Mercy Clinic Welcomes New Doctors in the St. Louis Area

February 14, 2014


Mercy Clinic added new physicians in January.

ST. LOUIS - Mercy Clinic, the multi-specialty physician group affiliated with Mercy Hospital and Mercy Children’s Hospital, recently added new doctors.

Ronald M. Cossman, MD, cardiothoracic surgeon, joined Mercy Clinic Cardiovascular and Thoracic Surgery, 625 S. New Ballas Rd., in Creve Coeur. He earned his medical degree from the University of Michigan Medical School in Ann Arbor, Mich., completed a general surgery residency at the University of Texas Health Center in San Antonio, Tex., and a cardiothoracic surgery residency at the University of Tennessee in Memphis, Tenn.

Jesse B. Groh, MD, pediatrician, joined Mercy Clinic St. Charles County Pediatrics and will care for patients at its two locations, in St. Peters and Wentzville. He has been with Mercy Children’s Hospital serving as a hospitalist caring for kids in the hospital for more than two years. He earned his medical degree from the Baylor College of Medicine in Houston, Tex., and completed a pediatric residency at Texas Children’s Hospital in Houston, Tex.

Urooj Mansoor, MD, nocturnist, joined Mercy Clinic Adult Hospitalists and will care for hospitalized patients throughout the night at Mercy Hospital St. Louis. She earned her medical degree from Sindh Medical College in Karachi, Pakistan and completed an internal medicine residency at Resurrection Westlake Hospital in Melrose Park, Ill.

Cora E. Orphe-Harris, MD, pediatric emergency physician, joined Mercy Clinic Pediatric Emergency Medicine and will care for kids in the emergency department at Mercy Children’s Hospital. She earned her medical degree from Louisiana State University Medical School in Shreveport, La., and completed a pediatric residency at St. Louis Children’s Hospital in St. Louis, Mo.

Maria Pavlou, MD, geriatrician, joined Mercy Clinic Geriatrics, 621 S. New Ballas Road, Ste. 6017B, in Creve Coeur. She earned her medical degree from Columbia University College of Physicians and Surgeons in New York, N.Y., completed an internal medicine residency at New York Presbyterian Hospital in New York, where she also completed a geriatric medicine fellowship.

Rodney Thorley, MD, physiatrist, joined Mercy Clinic Physical Medicine and Rehabilitation, 14561 North Outer Forty in Chesterfield. He earned his medical degree from Saint Louis University School of Medicine in St. Louis, Mo., and completed a physical medicine and rehabilitation residency at the Medical College of Wisconsin in Milwaukee, Wis.

Chakradhar Venkata Krishna Venkata, MD, critical care physician, joined Mercy Clinic Critical Care and will care for intensive care unit patients at Mercy Hospital St. Louis and also across Mercy through Mercy SafeWatch eICU. Dr. Venkata earned his medical degree from the Ghandi Medical College and Hospital in Hyderabad, India. He completed an internal medicine residency at the Creighton University Medical Center in Omaha, Neb., and a critical care fellowship at Mayo Clinic in Rochester, Minn.

Mercy is the sixth largest Catholic health care system in the U.S. and serves more than 3 million people annually. Mercy includes 33 acute care hospitals, four heart hospitals, two children’s hospitals, two rehab hospitals and one orthopedic hospital, nearly 700 clinic and outpatient facilities, 40,000 co-workers and more than 2,100 Mercy Clinic physicians in Arkansas, Kansas, Missouri and Oklahoma. Mercy also has outreach ministries in Louisiana, Mississippi and Texas. 

In Mercy’s east Missouri region, Mercy’s services include a 979-bed hospital in St. Louis, 187-bed hospital in Washington, 251-bed hospital in Crystal City and Mercy Clinic, a 590-member multispecialty physician organization.  For more about Mercy, visit

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