Primary practice
Heart Clinic Arkansas - Kanis - HOPD
Acute Care Hospital outpatient department · Little Rock, Arkansas
Find Dr. Colleran's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Colleran practices at Heart Clinic Arkansas - Kanis - HOPD in Little Rock, Arkansas.
Dr. Colleran's NPI, 1265494231, was assigned on April 5, 2006. Dr. Colleran graduated from Oklahoma State University College Of Osteopathic Medicine in 1986. Dr. Colleran holds Arkansas license E-5551.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Colleran's primary practice is Heart Clinic Arkansas - Kanis - HOPD, at 10100 Kanis Road, Little Rock, AR 72205.
Source: Dmand AI Affiliation Data
Dr. Colleran's primary practice is Heart Clinic Arkansas - Kanis - HOPD in Little Rock, Arkansas. Dr. Colleran is also affiliated with CHI St. Vincent Infirmary. The medical group on file is Baptist Health Family Clinic-Greers Ferry. Dmand AI also links Dr. Colleran to 2 more hospitals, 1 group practice or clinic and 1 medical group, each named with a free account. Dr. Colleran's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Colleran practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Heart Clinic Arkansas - Kanis - HOPD | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Interventional cardiology is Dr. Colleran's primary specialty in the NPI Registry, under taxonomy code 207RI0011X. Dr. Colleran is board certified in 2007 - 2026 by the AR State License. Dmand AI has Dr. Colleran's licenses on file in 2 states: Arkansas and Florida.
Dmand AI lists aneurysm, angioplasty, atrial fibrillation and flutter, cardiac arrhythmia, cardiac catheterization, cardiomyopathy, chronic embolism thrombosis and chronic hypertension among the conditions Dr. Colleran treats.
Counts of interventional cardiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
CMS data shows 2,394 Medicare services from Dr. Colleran across 19 procedure codes in 2024, for 627 Medicare patients. Medicare paid $106,012 for them.
Medians across 77 interventional cardiologists in Arkansas with Dmand AI profiles that report each measure.
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Colleran?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Colleran and other interventional cardiologists in Arkansas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
CMS counts 627 Medicare patients who saw Dr. Colleran in 2024. The largest group is 75 to 84, with 255 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.56, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Colleran's median patient age at 74, with 52% women.
Share of Medicare patients with each condition. A patient can have several.
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Median age 74
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
In 2024, Dr. Colleran wrote 2,760 Medicare Part D claims for 373 patients. 87% of them were for generic drugs. CMS names the drug for 2,533 of them, across 36 drugs with 11 or more claims each, at $327,266 in total drug cost. In 2023, CMS named 2,757 claims across 42 drugs.
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drugs named by CMS: 36 in 2024, 42 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Colleran accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 14 procedures of coronary angioplasty and stenting by Dr. Colleran, more than 37% of the clinicians it reports for that procedure.
CMS ranks each clinician against every clinician it reports for the same procedure category.
Leg revascularization (restoring blood flow): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dmand AI links Dr. Colleran to 1 clinical trial. Conditions studied include Peripheral Arterial Disease and Peripheral Vascular Diseases.
Conditions in Dr. Colleran's trials
Sources: ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
CMS Open Payments shows 636 general payments to Dr. Colleran from 47 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Novartis Pharmaceuticals Corporation paid the most, $2,478.
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dmand AI lists 2 awards for Dr. Colleran, most recently CMS Stage 1 2012 in 2012.
Source: Dmand AI Professional Profile Data
Dr. Colleran graduated from Oklahoma State University College Of Osteopathic Medicine in 1986. Dr. Colleran is a member of ACC.
Source: Dmand AI Professional Profile Data
Dr. Colleran is in network with 19 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Cigna. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
Source: Dmand AI Insurance Network Data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Clinical trials and co-investigators | ClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
Dr. John Colleran's NPI number is 1265494231. It was assigned on April 5, 2006, and it is active in the NPI Registry.
Dr. John Colleran is an interventional cardiologist in Little Rock, Arkansas. The primary specialty in the NPI Registry is Interventional Cardiology Physician (taxonomy code 207RI0011X).
Dr. Colleran practices at 10100 Kanis Road, Little Rock, AR 72205. Dr. Colleran's primary practice is Heart Clinic Arkansas - Kanis - HOPD in Little Rock, Arkansas. Dmand AI also links Dr. Colleran to 2 hospitals, 1 group practice or clinic and 1 medical group.
Dr. Colleran holds Arkansas license E-5551, one of the licenses on file in 2 states.
Dmand AI has state licenses on file for Dr. Colleran in Arkansas and Florida.
Dr. Colleran is affiliated with CHI St. Vincent Infirmary. Dmand AI links Dr. Colleran to 2 more hospitals.
Dr. Colleran is linked to Baptist Health Family Clinic-Greers Ferry. Dmand AI links Dr. Colleran to 1 more medical group.
Yes. CMS data shows Dr. Colleran billed Medicare for 2,394 services in 2024, and Dr. Colleran accepts Medicare assignment.
CMS counts 627 Medicare patients who saw Dr. Colleran in 2024, with an average age of 76.
Yes. Dr. Colleran is board certified in 2007 - 2026 by the AR State License.
In 2024, Dr. Colleran's most billed Medicare services were office visit, established patient (99214), heart test or procedure (93010) and hospital inpatient care (99232).
Dr. Colleran graduated from Oklahoma State University College Of Osteopathic Medicine in 1986.
In 2024 Medicare Part D data, Dr. Colleran's most prescribed drugs by claims were Metoprolol Succinate, Atorvastatin Calcium and Clopidogrel.
CMS Open Payments shows $12,479 in general payments to Dr. Colleran from 47 companies from 2016 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.
Dr. Colleran graduated from medical school in 1986, 40 years ago.
Dr. Colleran has worked on 1 clinical trial.
Dr. Colleran is in network with 19 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Cigna. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
Selling to interventional cardiology practices?
See interventional cardiologists in Arkansas by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.