Kari N. Williamson, NP
Family Nurse Practitioner · Little Rock, AR
Kari N. Williamson, NP is a family nurse practitioner with a practice address in Little Rock, Arkansas, and NPI 1639787880, issued on Jul 14, 2020. Check the license (Arkansas 125708, as entered in NPPES) with the Arkansas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kari N. Williamson
- Credential
- NP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 125708 AR
Self-reported in NPPES; status is on the state search - Practice location
- 4301 W Markham St # 776, Little Rock, AR 72205
- Phone
- (501) 686-8000
- Enumerated
- Jul 14, 2020
- Record last updated
- Mar 7, 2024
- Fax
- (501) 526-5148
- Medicare enrollment
- Enrolled (PECOS I20200804000469); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 2,737 in Arkansas → Look up another NPI →
Also registered at 4301 W Markham St # 776
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kari N. Williamson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arkansas board licenses this profession
Search for license 125708Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average family nurse practitioner in 2024
341 Medicare Part D claims for 183 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Albuterol Sulfate Hfa30 claims
- Acyclovir27 claims
- Dexamethasone27 claims
- Doxycycline Hyclate19 claims
- Lenalidomide18 claims
- Fluticasone Propionate14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $284.81
5 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- University OF Arkansas For Medical SciencesLittle Rock, AR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kari N. Williamson among 2,737 family nurse practitioner records in Arkansas
Kari N. Williamson, NP is one of 2,737 family nurse practitioner records with a practice address in Arkansas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 59% of them.
- NPI issued2020 · 59% of these records are older, 34% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2020 · median 2018 among the 1,836 with a school on file
- Record last updated2024 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
389 family nurse practitioner records list a practice address in Little Rock
They are 389 of the 13,172 NPPES records with a practice address in Little Rock, and 2,737 family nurse practitioner records in Arkansas.
All 2,737 in Arkansas → Every provider in Little Rock → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Sherry Black, APNLittle Rock, AR 722051518057082
- Andrea Breedlove, FNPLittle Rock, AR 722051982687471
- Janice Dean, APNLittle Rock, AR 722051437243490
- Leonie Declerk, APNLittle Rock, AR 722051447356969
- Andrea Easom, APNLittle Rock, AR 722051720178205
- Anthony EcholsLittle Rock, AR 722051992765457
- Susan Freeman, MSN, APNLittle Rock, AR 722051164524294
- Cathy McLain, APNLittle Rock, AR 722051427069616
Common questions
What is Kari N. Williamson, NP's NPI number?
Kari N. Williamson, NP's National Provider Identifier (NPI) is 1639787880, issued on Jul 14, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Kari N. Williamson, NP located?
The NPPES record lists a practice address at 4301 W Markham St # 776, Little Rock, AR, 72205. Phone: (501) 686-8000. Providers update this record themselves, so call before visiting.
How can I verify Kari N. Williamson, NP's license?
NPPES lists Arkansas license number 125708, as entered by the provider. Search the Arkansas board that licenses this profession; the NPPES record confirms identity only.
How much does Kari N. Williamson, NP prescribe under Medicare Part D?
In 2024, Kari N. Williamson, NP had 341 Medicare Part D claims for 183 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.