number?

The NPI number for Mary Nguyen is 1427599729. It was assigned to this individual provider in the NPPES registry on March 20, 2017.

Where is Mary Nguyen located?

Mary Nguyen practices at 120 Ochsner Blvd Ste 220, Gretna, LA 70056. The listed phone number is (504) 595-8318.

What is Mary Nguyen's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Mary Nguyen enrolled in Medicare?

Yes. Mary Nguyen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Mary Nguyen accept?

Health plans from Blue Cross and Blue Shield of Louisiana and HMO Louisiana list Mary Nguyen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Mary Nguyen affiliated with any hospitals?

According to CMS data, Mary Nguyen is affiliated with Ochsner Medical Center Acute.

When was this NPI record last updated?

The NPPES record for Mary Nguyen was last updated on October 20, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.