2026 NPPES data Specialist NPI 1285889675 MD
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NELLY AOUN, MD

Specialist in COVINGTON, Louisiana. CMS National Plan and Provider Enumeration System profile including specialty classification, practice address, and Medicare prescribing data when reported.

Federal data — no proprietary rating. PlainDoctor publishes the actual CMS NPPES and Medicare records — NPI registration, specialty, practice location, and prescribing data — without a composite score or editorial opinion on top. Every field traces to a federal source.
Prescribing volume
584
Medicare Part D claims · 146 beneficiaries · Specialist avg: 1K
Generic prescribing
90%
generic claims · 10% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$2.3K
5 payments · CMS Open Payments (Sunshine Act)
What the federal data reveals: NELLY AOUN, MD is a Specialist ([object Object]) practicing in COVINGTON, Louisiana with a Medicare Part D prescribing footprint of 584 claims across 146 beneficiaries — 10% brand-name prescribing . Industry payments of $2.3K across 5 transactions are disclosed under CMS Open Payments (Sunshine Act).

What stands out: NELLY AOUN, MD filed 584 Medicare Part D claims in 2023 across COVINGTON, Louisiana. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

NELLY AOUN, MD at a glance

Quality data not reported

NPI registry status

Active

Issued 11/26/2008

NPI 1285889675

Primary specialty

Specialist

High-volume

69,658 US NPIs in this specialty

Medicare Part D claims

584 60% vs specialty avg

2023 prescription claims

Specialty avg: 1,474

Specialty distribution in Louisiana

How Specialist compares to other specialties among Louisiana providers

Louisiana providers

Specialist share within Louisiana

1. Specialist42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Specialist share within Louisiana

Specialty board-certification context

Estimated specialty board-certified rate — Specialist (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
Specialist ABMS/AOA estimate

Est. board-certified rate (Specialist) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Specialist) — ABMS / AOA estimate

The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.

Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).

NELLY AOUN, MD is a Specialist provider practicing in COVINGTON, Louisiana, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: MD. NPI: 1285889675. This profile includes practice location, specialty classification, and organizational affiliations from the CMS provider registry. Provider information is self-reported to CMS and updated monthly.

NELLY AOUN, MD appears in the CMS NPPES registry as a Specialist provider holding MD credentials at 900 OCHSNER BLVD., COVINGTON, LA, 70433, with a listed phone of (985) 249-2383. NPI 1285889675 was issued on 11/26/2008. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what AOUN most recently submitted to CMS rather than a vetted directory listing, which is why patients should always confirm the practice is still at this location before scheduling.

Medicare Part D records for calendar year 2023 show 584 prescription claims written by this provider, covering 146 Medicare beneficiaries and totaling roughly $399K in drug spend, split 10% brand-name and 90% generic by claim count, with an opioid prescribing rate of 9.2%. These figures capture only Medicare Part D — commercial insurance, Medicaid, and cash-pay prescriptions are not included, and any drug-beneficiary cell under 11 is suppressed by CMS for patient privacy.

Specialist is a high-volume specialty nationwide, with 69,658 enrolled providers across 55 states and an average of 1,474 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline. Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist — always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.

Practice Address

900 OCHSNER BLVD.
COVINGTON, LA 70433

Provider Details

NPI 1285889675
Specialty Specialist
Credentials MD
Gender Female
NPI Issued 11/26/2008

Hospital and facility affiliations

Facilities where NELLY AOUN, MD bills Medicare from. Star ratings (1-5) are CMS Hospital Compare's "Hospital overall rating" — a composite of mortality, readmission, patient experience, safety, timely care, and efficient use of medical imaging measures. Source: CMS Care Compare.

OCHSNER CLINIC LLC
SLIDELL, LA

Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).

Industry payments received (2024) — CMS Open Payments transparency data

The federal Physician Payments Sunshine Act (part of the Affordable Care Act) requires drug and medical-device manufacturers + group purchasing organizations to publicly report payments and other transfers of value to physicians and teaching hospitals. The data below covers 2024 for NELLY AOUN, MD. Source: openpaymentsdata.cms.gov.

Total received

$2.3K

Largest payer

Novartis Pharmaceuticals Corporation

Most common payment type

Food and Beverage

Industry payments are not necessarily indicators of bias — they include research funding, consulting fees for evidence-based work, royalties for inventions, food at conferences, and similar items. The disclosure exists for transparency. Read our methodology for how we interpret this data.

Brand vs generic prescribing mix · Typical

NELLY AOUN, MD — brand share 10.0%
Specialty average (est.)

10% brand-name claims vs 90% generic, on 584 2023 Medicare Part D claims.

The federal Medicare Part D Generic Dispensing Rate national benchmark sits near 90% generic / 10% brand for primary-care prescribers, per CMS Office of the Actuary 2024 estimates. Higher brand share is common in specialty prescribing where generic equivalents are not available.

Medicare Part D Prescribing Data

CMS Medicare Part D prescriber-level data for calendar year 2023.

584
Total Claims
$399K
Total Drug Cost
146
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
735
Total Day Supply
17,769
Brand vs Generic
10% brand / 90% generic
Brand Drug Cost
$169K
Generic Drug Cost
$230K
Opioid Claims
54 (9.2% rate)
Antibiotic Claims
24

Patient Demographics

Average Patient Age
72.7 years
Avg HCC Risk Score
2.00
Gender Split
47% female / 53% male

Top Prescribed Drugs (Medicare Part D)

Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.

Drug Claims
Prednisone
83
Abiraterone Acetate
47
Eliquis
Apixaban
31
Ondansetron Hcl
26
Oxycodone Hcl
25
Alendronate Sodium
21
Dexamethasone
20
Promethazine Hcl
19
Megestrol Acetate
17
Olanzapine
15

* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.

Specialist Overview

How NELLY AOUN, MD fits within the Specialist landscape nationally.

69,658
Specialist Providers in US
55
States with Specialist
1,474
Avg Claims per Provider

NELLY AOUN, MD's 584 claims are below the specialty average of 1,474.

Nearby Specialist Providers in Louisiana

Other clinicians with the same primary specialty enrolled in Louisiana, drawn from the same CMS NPPES roster as AOUN.

Compare Specialist nationally: see state-by-state distribution →

Frequently Asked Questions

What is NELLY AOUN, MD's specialty?
NELLY AOUN, MD specializes in Specialist and practices in COVINGTON, Louisiana. Credentials: MD.
How much does NELLY AOUN, MD prescribe under Medicare Part D?
In 2023, NELLY AOUN, MD wrote 584 Medicare Part D claims totaling $399K in drug costs for 146 beneficiaries.
Where is NELLY AOUN, MD located?
NELLY AOUN, MD is located at 900 OCHSNER BLVD., COVINGTON, LA, 70433. Phone: (985) 249-2383.
What is NELLY AOUN, MD's NPI number?
NELLY AOUN, MD's National Provider Identifier (NPI) is 1285889675, issued on 11/26/2008.
Does NELLY AOUN, MD prescribe more brand-name or generic drugs?
NELLY AOUN, MD's prescribing is 10% brand-name and 90% generic drugs by claim count, with $169K in brand drug costs.
Does NELLY AOUN, MD prescribe opioids?
Yes, NELLY AOUN, MD had 54 opioid claims in 2023 with an opioid prescribing rate of 9.2%.
How many Specialist providers are there in the US?
There are 69,658 Specialist providers across 55 states in the US. The average Specialist provider writes 1,474 Medicare Part D claims per year.
What drugs does NELLY AOUN, MD prescribe most often?
Based on 2023 Medicare Part D data, NELLY AOUN, MD's most frequently prescribed drugs include Prednisone, Abiraterone Acetate, Eliquis. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does NELLY AOUN, MD accept Medicare?
NELLY AOUN, MD appears in CMS Medicare data with 584 Part D claims and 146 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify NELLY AOUN, MD's credentials?
NELLY AOUN, MD's NPI is 1285889675 with credentials MD. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.

Data Sources

Provider Directory
CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
Specialty Classification
NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
Prescribing Data
CMS Medicare Part D Prescriber Public Use File (2023). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
Limitations
Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.

See our complete data methodology for details on how we collect and process government data.

Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).

Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology