John ColleranD.O.
Cardiology·North Little Rock, AR
John Colleran, D.O. is a Cardiology provider in North Little Rock, AR, as of July 2026.
- NPI1265494231
- Registered2006
- Class of1986
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
John Colleran at a glance
- Provider
- John Colleran
- Credential
- D.O.
- Specialty
- Cardiovascular Disease (Cardiology)
- Procedures
- Cardiology CPT codes
- Location
- North Little Rock, AR
- Medical school graduation
- 1986
- NPI registered
- 2006
- NPI
- 1265494231
- Snapshot
- July 2026
Identity, specialty, and affiliations change over time. This is not an endorsement, and not clinical, billing, or legal advice. Providers may request corrections at founders@datalilyai.com. Read the DataLily AI data methodology.
Questions
Where does John Colleran practice?
John Colleran, D.O. is based in North Little Rock, AR. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is John Colleran's NPI number?
John Colleran's National Provider Identifier (NPI) is 1265494231, registered in 2006. Specialty on record: Cardiovascular Disease (Cardiology); credential D.O.
How many Cardiology providers in Arkansas work at ambulatory surgery centers?
57 Cardiology surgeons and proceduralists in Arkansas are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, John Colleran among them. The Arkansas Cardiology directory lists each one by city with credential, NPI, and center affiliations.
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