Joseph Castelli

M.D.

Dr. Castelli received his undergraduate degree with honors from Rhodes College in Memphis, Tennessee. He then completed medical school and was elected to Alpha Omega Alpha honor society in 1997 at the University of Tennessee. After finishing residency at Vanderbilt University Medical Center in 2001, Dr. Casteli practiced in Tennessee for eight years before joining Associates in Women's Health Care in 2009. He has been board certified since 2003 and is a Fellow of the American College of Obstetrics and Gynecology.

Outside the office, Dr. Castelli enjoys hiking, skiing, cooking, running, and spending time with his wife, Susan, and their two children, Maggie and Cate.

Kristin Kruse

M.D.

Dr. Kruse was raised in Colorado Springs, CO. She attended the University of Colorado, Boulder for undergraduate school. She attended Creighton University Medical School in Omaha, NE and completed her residency for OB/GYN at St. Francis hospital and Medical Center in Hartford, CT. After four years of practice at Camp Lejuene Naval Hospital in North Carolina she returned to Southern Colorado in 2001 and joined her current practice in Associates in Women's Health Care.

She enjoys the small city life of Pueblo and spends most of her free time with her husband and two daughters.

Megan Lenhart

M.D.

Born in La Junta, Colorado, Dr. Lenhart moved to Texas as a young child where she completed undergraduate work at Texas Tech University, and Medical School at University of Texas HSC at San Antonio. She then returned to Colorado to complete her residency training at University of Colorado in OB/GYN in 2008.

Dr. Lenhart and her husband moved to Pueblo in August of 2008 where she joined Associates in Women's Health Care. She actively pratices at both St. Mary Corwin and Parkview Hospitals and is involved with the residency program in Pueblo.

In her time away from medicine Dr. Lenhart enjoys hiking, baking and traveling with her husband and two children.

Fernando Mahmoud

M.D.

Dr. Mahmoud relocated to Pueblo CO from Chicago IL, where he recently completed a residency in obstetrics and gynecology at Mercy Hospital Medical Center.Dr. Mahmoud earned his medical degree from the University of Buenos Aires in Argentina. In 2003 he was granted a scholarship for a postgraduate training in reproductive medicine and biology at the School of Medicine of the University of Geneva in Switzerland.

Dr. Mahmoud is a Junior Fellow of the American College of Obstetrics and Gynecology, a member of the Society of Laparoendoscopic Surgeons and the Argentinean Society of Prenatal Diagnosis and Treatment. Dr. Mahmoud has been married for 12 years, has two children and enjoys outdoor activities.

Sara M. Tonsing

M.D.

Dr. Tonsing was born and raised in Ohio, where she graduated from the College of Wooster. She then followed in her father's and grandfather's steps by going into medicine. She attended Vanderbilt Medical School and then onto residency at University of Colorado Health Science Center. After working as faculty there for a year, she moved to Pueblo with her husband where they have raised three sons.

In her time outside the office, Dr. Tonsing enjoys cooking, reading, and playing with her dogs.

Stephen Wassinger

M.D.

Dr. Stephen Wassinger joined Associates in Women's Health Care in 1997. Prior to coming to Pueblo, Dr. Wassinger was in private practice for ten years in his hometown of Grand Island, Nebraska. He attended Creighton University for his undergraduate studies and completed his medical education at the University of Nebraska Medical Center. He received his training in Obstetrics and Gynecology at the University of Missouri at Kansas City.

Dr. Wassinger has a special interest in pelvic surgery and the treatment of incontinence. He also enjoys the practice of low and high risk Obstetrics. He is kept busy outside of work by spending time with his wife and three sons, and exploring all Colorado has to offer.

Joseph Castelli, M.D.

Kristin Kruse, M.D.

Megan Lenhart, M.D.

Fernando Mahmoud, MD

Sara M. Tonsing, M.D.

Stephen Wassinger, M.D.