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About Us

Providing you with the
best doctors for the best care

Foxhall Pediatrics was founded in 1978 by Dr. Fernando Leyva and Dr. Guillermo Balfour.  In November 2018, Dr. Amy Sweeney and Dr. Marcella Daniel became owners of the practice continuing the legacy of comprehensive and compassionate patient care. Our physicians and staff are here to help care for your children’s illnesses, but also to celebrate their milestones and accomplishments.

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Amy Sweeney, MD, FAAP

Dr. Sweeney has a special interest in infant care and development, as well as school and learning problems.   

She attended medical school State University of New York at Buffalo and completed her residency at Georgetown University, where she served as chief resident.  Following her training, she remained in the DC area and joined Foxhall Pediatrics in 2003.  

Currently, Dr. Sweeney precepts medical students from Georgetown University. She is affiliated with Medstar Georgetown University and Sibley Memorial Hospitals.  

In her free time, she enjoys ski trips with her family both locally and abroad.

Days in the office:
Monday, Wednesday, Thursday, Friday


English, Russian

Marcella Daniel, MD, FAAP

A DC native, Dr. Daniel has a special interest in community medicine.


She completed medical school at Duke University and residency training at East Carolina University before returning to the area in 2011.

She precepts Georgetown University Medical Students.  She is affiliated with Medstar Georgetown University and Sibley Memorial Hospitals.

Outside of the office, she tries to keep up with music, toys and media that are popular with the patients.

Days in the office:
Monday, Tuesday, Wednesday, Friday


English, Spanish (proficient)


Sherene Agama, MD

Dr. Agama graduated from medical school at the University of Virginia and completed her pediatrics residency and chief year at MedStar Georgetown University Hospital before joining Foxhall Pediatrics in 2023. 

She has been an intern with the National Institutes of Health (NIH) as well as the World Health Organization (WHO).  

Dr. Agama is originally from Maryland and in her free time enjoys exploring monuments/museums as well as the diverse food scene in the area with family and friends. 

Days in the office:
Monday, Tuesday, Thursday, Friday




Dr. Sweeney is thorough and appropriately conservative, but also practical.  She is warm and genuinely gets to know each child.  She is available in off-hours for urgent matters.  Good affiliations for referrals.


—, 2015

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