Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. John Colleran, DO

Individual provider Specialist · NPI 1265494231

Dr. John Colleran, DO is a Cardiovascular Disease (Cardiology) in North Little Rock, Arkansas. Qualified in 1986, 40 years ago. Practices with St Vincent Infirmary Medical Center, a 46-clinician group and accepts Medicare assignment. Licensed in Arkansas and Florida.

Years since qualifying
40
Licensed in
AR, FL
In the registry since
2006
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

4000 Richards Rd Ste A
North Little Rock, AR 72117-2650
Phone: (501) 758-5133
Fax: (501) 758-5173
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Interventional Cardiology Physician (primary) Taxonomy 207RI0011X · Licence E-5551 (AR)
Specialist Taxonomy 174400000X · Licence OS7028 (FL)

Record details

NPI number1265494231
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 5, 2006
Last updated in NPPESJanuary 4, 2011

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolOTHER
Graduated 1986 (40 years in practice)
Group practice St Vincent Infirmary Medical Center — 46 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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