--- title: "Ranjan Ray, M.D., Ph.D. | Sutter Health" url: "https://www.sutterhealth.org/research/investigators/ranjan-ray-md-phd-1078064881" --- 1. [Home](https://www.sutterhealth.org/) / 2. [Research](https://www.sutterhealth.org/research) / 3. [Investigators](https://www.sutterhealth.org/research/investigators) / 4. Ranjan Ray, M.D., Ph.D. ![Ranjan Ray, M.D., Ph.D.](https://dyn.mktgcdn.com/p/Ey0gco9_9VeIaUg6M6QQh1nw9lmj5xxmblE2BH3kV-A/fit=crop,gravity=auto,dpr=2,width=240,height=240) # Ranjan Ray, M.D., Ph.D. Investigator [View profile](https://www.sutterhealth.org/find-provider/dr-ranjan-ray-1046244689) Dr. Ranjan Ray, MD, PhD, is a cardiologist specializing in advanced heart failure and heart transplantation. He currently practices at Palo Alto Medical Foundation and has held academic appointments at Stanford University School of Medicine. Dr. Ray completed his medical degree and earned a PhD in tumor biology at Georgetown University. He further trained at Beth Israel Deaconess Medical Center and completed fellowships in cardiovascular medicine and advanced heart failure and transplant cardiology at Stanford University. Dr. Ray has extensive clinical trial experience as a sub-investigator on multiple multicenter studies focused on heart failure therapies and cardiac outcomes. His research contributions include peer-reviewed publications in leading journals such as __Cancer Research__ and __ASAIO__ . In addition to his clinical and research work, he has served in leadership roles within heart failure and transplant programs and participated in institutional committees supporting quality and medical education. ## Clinical trials - Clinical trial ### [Heart Failure COMET-HF](https://www.sutterhealth.org/research/clinical-trials/heart-failure-comet-hf-2015330118) A Multi-Center, Double-Blind, Randomized, Placebo-Controlled Trial to Assess Efficacy and Safety of Omecamtiv Mecarbil in Patients With Symptomatic Heart Failure With Severely Reduced Ejection Fraction (COMET-HF) **Status:** Open to Enrollment - Clinical trial ### [Heart Failure With Preserved Ejection Fraction (HFpEF) ELEVATE](https://www.sutterhealth.org/research/clinical-trials/heart-failure-with-preserved-ejection-fraction-hfpef-elevate-2057372116) Randomized Trial of ELEVATEd Cardiac Pacing Rate for Personalized Treatment of Heart Failure With Preserved Ejection Fraction (ELEVATE-HFpEF) **Status:** Open to Enrollment ```json {"@context":"https://schema.org","@type":"MedicalOrganization","name":"Sutter Health","@id":"https://www.sutterhealth.org/#medicalorganization","url":"https://www.sutterhealth.org","logo":"https://www.sutterhealth.org/static/images/sutter-health-logo.svg","address":{"@type":"PostalAddress","streetAddress":"2200 River Plaza Drive","addressLocality":"Sacramento","addressRegion":"CA","postalCode":"95833","addressCountry":"US"},"areaServed":{"@type":"AdministrativeArea","name":"California"},"sameAs":["https://www.facebook.com/SutterHealth","https://www.instagram.com/sutterhealth/","https://x.com/SutterHealth","https://www.youtube.com/sutterhealth","https://www.linkedin.com/company/sutter-health","https://en.wikipedia.org/wiki/Sutter_Health"]} ``` ```json {"@context":"https://schema.org","@type":"BreadcrumbList","@id":"https://www.sutterhealth.org/research/investigators/ranjan-ray-md-phd-1078064881#breadcrumblist","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://www.sutterhealth.org/"},{"@type":"ListItem","position":2,"name":"Research","item":"https://www.sutterhealth.org/research"},{"@type":"ListItem","position":3,"name":"Investigators","item":"https://www.sutterhealth.org/research/investigators"},{"@type":"ListItem","position":4,"name":"Ranjan Ray, M.D., Ph.D."}]} ``` ```json {"@context":"https://schema.org","@type":"ProfilePage","@id":"https://www.sutterhealth.org/research/investigators/ranjan-ray-md-phd-1078064881#profilepage","url":"https://www.sutterhealth.org/research/investigators/ranjan-ray-md-phd-1078064881","name":"Ranjan Ray, M.D., Ph.D.","dateModified":"2026-06-09","breadcrumb":{"@id":"https://www.sutterhealth.org/research/investigators/ranjan-ray-md-phd-1078064881#breadcrumblist"},"primaryImageOfPage":{"@type":"ImageObject","contentUrl":"https://a.mktgcdn.com/p/Ey0gco9_9VeIaUg6M6QQh1nw9lmj5xxmblE2BH3kV-A/460x460.webp","width":460,"height":460},"mainEntity":{"@id":"https://www.sutterhealth.org/research/investigators/ranjan-ray-md-phd-1078064881"}} ``` ```json {"@context":"https://schema.org","@type":"Person","@id":"https://www.sutterhealth.org/research/investigators/ranjan-ray-md-phd-1078064881","name":"Ranjan Ray, M.D., Ph.D.","givenName":"Ranjan","familyName":"Ray","honorificSuffix":"M.D., Ph.D.","description":"Dr. Ranjan Ray, MD, PhD, is a cardiologist specializing in advanced heart failure and heart transplantation. 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