
Ilene Fennoy MD MPH (She/Her)
Pediatric Bone Metabolism Disorders, Pediatric Obesity
Professor, Pediatrics, Columbia University Medical Center
3959 BroadwayNew York, NY 10032
Fax+1 212-305-4778
Overview of Dr. Fennoy
Dr. Ilene Fennoy is a Pediatric Endocrinologist based in New York, NY, with subspecialties in Pediatric Bone Metabolism Disorders and Pediatric Obesity. She completed her medical education at the University of California San Francisco School of Medicine in 1973 and her pediatrics residency at Montefiore Medical Center/Albert Einstein College of Medicine. She has been serving as a professor at ColumbiaDoctors since 2003. Her clinical expertise includes Klinefelter syndrome, insulin resistance, and childhood obesity. Dr. Fennoy has an active research profile with multiple publications in leading journals such as Endocrine Practice, Pediatric Research, and The Lancet. Diabetes & Endocrinology. She has also been recognized as one of America's Top Doctors and a Super Doctor, among other accolades. Her clinical work includes trials on reducing obesity and diabetes, and exploring treatments for morbid obesity in adolescents.
Education & Training
Montefiore Medical Center/Albert Einstein College of MedicineResidency, Pediatrics, 1973 - 1975
University of California San Francisco School of MedicineClass of 1973
Certifications & Licensure
NY State Medical License 1974 - 2028
CA State Medical License 1982 - 2027
MD State Medical License 1977 - 2008
American Board of Pediatrics Pediatrics
American Board of Pediatrics Pediatric Endocrinology
American Board of Obesity Medicine Obesity Medicine- American Board of Physician Nutrition SpecialistCertified Physician Nutrition Specialist
- International Society for Clinical DensitometryCertified Clinical Densitometrist
Awards, Honors, & Recognition
- Outstanding Leadership Endocrine Society, 2025
- America's Top Doctors Castle Connolly, 2014
- Top Doctors: New York Metro Area Castle Connolly, 2002-2014
Clinical Trials
- Reduce Obesity and Diabetes
- LAGB as a Treatment for Morbid Obesity in Adolescents Start of enrollment: 2005 Sep 13
Publications & Presentations
PubMed
- Trimester of maternal SARS-CoV-2 infection differentially predicts newborn size in the COVID-19 Mother Baby Outcomes (COMBO) cohort.Margaret H Kyle, Presley Nichols, Lerzan Coskun, William Fifer, Amara Finch
Pediatric Research. 2026-01-01 - 2 citationsUnderstanding the Decline of Pediatric Endocrinology Workforce and the Path Forward.Charles A Gagnon-Vargas, Ilene Fennoy, Alicia M Diaz Thomas, Ambika P Ashraf
Endocrine Practice. 2025-12-01 - Diffusion tensor imaging shows increased physis organization after growth hormone initiation in hypophosphatasia.Jacqueline M Dragon, Laura Santos, Ilene Fennoy, Sachin R Jambawalikar, Diego Jaramillo
Skeletal Radiology. 2025-06-01
Journal Articles
- Long-Term Follow-up of Gonadal Dysfunction in Morbidly Obese Adolescent Boys After Bariatric SurgerySharon E Oberfield, Marisa Censani, Rushika Conroy, Jeffrey Zitsman, Donald J McMahon, Shulamit Lerner, Ilene Fennoy, De Gruyter
Press Mentions
Challenges of Severe Childhood Obesity Continue to Stymie PhysiciansMay 24th, 2016
Pediatric Endocrinologist: Treatment of Severe Childhood Obesity Must Be AddressedMay 23rd, 2016- New Drugs Can Cure Adolescent Obesity, but Young People Can’t Do ItDecember 13th, 2023
Committees
- Member, Minority Affairs Committee, Endocrine Society 2013 - Present
- Member, Committe on Obesity, Pediatric Endocrine Society 2006 - Present
Professional Memberships
- Fellow
- Member
- Pediatric Endocrine SocietyMember
- The Obesity SocietyMember
- International Society for Clinical DensitometryMember
Insurance Accepted
- Aetna Choice POS II
Aetna HMO
BCBS Blue Card PPO
CIGNA HMO
CIGNA Open Access
CIGNA PPO
Empire BCBS HMO
Empire BCBS PPO
Great West PPO
Healthfirst New YorkHIP of New York - Select PPO
Humana ChoiceCare Network PPO
Multiplan PHCS PPO
Multiplan PPO
MVP Healthcare PPO
Oxford Health Freedom
Oxford Health Liberty
United Healthcare - Direct Choice Plus POS
United Healthcare - Direct Options PPO
WEA Trust Preferred Provider Plan - Trust Pref - Please verify your coverage with the provider's office directly when scheduling an appointment
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