Hillary A. Williams

  • Little Rock, AR
  • Neurologist
NPI1740676360PAC ID4385950716
Medicare services, 2024
688
Medicare patients, 2024
365
Part D claims, 2024
2,524
Hospital affiliations
1
Industry payments
$186
Practice address
4301 West Markham Street Mail Slot 612, Little Rock, AR 72205
Practice phone
Call (501) 686-5000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

UAMS Medical Center

Hospital · Little Rock, Arkansas

See all 5 affiliations

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Hillary A. Williams is a neurologist in Little Rock, Arkansas

Hillary Williams practices at UAMS Medical Center in Little Rock, Arkansas, part of University of Arkansas for Medical Sciences.

Hillary Williams' NPI, 1740676360, was assigned on April 9, 2015. Hillary Williams graduated from University of Arkansas College of Medicine in 2015. Hillary Williams holds Arkansas license E-14438.

NPI and contact details
Medicare PAC ID
4385950716
NPI enumeration date
April 9, 2015
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(501) 686-5000
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
37
Medical school graduation
2015

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Hillary A. Williams practices at UAMS Medical Center in Little Rock, Arkansas

Hillary Williams' primary practice is UAMS Medical Center, at 4301 West Markham Street Mail Slot 612, Little Rock, AR 72205 in Pulaski County. The practice phone is (501) 686-5000.

  • UAMS Medical Center
    4301 West Markham Street Mail Slot 612, Little Rock, AR 72205 · Pulaski CountyPhone(501) 686-5000

Source: Dmand AI Affiliation Data

Hillary A. Williams is affiliated with 3 sites of care and 2 medical groups

Hillary Williams' primary practice is UAMS Medical Center in Little Rock, Arkansas, part of University of Arkansas for Medical Sciences. The medical group on file is UAMS - University of Arkansas for Medical Sciences. Dmand AI also links Hillary Williams to 2 more group practices and clinics and 1 medical group, each named with a free account.

See all 5 affiliations for Hillary Williams

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Hillary A. Williams' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Hillary Williams practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
UAMS Medical CenterAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Hillary A. Williams is one of 92 neurologists in Arkansas

Neurology is Hillary Williams' primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Hillary Williams is licensed in Arkansas.

Specialties and state licenses

  • Neurology, ArkansasPrimaryLicense E-14438 · taxonomy 2084N0400X

Neurologists near Hillary Williams

Counts of neurologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Hillary A. Williams billed Medicare for 688 services in 2024

CMS data shows 688 Medicare services from Hillary Williams across 9 procedure codes in 2024, for 365 Medicare patients. Medicare paid $49,854 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024688
Medicare patients365
Paid by Medicare$49,854
Procedure codes9

Hillary Williams' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 5552024: 48812%
Surgery
2023: 1902024: 1729%
Tests and treatments
2023: 212024: 2833%

Hillary Williams compared with the Arkansas median for neurologists, 2024

  • Hillary Williams
  • Arkansas median
Medicare services
688vs 42363% above
Medicare patients
365vs 27632% above
Part D claims
2,347vs 4695.0 times

Medians across 95 neurologists in Arkansas with Dmand AI profiles that report each measure.

Hillary Williams' most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Hillary Williams

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Hillary A. Williams treated 365 Medicare patients in 2024, average age 73

CMS counts 365 Medicare patients who saw Hillary Williams in 2024. The largest group is 75 to 84, with 158 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.54, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Hillary Williams' median patient age at 70, with 56% women.

Medicare patients, 2024365
Average age73
Average risk score1.54
Also on Medicaid10%

Hillary Williams' Medicare patients by age, 2024

Hillary Williams' Medicare patients by sex, 2024

  • Women17748%
  • Men18852%

Chronic conditions among Hillary Williams' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Parkinson's disease56%
  4. Arthritis53%
  5. Mood disorders46%
  6. Depression44%
  7. Anxiety41%
  8. Ischemic heart disease31%

Share of Medicare patients with each condition. A patient can have several.

Hillary Williams' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women56%
  • Men44%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Hillary A. Williams wrote 2,524 Medicare Part D claims in 2024

In 2024, Hillary Williams wrote 2,524 Medicare Part D claims for 370 patients. 83% of them were for generic drugs. CMS names the drug for 2,347 of them, across 42 drugs with 11 or more claims each, at $2,064,404 in total drug cost. In 2023, CMS named 2,188 claims across 37 drugs.

Part D claims, 20242,524
Drugs named by CMS42
Total drug cost$2.1M
Part D patients370

Hillary Williams' Part D claims by kind of drug, 2024

  • Generic2,094 claims83%
  • Brand-name430 claims17%

Hillary Williams' most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Hillary Williams' Part D claims, 2024

  • Opioids1%16 of 2,524 claims
  • Antipsychotics, patients 65 and over3%81 of 2,524 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2,1882024: 2,3477%

Drugs named by CMS: 42 in 2024, 37 in 2023.

See all prescribing by Hillary Williams

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Hillary A. Williams offers telehealth to Medicare patients

Hillary Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Hillary Williams as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Hillary A. Williams received $186 in industry payments from 2022 to 2025

CMS Open Payments shows 3 general payments to Hillary Williams from 2 drug and device companies from 2022 to 2025. Education make up the largest share, 60% of the total. Teva Pharmaceuticals USA, Inc. paid the most, $130.

General payments to Hillary Williams by program year, 2022 to 2025

General payments to Hillary Williams by kind, 2022 to 2025

$186in total
  • Education$11160%
  • Food and beverage$7540%

Companies that paid Hillary Williams the most, 2022 to 2025

Share is of all general payments to this clinician.

See all payments to Hillary Williams

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Hillary A. Williams graduated from University of Arkansas College of Medicine

Hillary Williams graduated from University of Arkansas College of Medicine in 2015.

  1. Medical schoolUniversity of Arkansas College of Medicine

Source: Dmand AI Professional Profile Data

Sources for Hillary A. Williams's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Hillary A. Williams

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Hillary A. Williams' NPI number?

Hillary A. Williams' NPI number is 1740676360. It was assigned on April 9, 2015, and it is active in the NPI Registry.

What does Hillary A. Williams specialize in?

Hillary A. Williams is a neurologist in Little Rock, Arkansas. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).

Where does Hillary A. Williams practice?

Hillary Williams practices at 4301 West Markham Street Mail Slot 612, Little Rock, AR 72205. Hillary Williams' primary practice is UAMS Medical Center in Little Rock, Arkansas, part of University of Arkansas for Medical Sciences. Dmand AI also links Hillary Williams to 2 group practices and clinics and 1 medical group.

What is Hillary A. Williams' office phone number?

The practice phone on file for Hillary Williams is (501) 686-5000.

What is Hillary A. Williams' medical license number?

Hillary Williams holds Arkansas license E-14438.

Which hospitals is Hillary A. Williams affiliated with?

Hillary Williams practices at UAMS Medical Center in Little Rock, Arkansas.

What medical group is Hillary A. Williams part of?

Hillary Williams is linked to UAMS - University of Arkansas for Medical Sciences. Dmand AI links Hillary Williams to 1 more medical group.

Does Hillary A. Williams accept Medicare?

Yes. CMS data shows Hillary Williams billed Medicare for 688 services in 2024, and Hillary Williams accepts Medicare assignment.

Does Hillary A. Williams offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Hillary Williams as offering telehealth services.

How many Medicare patients does Hillary A. Williams see?

CMS counts 365 Medicare patients who saw Hillary Williams in 2024, with an average age of 73.

Show 5 more questionsShow fewer questions

What services does Hillary A. Williams bill to Medicare?

In 2024, Hillary Williams' most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and surgery: brain, spine and nerves (64616).

Where did Hillary A. Williams go to medical school?

Hillary Williams graduated from University of Arkansas College of Medicine in 2015.

What drugs does Hillary A. Williams prescribe most?

In 2024 Medicare Part D data, Hillary Williams' most prescribed drugs by claims were Carbidopa-Levodopa, Clonazepam and Carbidopa-Levodopa ER.

Has Hillary A. Williams received payments from drug or device companies?

CMS Open Payments shows $186 in general payments to Hillary Williams from 2 companies from 2022 to 2025. The largest total came from Teva Pharmaceuticals USA, Inc.

How long has Hillary A. Williams been practicing?

Hillary Williams graduated from medical school in 2015, 11 years ago.

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