https://www.optum.com/en/care/providers/ca/frederic-james-leong-md-1598876070.html
Frederic James Leong, MD - Pediatric Cardiology & Pediatric Registered Nurse | Optum
Frederic James Leong, MD specializes in Pediatric Cardiology and Pediatric Registered Nurse and sees patients in Thousand Oaks, CA.
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https://www.yalemedicine.org/specialists/james-passarelli
James Frederic Passarelli | Specialists | Yale Medicine
James Passarelli, MD, is a general surgeon who specializes in gall bladder, hernia, and colon and rectal surgeries. He cares for adults of all ages, and is...
jamesfredericpassarellispecialistsyale