William Wilcox, MD
Internal Medicine Physician · North Little Rock, AR
William Wilcox, MD is an internal medicine physician with a practice address in North Little Rock, Arkansas, and NPI 1770046310, issued on Apr 10, 2019. Check the license (Arkansas E-15430, as entered in NPPES) on the Arkansas State Medical Board; the Medicare figures below come from public CMS files.
- Name
- William Wilcox
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- E-15430 AR
Self-reported in NPPES; status is on the state search - Practice location
- 3333 Springhill Dr, North Little Rock, AR 72117
- Phone
- (501) 202-3802
- Enumerated
- Apr 10, 2019
- Record last updated
- Jun 29, 2022
- Medicare enrollment
- Enrolled (PECOS I20220811000527); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 768 in Arkansas → Look up another NPI →
Also registered at 3333 Springhill Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Wilcox in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArkansas State Medical Board
Search for license E-15430Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average internal medicine physician in 2024
264 Medicare Part D claims for 89 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium32 claims
- Jardiance13 claims
- Metoprolol Tartrate12 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.
Bills Medicare through one group practice
- Arkansas Health GroupNorth Little Rock, AR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Wilcox among 768 internal medicine physician records in Arkansas
William Wilcox, MD is one of 768 internal medicine physician records with a practice address in Arkansas. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 76% of them.
- NPI issued2019 · 76% of these records are older, 19% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2018 · median 2010 among the 519 with a school on file
- Record last updated2022 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
35 internal medicine physician records list a practice address in North Little Rock
They are 35 of the 2,298 NPPES records with a practice address in North Little Rock, and 768 internal medicine physician records in Arkansas.
All 768 in Arkansas → Every provider in North Little Rock → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Shirisha Ale, MBBSNorth Little Rock, AR 721171124509997
- Emily AskewNorth Little Rock, AR 721171134680317
- Lauren Ewing, MDNorth Little Rock, AR 721171548792989
- Gerry Ezell, MDNorth Little Rock, AR 721171497769772
- Jack Fendley, M.D.North Little Rock, AR 721171821074592
- Gregory Henson, M.D.North Little Rock, AR 721171437135191
- Syed Hammad Kazmi, MDNorth Little Rock, AR 721171225582117
- Alfred Keller, MDNorth Little Rock, AR 721171982920799
Common questions
What is William Wilcox, MD's NPI number?
William Wilcox, MD's National Provider Identifier (NPI) is 1770046310, issued on Apr 10, 2019. An NPI identifies a provider in billing; it is not a license.
Where is William Wilcox, MD located?
The NPPES record lists a practice address at 3333 Springhill Dr, North Little Rock, AR, 72117. Phone: (501) 202-3802. Providers update this record themselves, so call before visiting.
How can I verify William Wilcox, MD's license?
NPPES lists Arkansas license number E-15430, as entered by the provider. Search the Arkansas State Medical Board at https://armedicalboard.adh.arkansas.gov/public/verify/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Wilcox, MD prescribe under Medicare Part D?
In 2024, William Wilcox, MD had 264 Medicare Part D claims for 89 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.