2026 NPPES data Pediatric Clinical Nurse Specialist NPI 1326472002 FNP/APRN
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LAN NGUYEN, FNP/APRN

Pediatric Clinical Nurse Specialist in FORT SMITH, Arkansas. 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
4K
Medicare Part D claims · 537 beneficiaries · Pediatric Clinical Nurse Specialist avg: 530
Generic prescribing
53%
generic claims · 47% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$1.5K
78 payments · CMS Open Payments (Sunshine Act)

What the federal data shows

LAN NGUYEN, FNP/APRN filed 4,293 Medicare Part D claims in 2023 as a Pediatric Clinical Nurse Specialist in FORT SMITH, Arkansas, prescribing 53% generic.

4K
Part D claims, 2023
53%
generic prescribing
$1.5K
industry payments (Sunshine Act)

Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) — no proprietary rating or editorial opinion is applied.

LAN NGUYEN, FNP/APRN's Medicare Part D volume vs every U.S. prescriber

Total Medicare Part D claims, 2023 — across all CMS prescribers nationally

4,293 Top 8% higher than 92% of 1,370,886 prescribers

0–200: 670,926 prescribers (49%). Below this entry. 200–400: 182,923 prescribers (13%). Below this entry. 400–600: 90,619 prescribers (7%). Below this entry. 600–800: 56,224 prescribers (4%). Below this entry. 800–1,000: 40,919 prescribers (3%). Below this entry. 1,000–1,200: 31,827 prescribers (2%). Below this entry. 1,200–1,400: 26,224 prescribers (2%). Below this entry. 1,400–1,600: 21,710 prescribers (2%). Below this entry. 1,600–1,800: 19,072 prescribers (1%). Below this entry. 1,800–2,000: 16,451 prescribers (1%). Below this entry. 2,000–2,200: 213,991 prescribers (16%). This entry sits in this band. This provider 0 2K+ every Part D prescriber (claims/yr), bucketed by value

Each bar is a band; taller bars hold more prescribers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source CMS Medicare Part D Prescriber Public Use File · 2023

What does the federal data show about LAN NGUYEN, FNP/APRN?

Quality data not reported

NPI registry status

Active

Issued 08/29/2013

NPI 1326472002

Primary specialty

Pediatric Clinical Nurse Specialist

Rare

350 US NPIs in this specialty

Medicare Part D claims

4,293 710% vs specialty avg

2023 prescription claims

Specialty avg: 530

Specialty distribution in Arkansas

How Pediatric Clinical Nurse Specialist compares to other specialties among Arkansas providers

Arkansas providers

Pediatric Clinical Nurse Specialist share within Arkansas

1. Pediatric Clinical Nurse Specialist42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Pediatric Clinical Nurse Specialist share within Arkansas

Specialty board-certification context

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

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

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

0%100%78%
Est. board-certified rate (Pediatric Clinical Nurse 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).

LAN NGUYEN, FNP/APRN appears in the CMS NPPES registry as a Pediatric Clinical Nurse Specialist provider holding FNP/APRN credentials at 2713 S 74TH ST, FORT SMITH, AR, 72903, with a listed phone of (479) 314-4620. NPI 1326472002 was issued on 08/29/2013. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what NGUYEN 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 4,293 prescription claims written by this provider, covering 537 Medicare beneficiaries and totaling roughly $1.5 million in drug spend, split 47% brand-name and 53% generic by claim count. 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.

Pediatric Clinical Nurse Specialist is a narrow specialty nationwide, with 350 enrolled providers across 39 states and an average of 530 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

2713 S 74TH ST
FORT SMITH, AR 72903

Provider Details

NPI 1326472002
Specialty Pediatric Clinical Nurse Specialist
Credentials FNP/APRN
Gender Female
NPI Issued 08/29/2013

Hospital and facility affiliations

Facilities where LAN NGUYEN, FNP/APRN 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.

MERCY CLINIC FORT SMITH COMMUNITIES
FORT SMITH, AR
MERCY NORTHWEST ARKANSAS AMBULATORY SERVICES, LLC
SPRINGDALE, AR

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 LAN NGUYEN, FNP/APRN. Source: openpaymentsdata.cms.gov.

Total received

$1.5K

Largest payer

Mylan Specialty L.P.

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 · Above average

LAN NGUYEN, FNP/APRN — brand share 47.0%
Specialty average (est.)

47% brand-name claims vs 53% generic, on 4,293 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.

4,293
Total Claims
$1.5M
Total Drug Cost
537
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
6,012
Total Day Supply
163,957
Brand vs Generic
47% brand / 53% generic
Brand Drug Cost
$1.5M
Generic Drug Cost
$69K
Antibiotic Claims
364

Patient Demographics

Average Patient Age
70.0 years
Avg HCC Risk Score
2.14
Gender Split
66% female / 34% male
Age Distribution
<65: 131, 65-74: 214, 75-84: 155, 85+: 37

Top Prescribed Drugs (Medicare Part D)

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

What LAN NGUYEN, FNP/APRN prescribes most

Top Medicare Part D drugs by claim count, 2023

claims
Source CMS Medicare Part D Prescriber Public Use File As of 2023
Drug Claims
Trelegy Ellipta
Fluticasone/Umeclidin/Vilanter
470
Montelukast Sodium
458
Albuterol Sulfate Hfa
Albuterol Sulfate
395
Fluticasone Propionate
323
Prednisone
236
Symbicort
Budesonide/Formoterol Fumarate
202
Breo Ellipta
Fluticasone/Vilanterol
188
Levocetirizine Dihydrochloride
148
Azithromycin
145
Ipratropium Bromide
131

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

Pediatric Clinical Nurse Specialist Overview

How LAN NGUYEN, FNP/APRN fits within the Pediatric Clinical Nurse Specialist landscape nationally.

350
Pediatric Clinical Nurse Specialist Providers in US
39
States with Pediatric Clinical Nurse Specialist
530
Avg Claims per Provider

LAN NGUYEN, FNP/APRN's 4,293 claims are above the specialty average of 530.

Nearby Pediatric Clinical Nurse Specialist Providers in Arkansas

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

Compare Pediatric Clinical Nurse Specialist nationally: see state-by-state distribution →

Frequently Asked Questions

What is LAN NGUYEN, FNP/APRN's specialty?
LAN NGUYEN, FNP/APRN specializes in Pediatric Clinical Nurse Specialist and practices in FORT SMITH, Arkansas. Credentials: FNP/APRN.
How much does LAN NGUYEN, FNP/APRN prescribe under Medicare Part D?
In 2023, LAN NGUYEN, FNP/APRN wrote 4,293 Medicare Part D claims totaling $1.5M in drug costs for 537 beneficiaries.
Where is LAN NGUYEN, FNP/APRN located?
LAN NGUYEN, FNP/APRN is located at 2713 S 74TH ST, FORT SMITH, AR, 72903. Phone: (479) 314-4620.
What is LAN NGUYEN, FNP/APRN's NPI number?
LAN NGUYEN, FNP/APRN's National Provider Identifier (NPI) is 1326472002, issued on 08/29/2013.
Does LAN NGUYEN, FNP/APRN prescribe more brand-name or generic drugs?
LAN NGUYEN, FNP/APRN's prescribing is 47% brand-name and 53% generic drugs by claim count, with $1.5M in brand drug costs.
How many Pediatric Clinical Nurse Specialist providers are there in the US?
There are 350 Pediatric Clinical Nurse Specialist providers across 39 states in the US. The average Pediatric Clinical Nurse Specialist provider writes 530 Medicare Part D claims per year.
What drugs does LAN NGUYEN, FNP/APRN prescribe most often?
Based on 2023 Medicare Part D data, LAN NGUYEN, FNP/APRN's most frequently prescribed drugs include Trelegy Ellipta, Montelukast Sodium, Albuterol Sulfate Hfa. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does LAN NGUYEN, FNP/APRN accept Medicare?
LAN NGUYEN, FNP/APRN appears in CMS Medicare data with 4,293 Part D claims and 537 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify LAN NGUYEN, FNP/APRN's credentials?
LAN NGUYEN, FNP/APRN's NPI is 1326472002 with credentials FNP/APRN. 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