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Our Physicians


Debra Yeh, M.D.

Debra Yeh MD Pediatrician

Dr. Debra Yeh joined Foster City Pediatrics Medical Group in 1993 after finishing her residency at UCSF. Her special interests include dermatology, allergy and asthma, but what she enjoys the most is patiently guiding parents through the challenges of parenting in this 21st century and watching their babies grow up as healthy, well-adjusted young adults.

In her spare time, she enjoys working out, cooking, fine dining, wine-tasting, listening to music, watching Warriors basketball and Niner football, and spending time with her friends and two grown children.

Board Certified: American Board of Pediatrics
Affiliations: American Academy of Pediatrics

College: University of California, Berkeley
Medical School: University of Michigan
Internship: University of California, San Francisco
Residency: University of California, San Francisco


Subha Aahlad, M.D.

Sabha Aahland MD

Dr. Subha Aahlad joined Foster City Pediatrics Medical Group in 1994 after completing her residency at the Kaiser Permanenete Medical Center in San Francisco. Her professional interests include Neonatal Intensive Care, Travel Medicine, Asthma and General Pediatrics. She is currently the Chairperson of the Department of Pediatrics at Mills Peninsula Medical Center.  She serves on the board of the California chapter of the American Association of Pediatrics, is an active participant in hospital and medical group committees, and works with volunteer health care organizations such as the Samaritan House Medical Clinic.

Her other interests include cooking, yoga, ice-skating, swimming, listening to music, and spending time with her friends, daughter and husband.

Board Certified: American Board of Pediatrics
Affiliations: American Academy of Pediatrics

College: D. K. Women’s College, Nellore, India
Medical School: Sri Venkateswara Medical College, Tirupathi, India
Internship: Hahnemann University Medical Center, Philadelphia
Residency: Kaiser Permanente Medical Center, San Francisco


Christine Hung, M.D.

Christine Hung MD

An Ohio native, Dr. Christine Hung joined Foster City Pediatrics Medical Group in 2001, after completing her residency at Children’s Hospital Oakland. Her medical interests include preventive care, child development, and asthma. She enjoys caring for children of all ages, especially infants and toddlers. Dr. Hung takes pleasure in developing relationships with children and their families. She believes that the best way to care for a child is to care for the family as a whole.

As the mother of three children, Dr. Hung finds that her personal experiences are a valuable supplement to her medical training. In her spare time, she loves spending time with her family, traveling, and reading a good book.

Board Certified: American Board of Pediatrics
Affiliations: American Academy of Pediatrics

College: Stanford University
Medical School: Case Western Reserve University Medical School
Internship: Children’s Hospital Oakland
Residency: Children’s Hospital Oakland


Heather Maroney, M.D.

Dr. Heather Maroney joined Stanford Medicine Children’s Health Pediatrics – Foster City in October, 2022.  She was inspired to become a doctor by the kindness of her pediatricians growing up and her lifelong love for working with children. After graduating from the University of South Florida Morsani College of Medicine, she completed her residency at Children’s National Medical Center in Washington, D.C.  Dr. Maroney has a special focus on primary care and particularly enjoys working with newborns and adolescents.

When not caring for patients, she appreciates exploring the Bay Area, trying different cuisines, taking her child to the park, and playing piano.

Board Certified: American Board of Pediatrics

Affiliations: American Academy of Pediatrics

College: University of Florida,  Summa cum laude, Phi Beta Kappa

Medical School: University of South Florida Morsani College of Medicine

Internship: Children’s National Medical Center, Washington, D.C.

Residency: Children’s National Medical Center, Washington, D.C.