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Our Faculty


Heather Phipps, DO, MBA

Heather PhippsOrthopedic Surgeon with Benton Franklin Orthopedic Associates

Program Title: Designated Institutional Official, Trios Health Graduate Medical Education Program

Dr. Phipps received her DO degree from Ohio University College of Osteopathic Medicine in Athens, Ohio. Her internship was completed at Doctor's Hospital in Columbus, Ohio, and her residency training was completed at the University of Medicine and Dentistry New Jersey in Stratford, New Jersey. Dr. Phipps is board certified in orthopedic surgery. Dr. Phipps received her MBA degree from Washington State University in Pullman, Washington.

Dr. Phipps served for four years as Chief of Surgery at Kennewick General Hospital (now called Trios Health). She served for seven years on the board of the Benton-Franklin County Medical Society and acted on behalf of the society as a delegate to the Washington State Medical Association House of Delegates. Dr. Phipps currently serves as the Vice Chair of the Board of Trustees for the Pacific Northwest University of Health Sciences. She also serves on the governing board for the Washington Osteopathic Medical Association.

Dr. Phipps has been active in precepting medical students and residents at her Benton Franklin Orthopedic Associates office in Kennewick, Washington. In her free time, Dr. Phipps enjoys hiking, skiing, photography, reading, and visiting national Parks. 

Sheila Dunlop, DO

Sheila DunlopFamily Medicine Physician with Trios Medical Group

Program Title: Program Director for Trios Health Family Medicine Residency

Dr. Dunlop earned her medical degree from the University of Health Sciences College of Osteopathic Medicine in Kansas City, Missouri. Her post-graduate training was completed at Suburban General Hospital in Norristown, Pennsylvania. After completing her residency, Dr. Dunlop worked in private practice from 1985 until 2015. 

Dr. Dunlop has served as the Program Director for the Trios Health Family Medicine Residency Program since 2013 and a Regional Dean for Pacific Northwest University of Health Sciences since 2009.

Dr. Dunlop is a member of multiple professional medical societies including the American Osteopathic Association, American Osteopathic Association of Family Practitioners, Washington Osteopathic Medical Association, Benton-Franklin County Medical Society, and Sigma Sigma Phi. Dr. Dunlop is well known for her involvement in and dedication to medical education.

Vamsi Kanneganti, MD

Nephrology Physician with Trios Medical Group

Program Title: Program Director for Trios Health Internal Medicine Residency  

Dr. Kanneganti earned his medical degree at the Deccan College of Medical Science in Hyderabad, India. He subsequently moved to the United States to complete his residency and an internship at Mercy Hospital and Medical Center in Chicago, Illinois at Chicago. He then completed his fellowship training in nephrology at Loyola University Medical Center in Maywood, Illinois. 

Dr. Kanneganti moved to the Tri-Cities in Washington in 2013 when he joined Trios Medical Group as a nephrologist. In February 2017, he was appointed Program Director for the Internal Medicine Residency at Trios Health.

Dr. Kanneganti is board certified in internal medicine and nephrology, and is a certified hypertension specialist and interventional nephrologist by the American Society of Diagnostic and Interventional Nephrology (ADIN). He holds memberships with the American Osteopathic Association (AOA), American College of Physicians (ACP), American Society of Nephrology (ASN), American Society of Diagnostic and Interventional Nephrology (ASDIN), and the American College of Osteopathic Internists (ACOI). His interests include vascular access in end stage renal disease and graduate medical education.

Core Faculty—Family Medicine

Maria Ello, MD

Medical School: University of the Philippines
Residency: Wyckoff Heights Medical Center
Specialty: Family Medicine 

Core Faculty—Internal Medicine

Charanya Krishnan, MD

Medical School: Kasturba Medical College, Manipal University, India
Residency: Richmond University Medical Center - Affiliate of Mt. Sinai Health Network, New York
Specialty: Critical Care Medicine, Intensivist

Salil R. Rajayer, MD

Medical School: Kasturba Medical College, Manipal University, India
Residency: Woodhull Medical Center, New York University School of Medicine, New York
Specialty: Hospital Medicine

Ernest Kanu, MD

Medical School: University of Jos, Nigeria
Residency: New York Medical College - Sound Shore Medical Center, New Rochelle, New York
Specialty: Hospital Medicine

Tegpal Atwal, MD

Medical School: Davanand Medical College, Ludhiana, India
Residency: Virginia Commonwealth University, Richmond, Virginia
Fellowship: Mayo Clinic, Rochester, Minnesota
Specialty: Gastroenterology

Muthulakshmi Ramesh, MD

Medical School: Madras Medical College, Chennai, India
Residency: Prince George's Hospital Center, Cheverly, Maryland
Specialty: Hospital Medicine