2026 NPPES data Physician Assistant NPI 1639724834
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HANNA COX

Physician Assistant in BENTONVILLE, 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
525
Medicare Part D claims · 222 beneficiaries · Physician Assistant avg: 790
Generic prescribing
97%
generic claims · 3% brand-name · higher generic rates reduce patient out-of-pocket costs
MIPS score
100/100
▲ 17 pts above national avg 83.1 · [object Object]
Industry payments
$1.1K
51 payments · CMS Open Payments (Sunshine Act)
What the federal data reveals: HANNA COX is a Physician Assistant ([object Object]) practicing in BENTONVILLE, Arkansas with a Medicare Part D prescribing footprint of 525 claims across 222 beneficiaries — 3% brand-name prescribing . Their CMS MIPS Final Score of 100/100 (national average: 83.1) reflects performance across Quality, Cost, Interoperability, and Improvement Activities . Industry payments of $1.1K across 51 transactions are disclosed under CMS Open Payments (Sunshine Act).

What stands out: HANNA COX reported a CMS MIPS final score of 100 out of 100, above the 83.1 national average, and filed 525 Medicare Part D claims in 2023. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

HANNA COX at a glance

High performer (top quartile)

NPI registry status

Active

Issued 08/05/2019

NPI 1639724834

Primary specialty

Physician Assistant

High-volume

149,975 US NPIs in this specialty

Medicare Part D claims

525 34% vs specialty avg

2023 prescription claims

Specialty avg: 790

MIPS final score

100/100 16.900000000000006% pts

Exceptional band

vs 83.1 national avg

Specialty distribution in Arkansas

How Physician Assistant compares to other specialties among Arkansas providers

Arkansas providers

Physician Assistant share within Arkansas

1. Physician Assistant42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Physician Assistant share within Arkansas

Medicare quality performance — MIPS

HANNA COX's 2023 MIPS final score plotted against the Physician Assistant national average

High performer (top quartile)
MIPS Final Score
100/100
vs 83.1 national avg · 2023 performance year

MIPS final score (Physician Assistant) — 100/100 vs national avg 83.1

0%100%National avg83%99%
MIPS final score (Physician Assistant) — 100/100 vs national avg 83.1

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).

HANNA COX is a Physician Assistant provider practicing in BENTONVILLE, Arkansas, according to the CMS National Plan and Provider Enumeration System (NPPES). NPI: 1639724834. 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.

HANNA COX appears in the CMS NPPES registry as a Physician Assistant provider at 901 SE PLAZA AVE, BENTONVILLE, AR, 72712, with a listed phone of (479) 876-8550. NPI 1639724834 was issued on 08/05/2019. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what COX 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 525 prescription claims written by this provider, covering 222 Medicare beneficiaries and totaling roughly $57K in drug spend, split 3% brand-name and 97% 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. On the CMS Merit-based Incentive Payment System, this provider earned a Final Score of 100/100 for the 2023 performance year, compared with the national average of 83.1.

Physician Assistant is a high-volume specialty nationwide, with 149,975 enrolled providers across 56 states and an average of 790 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

901 SE PLAZA AVE
BENTONVILLE, AR 72712

Provider Details

NPI 1639724834
Specialty Physician Assistant
Gender Female
NPI Issued 08/05/2019

CMS Quality Score (MIPS)

Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.

100
Final Score
Avg: 83.1
100
Promoting Interoperability

Reporting: Group practice

Hospital and facility affiliations

Facilities where HANNA COX 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.

TRUE DERMATOLOGY PLLC
BENTONVILLE, 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 HANNA COX. Source: openpaymentsdata.cms.gov.

Total received

$1.1K

Largest payer

Lilly USA, LLC

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 · Generic-heavy

HANNA COX — brand share 3.0%
Specialty average (est.)

3% brand-name claims vs 97% generic, on 525 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.

525
Total Claims
$57K
Total Drug Cost
222
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
595
Total Day Supply
14,042
Brand vs Generic
3% brand / 97% generic
Brand Drug Cost
$44K
Generic Drug Cost
$13K
Antibiotic Claims
41

Patient Demographics

Average Patient Age
72.6 years
Avg HCC Risk Score
1.15
Gender Split
58% female / 42% male
Age Distribution
<65: 24, 65-74: 99, 75-84: 80, 85+: 19

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Ketoconazole
136
Triamcinolone Acetonide
100
Hydrocortisone
39
Mupirocin
33
Clindamycin Phosphate
30
Doxycycline Hyclate
29
Clobetasol Propionate
25
Ciclopirox
21

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

Physician Assistant Overview

How HANNA COX fits within the Physician Assistant landscape nationally.

149,975
Physician Assistant Providers in US
56
States with Physician Assistant
790
Avg Claims per Provider

HANNA COX's 525 claims are below the specialty average of 790.

Nearby Physician Assistant Providers in Arkansas

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

Compare Physician Assistant nationally: see state-by-state distribution →

Frequently Asked Questions

What is HANNA COX's specialty?
HANNA COX specializes in Physician Assistant and practices in BENTONVILLE, Arkansas.
How much does HANNA COX prescribe under Medicare Part D?
In 2023, HANNA COX wrote 525 Medicare Part D claims totaling $57K in drug costs for 222 beneficiaries.
What is HANNA COX's Medicare quality score?
HANNA COX has a CMS MIPS Final Score of 100/100. The national average MIPS Final Score is 83.1. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is HANNA COX located?
HANNA COX is located at 901 SE PLAZA AVE, BENTONVILLE, AR, 72712. Phone: (479) 876-8550.
What is HANNA COX's NPI number?
HANNA COX's National Provider Identifier (NPI) is 1639724834, issued on 08/05/2019.
Does HANNA COX prescribe more brand-name or generic drugs?
HANNA COX's prescribing is 3% brand-name and 97% generic drugs by claim count, with $44K in brand drug costs.
How many Physician Assistant providers are there in the US?
There are 149,975 Physician Assistant providers across 56 states in the US. The average Physician Assistant provider writes 790 Medicare Part D claims per year.
What drugs does HANNA COX prescribe most often?
Based on 2023 Medicare Part D data, HANNA COX's most frequently prescribed drugs include Ketoconazole, Triamcinolone Acetonide, Hydrocortisone. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does HANNA COX accept Medicare?
HANNA COX appears in CMS Medicare data with 525 Part D claims and 222 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify HANNA COX's credentials?
HANNA COX's NPI is 1639724834. 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.
Quality Performance
CMS Merit-based Incentive Payment System (MIPS) — 2023 performance year.
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