Dr. Robert FerryMD, FAAP

Endocrinology

at Endo4Life, PLLC — San Antonio, TX

About

Robert Ferry, MD, FAAP has practiced pediatric endocrinology for over 25 years. He holds board certifications in pediatrics, pediatric endocrinology, and disaster medicine. S. medical schools. He earned the rank of tenured full professor and division chief. He also served as medical director for pediatric endocrine services at major children's hospitals.

Dr. Ferry has co-authored 140 articles and book chapters. He edited "Management of Pediatric Obesity and Diabetes," a reference work that has generated over 29,000 chapter downloads since 2011. He holds membership in the American Academy of Pediatrics, the Endocrine Society, the Texas Medical Association, and the Pediatric Endocrine Society. He treats patients from newborns through age 26, managing conditions including Type 1 and Type 2 diabetes, thyroid disorders, growth hormone deficiency, congenital adrenal hyperplasia, and panhypopituitarism. Dr. Ferry coordinates with hospitalists and specialists when his patients need additional care. He takes his job seriously, but not himself, and he never Photoshops his photographs, so he really does wear thick glasses.

Education & Training

Additional Training

Over 16 years on faculty of major U.S. medical schools; tenured full professor and division chief; medical director for pediatric endocrine services at major children's hospitals

Certifications

Board Certified in Pediatrics
Board Certified in Pediatric Endocrinology
Board Certified in Disaster Medicine

Conditions Treated

Type 1 diabetes
Type 2 diabetes
Pediatric overweight
Pediatric obesity
Hypoglycemia
Short stature
Congenital hypothyroidism
Acquired hypothyroidism
Hyperthyroidism
Thyroid nodules
Congenital adrenal hyperplasia
Premature adrenarche
Growth hormone deficiency
Diabetes insipidus
Panhypopituitarism

Who is Dr. Ferry right for?

Dr. Ferry is a strong fit for families of children and young adults managing complex endocrine conditions. Patients from newborns through age 26 fall within his scope of care. He works especially well with families navigating a new diabetes diagnosis, whether Type 1 or Type 2. Parents seeking responsive, direct access to a specialist, rather than waiting days for answers, benefit from his practice model. Patients managing thyroid disorders, short stature, growth hormone deficiency, adrenal conditions, or hypoglycemia also fit well within his clinical focus.

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Frequently Asked Questions

Dr. Ferry treats a wide range of pediatric endocrine conditions. His clinical focus includes Type 1 and Type 2 diabetes, hypoglycemia, congenital and acquired hypothyroidism, hyperthyroidism, thyroid nodules, growth hormone deficiency, short stature, congenital adrenal hyperplasia, premature adrenarche, diabetes insipidus, panhypopituitarism, and pediatric obesity and weight management.

Yes. Dr. Ferry holds board certifications in pediatrics, pediatric endocrinology, and disaster medicine. He has practiced pediatric endocrinology for over 25 years.

S. medical schools. He attained the rank of tenured full professor and division chief. He also served as medical director for pediatric endocrine services at major children's hospitals.

Yes. Dr. Ferry has co-authored 140 articles and book chapters. He edited "Management of Pediatric Obesity and Diabetes," which has accumulated over 29,000 chapter downloads since 2011.

Dr. Ferry holds membership in the American Academy of Pediatrics, the Endocrine Society, the Texas Medical Association, and the Pediatric Endocrine Society.

Dr. Ferry sees patients from newborns through age 26. His practice covers infants, children, adolescents, and young adults with pediatric endocrine conditions.

Dr. Ferry provides 24/7 direct access via phone, text, email, and video chat. Members can reach him after hours by text. He responds promptly, allowing families to avoid unnecessary office visits for straightforward questions.

Yes. Dr. Ferry coordinates with hospitalists and specialists when his patients need additional care. He works alongside each patient's primary care team to manage and integrate endocrine care without replacing the primary care relationship.

Endo4Life provides practice documents in both English and Spanish. Families should contact the practice directly to discuss language needs for clinical visits.

Doctor profile last updated April 10, 2026