Providers

Dr. Mammen completed her undergraduate education at Villanova University. She then earned her medical degree in 2001 from Medical College of Pennsylvania/Hahnemann School of Medicine in Philadelphia. After medical school, she attended the University of Connecticut for her pediatric residency. Dr. Mammen worked in Connecticut for 3 years before moving to Texas in 2007. Her medical interests include breastfeeding, ADHD, and asthma.

Dr. Mammen lives in Katy with her husband Sandeep, a local dentist, and they have three children. Outside of work, she enjoys reading, traveling, hiking, and working out.

Dr. Silvey completed her undergraduate degree from Texas A&M University and medical degree from Texas A&M College of Medicine. She completed her residency at UT Houston in the Houston Medical Center and previously worked in Sugar Land prior to moving to Westside Pediatrics. Her medical interests include nutrition, development, ADHD, and allergies. She is also certified in integrative medicine, a form of holistic medicine that focuses on the complete physical, mental, social, and spiritual aspects of a patient.

Dr. Silvey lives in Spring Branch with her husband Phillip and their baby cat, Rajah. In her free time, she enjoys traveling, going to music festivals, cooking, exercising, and watching and attending football games.

Dr. Stacey Gallas earned her medical degree at Baylor College of Medicine in Houston. She completed her internship at The University of Colorado and her residency at Baylor College of Medicine. Her medical interests include: nutrition, development, allergies, asthma, and dermatology. She enjoys spending her free time with her husband and children, cooking, and working out.

Dr. Agnes Kisch earned her medical degree in 1982 at the Medical School of Debrecen in Hungary and completed her residency in Pediatrics at The University of Texas Health Science Center at Houston (UTHealth). Her medical interests include allergic conditions, asthma, nutrition, development, and healthy living.

Happily married with two adult sons, Dr. Kisch enjoys cultural events and outdoor activities in her spare time.