Schertz Office Physicians

Nicolas N. Guerra, M.D.

Nicolas N. Guerra, M.D.

PhysicianSchertz Office Physicians

NPI #: 1285864066

Dr. Guerra is a Board Certified Pediatrician and joined our practice in 2009. Dr. Guerra received his Undergraduate Degree, Summa Cum laude, from the University of Texas Pan American.  He received his Doctorate of Medicine and completed his pediatric training at Baylor College of Medicine in Houston.

Dr. Guerra is married and has three young sons.  He spends his free time exploring the outdoors with his family and watching movies together.


Susannah L Simone, M.D.

Susannah L Simone, M.D.

PhysicianSchertz Office Physicians

NPI #: 1942293600

Dr. Simone is a Board Certified Pediatrician and joined our practice in 2010. Dr. Simone received her Medical Degree from the University of South Florida and completed her post-graduate pediatric training at Wilford Hall Medical Center in San Antonio.  Her pediatric experience includes working at Randolph Air Force base, where she the Pediatric Medical Director and Deputy Chief of Staff. 

Dr. Simone is married and has two school aged children.  She enjoys hiking with her family and playing the clarinet. 


Michelle A. Wheeler CPNP

Michelle A. Wheeler CPNP

Certified Pediatric Nurse PractitionerSchertz Office Physicians

Michelle is a Certified Pediatric Nurse Practitioner (CPNP) and works four days a week.   She received her Bachelors and Master's Degrees in Pediatric Nursing from the University of Arkansas for Medical Science.  She earned a Neonatal Nurse Practitioner Certification from Georgetown University.  Michelle was employed in private practice for six years prior to joining ABCD Pediatrics in 2007. 

Michelle is married to a high school band director and has an elementary aged son.  She enjoys traveling with her family and participating in local Schertz-Cibolo events.

 


David Diaz de Leon, Jr., M.D.

David Diaz de Leon, Jr., M.D.

PhysicianSchertz Office Physicians

NPI #: 1588812283

Dr. Diaz de Leon is a Board Certified Pediatrician and joined ABCD Pediatrics in August 2015. Dr. Diaz de Leon received his Undergraduate Degree from St. Edwards University and his Medical Degree from University of Texas Health Science Center-Houston. He completed his Pediatric Internship and Residency at University Health Science Center Memorial Hermann Hospital in Houston. Dr. Diaz de Leon has previously worked for Baylor College of Medicine at the Children's Hospital of San Antonio as well as Methodist Children's Hospital, both in San Antonio. 

Dr. Diaz de Leon is married with three children. 


J. Gabriel Rosado, M.D.

J. Gabriel Rosado, M.D.

PhysicianSchertz Office Physicians

NPI #: 1467839282

Dr. Rosado is a Board-Eligible pediatrician who will be joining ABCD Pediatrics in the summer of 2018. Dr. Rosado graduated Cum Laude from St. Mary’s University in San Antonio and completed a Master of Science in Medical Sciences at the University of North Texas Health Science Center in Fort Worth. He then obtained his Doctorate of Medicine at the University of Texas Medical Branch in Galveston and will complete his post-graduate pediatric training at Phoenix Children’s Hospital/Maricopa Medical Center Pediatric Residency Program in June 2018.

He is married to an occupational therapist and in his free time enjoys attending sporting events and music festivals with family and friends. He is fluent in Spanish and is excited to return to San Antonio to begin his life-long passion of becoming a pediatrician. 


Lauren E. Sadovsky, D.O.

Lauren E. Sadovsky, D.O.

PhysicianSchertz Office Physicians

Bio coming soon! 


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