Timothy McCowan, MD
Vascular & Interventional Radiology Physician · Little Rock, AR
Timothy McCowan, MD is a vascular & interventional radiology physician with a practice address in Little Rock, Arkansas, and NPI 1689765554, issued on Sep 27, 2006. Check the license (Arkansas C-5990, as entered in NPPES) on the Arkansas State Medical Board; the Medicare figures below come from public CMS files.
- Name
- Timothy McCowan
- Credential
- MD
- Primary taxonomy
- Vascular & Interventional Radiology Physician 2085R0204X
- License numbers
- C-5990 AR
19869 MS
Self-reported in NPPES; status is on the state search - Practice location
- 4301 W Markham St # 783, Little Rock, AR 72205
- Phone
- (501) 686-8000
- Enumerated
- Sep 27, 2006
- Record last updated
- Mar 12, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicaid ID
- 110087001 AR
- Entity
- Type 1 · individual
8 nearest vascular & interventional radiology physician records → All 43 in Arkansas → Look up another NPI →
Also registered at 4301 W Markham St # 783
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Timothy McCowan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArkansas State Medical Board
Search for license C-5990Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 69.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Timothy McCowan among 43 vascular & interventional radiology physician records in Arkansas
Timothy McCowan, MD is one of 43 vascular & interventional radiology physician records with a practice address in Arkansas. 98% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 56% newer
- In a Medicare fileYes · 98% of these records are
- In the CMS Doctors and Clinicians fileNo · 91% of these records are
- Record last updated2014 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0204X and a Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Vascular & Interventional Radiology Physician providers in Arkansas
There are 43 vascular & interventional radiology physician records in Arkansas.
All 43 in Arkansas → Every provider in Little Rock → Vascular & Interventional Radiology Physician nationwide →
The 8 vascular & interventional radiology physician records with the nearest ZIP codes
- Edward Angtuaco, M.D.Little Rock, AR 722051679527642
- Michael Beheshti, M.D.Little Rock, AR 722051780638536
- John Burda, M.D.Little Rock, AR 722051922060268
- Charles Burke, M.D.Little Rock, AR 722051194779991
- William Culp, MDLittle Rock, AR 722051215028188
- Douglas Elliott, M.D.Little Rock, AR 722051073558318
- Whitney Goodwin, MDLittle Rock, AR 722051013030782
- David Hays, M.D.Little Rock, AR 722051801849690
Common questions
What is Timothy McCowan, MD's NPI number?
Timothy McCowan, MD's National Provider Identifier (NPI) is 1689765554, issued on Sep 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Timothy McCowan, MD located?
The NPPES record lists a practice address at 4301 W Markham St # 783, Little Rock, AR, 72205. Phone: (501) 686-8000. Providers update this record themselves, so call before visiting.
How can I verify Timothy McCowan, MD's license?
NPPES lists Arkansas license number C-5990, 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.
What is Timothy McCowan, MD's MIPS final score?
The 2023 MIPS final score is 69.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.