Osvaldo Anez, MD, F.A.C.S, F.I.C.S

Dr. Anez has been doing Bariatric and General Surgery for 30 years. In 2006 Dr. Anez was recognized as one of America’s Top Surgeons for General, Laparoscopic & Bariatric Surgery. Dr. Anez received his medical degree from the National University of La Plata, Argentina. He received his general surgical training at the Washington Hospital Center in Washington D.C.It was there that he developed a passionate interest in obesity surgery while working with his mentors. He is certified by the American Board of Surgery, and is a member of the ASMBS, and a fellow of the ACS, & the ICS.

Language Spoken:

  • English
  • Spanish
  • Tagalog

Leonidas Anez, CFO

Rafael Canadas, MD, Surgical Assistant

Jackie Leung, Front Desk Coordinator

Jackie has been working in the medical field for over 15 years, working as administrative assistant, Front desk coordinator, back office assistant, etc. She has been the medical front desk coordinator for Obesity Surgery Center for over 2 years, always greeting patients greatfully and making them feel at ease during their office visits. She also helps Dr. Anez with the back office duties. Her passion and firm belief in Physical Fitness for good health has guided her to become an avid dancer of latin rhythms such as: as Salsa, Bachata, Merengue, Chacha, Kizomba, and Zouk as well as Zumba. She is a dance performer for 2 Bachata World Dance Teams locally and internationally, and is a salsa dance instructor as her way to promote physical fitness and good health through dancing.

“A Valuable Asset to our Practice"

Mary Warner, RD, LDN Registered Dietitian

Mary Warner, R.D., L.D.N., is a registered dietitian who recently relocated to Northern Virginia from Greenville, North Carolina. Mary has 8 years of experience as a registered dietitian and is a member of the American Dietetic Association. Mary graduated Summa Cum Laude with a Bachelor of Science degree in Nutrition and Dietetics and also completed her dietetic internship program at East Carolina University. Mary has worked in a long term care facility for 3.5 years as a clinical dietitian and has spent the last 5 years enjoying out-patient nutritional counseling at Physicians East, P.A. Mary has worked with teenagers, adults, and geriatric patients, who need assistance with weight management, bariatric surgery, diabetes, gestational diabetes, GI disorders, elevated cholesterol, high blood pressure, heart disease, etc.

“Her knowledge and dedication will ensure your success."