Dr. Ranjit John, MD

Dr. John practices at Mercy Hospital in Coon Rapids, Minnesota, part of Sutter Health.

Dr. John's NPI, 1720183171, was assigned on September 13, 2006. Dr. John graduated from Christian Medical College Vellore in 1989. Dr. John holds Minnesota license 46212.

Dr. John's primary practice is Mercy Hospital, at 4050 Coon Rapids Blvd, Coon Rapids, MN 55433 in Anoka County. The practice phone is (762) 236-6000.

Dr. John's primary practice is Mercy Hospital in Coon Rapids, Minnesota, part of Sutter Health. Dr. John is also affiliated with M Health Fairview University of Minnesota Medical Center. The medical group on file is M Health Fairview Recovery Clinic. Dmand AI also links Dr. John to 4 more hospitals, 9 medical groups and 8 group practices and clinics, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. John practices, 14 sites in all. Vendor and product names are available with a free account.

Surgery is Dr. John's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. John is board certified in thoracic and cardiac surgery by the American Board of Thoracic Surgery. Dmand AI has Dr. John's licenses on file in 3 states: Minnesota, Michigan and New York.

Dmand AI lists heart bypass surgery and heart valve surgery among the conditions Dr. John treats.

CMS data shows 48 Medicare services from Dr. John across 3 procedure codes in 2024, for 87 Medicare patients. Medicare paid $23,189 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 87 Medicare patients who saw Dr. John in 2026. The largest group is 65 to 74, with 39 patients. 75% of them have heart failure, and 75% have high blood pressure. 21% are also on Medicaid. Their average risk score is 2.65, 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. John's median patient age at 70, with 23% women.

Dr. John accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. John as offering telehealth. CMS counts 20 procedures of coronary artery bypass graft (cabg) by Dr. John, more than 68% of the clinicians it reports for that procedure.

Dmand AI links 170 papers to Dr. John, published from 2005 to 2024. 2020 was the busiest year, with 9. The most frequent topics are Heart-Assist Devices, Heart Failure and Heart Transplantation. Dr. John has published most often in J Heart Lung Transplant. Dr. John's most frequent co-authors are Rebecca Jane Cogswell, MD, Andrew John Boyle, MD and Andrew W. Shaffer, MD.

Dmand AI links Dr. John to 3 clinical trials. Conditions studied include Heart Failure, Heart Failure, Systolic and Heart Diseases.

CMS Open Payments shows 153 general payments to Dr. John from 13 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 49% of the total. Abbott Laboratories paid the most, $19,569. It also lists 9 research payments totaling $1,475 from 2017 to 2020.

Dmand AI lists 3 awards for Dr. John, most recently Regional Top Doctor in 2014.

Dr. John graduated from Christian Medical College Vellore in 1989. Dr. John is a member of AATS, ACC, ACS, AHA and International Society of Heart and Lung Transplantation.

Dr. John is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Medica. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.