Stephen Aguilar, MD
Internal Medicine Physician · Little Rock, AR
Stephen Aguilar, MD is an internal medicine physician with a practice address in Little Rock, Arkansas, and NPI 1528758414, issued on May 12, 2023. Check the license (Arkansas E-20633, as entered in NPPES) on the Arkansas State Medical Board; the Medicare figures below come from public CMS files.
- Name
- Stephen Aguilar
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- E-20633 AR
Self-reported in NPPES; status is on the state search - Practice location
- 4301 W Markham St # 832, Little Rock, AR 72205
- Phone
- (501) 686-8000
- Enumerated
- May 12, 2023
- Entity
- Type 1 · individual
Also registered at 4301 W Markham St # 832
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Stephen Aguilar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArkansas State Medical Board
Search for license E-20633Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
34 Medicare Part D claims for 16 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of 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.
287 internal medicine physician records list a Little Rock practice address
They are 287 of the 13,172 NPPES records with a Little Rock practice address, and 874 internal medicine physician records in Arkansas.
All 287 in Little Rock → All 874 in Arkansas → Every provider in Little Rock →
Other internal medicine physician records in Arkansas
- Sherry AbaderLittle Rock, AR1215515002
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- Lee Abel, M.D.Little Rock, AR1558399980
- Ahmed Abuabdou, M.D.Little Rock, AR1245547702
- Yuba Acharya, M.D.Hot Springs, AR1376716290
- Audie Aderholt, M.D.Little Rock, AR1366861601
- Salma Ahi, MDLittle Rock, AR1467339333
- Ragda Ahmed, MDBatesville, AR1609571405
- Olivia Ahrendsen, MDNorth Little Rock, AR1700373818
- Refayat Ahsen, MDJonesboro, AR1003435108
Common questions
What is Stephen Aguilar, MD's NPI number?
Stephen Aguilar, MD's National Provider Identifier (NPI) is 1528758414, issued on May 12, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Aguilar, MD located?
The NPPES record lists a practice address at 4301 W Markham St # 832, Little Rock, AR, 72205. Phone: (501) 686-8000. Providers update this record themselves, so call before visiting.
How can I verify Stephen Aguilar, MD's license?
NPPES lists Arkansas license number E-20633, 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 Stephen Aguilar, MD prescribe under Medicare Part D?
In 2024, Stephen Aguilar, MD had 34 Medicare Part D claims for 16 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.