Mercy Clinic Adds Six Providers

October 8, 2012

(In order of appearance) Hospitalist Dr. Susheel Ramasahayam,
Hospitalist Dr. Srikanth Nallacheru,
Internal Medicine Dr. Andrea Miller,
Physician Assistant Laci Duguay,
Hand Surgeon Dr. Erin Campaigniac and

Family Medicine Advanced Nurse Practitioner Cheryl Ross have joined Mercy Clinic.

OKLAHOMA CITY – Six medical professionals, specializing in various clinical areas, have joined Mercy Clinic in the Oklahoma City metro.

Dr. Erin Campaigniac has joined Mercy Clinic Hand Surgery, as a hand surgeon. She will work alongside Dr. Kenneth Hieke, performing surgeries focused on hands and wrists. She comes to Oklahoma from the Boston, Mass. area and earned her medical degree from the State University of New York at Buffalo. She completed a unique hand surgery fellowship which combined orthopedic and plastic surgery, at the University of Massachusetts.

Laci Duguay, a board-certified physician assistant, has joined Mercy Clinic Primary Care in Bethany. She will see patients of all ages, practicing family medicine. Duguay earned her bachelor’s degree in nutrition from Oklahoma State University and her Master of Health Sciences from The University of Oklahoma Health Sciences Center.

Dr. Andrea Miller has joined Mercy Clinic Internal Medicine in Oklahoma City. She will focus on medical issues such as diabetes, hypertension, cancer, and obesity from young adulthood through late adulthood. She has a strong interest in community and preventive health. Miller earned her medical degree from the University of Missouri in Kansas City, and is completing her residency in internal medicine at The University of Oklahoma Health Sciences Center.

Dr. Susheel Ramasahayam, known by patients as “Dr. Rama,” has joined Mercy Hospital Oklahoma City as a hospitalist. He oversees the care of people who need to stay in the hospital, ensuring the various tests and treatments they receive work well together. He earned his bachelor’s in biochemistry from Portland State University in Portland, Ore., and his medical degree from the Ross University School of Medicine in Dominica, in the West Indies. He is board-certified in internal medicine.

Dr. Srikanth Nallacheru, who introduces himself as, “Dr. Nalla,” has also joined Mercy Hospital Oklahoma City as a hospitalist, overseeing the care of people who are admitted to the hospital to be sure the many moving parts of medical care all work together. He has four years experience as a hospitalist, and earned his bachelor’s degree in medicine and surgery from J.S.S. Medical College in Mysore, India. He earned a Master of Science in nutrition from Texas Woman’s University in Denton, Texas.

Cheryl Ross, family nurse practitioner, has joined Mercy Clinic Guthrie Division to work with Dr. Todd Kreihbiel, providing primary care in Guthrie on S. Division St. Ross has 17 years nursing experience and earned her master’s in nursing from The University of Oklahoma.

Mercy Clinic is a physician-governed group of more than 1,700 medical providers across Arkansas, Kansas, Missouri and Oklahoma. In Oklahoma, Mercy Clinic is 300 providers and 64 clinics statewide. With access to Mercy’s facilities, electronic health records, telemedicine and each other, Mercy Clinic providers can give their patients the best care available, regardless of the patient’s location. Patients of Mercy Clinic providers can connect to their own health records and health teams anywhere they connect to the Internet. For more information, visit

Mercy is the sixth largest Catholic health care system in the U.S. and serves more than 3 million people annually. Mercy includes 31 hospitals, 300 outpatient facilities, 38,000 co-workers and 1,700 integrated physicians in Arkansas, Kansas, Missouri and Oklahoma. Mercy also has outreach ministries in Louisiana, Mississippi and Texas. For more about Mercy, visit


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