Contact Us

Pediatric Cardiology Patient Appointments and Physician Referrals

To schedule an appointment for an outpatient evaluation, please call our clinic office:

For urgent matters during weekends or evenings:
call 911 or contact the Packard Hospital operator at 650-497-8000 and ask to page the pediatric cardiologist on call.

Academic office mailing address:
Division of Pediatric Cardiology
750 Welch Road, Suite 325
Palo Alto, CA 94304-5731
Telephone: 650-723-7913
Fax: 650-725-8343 

Fellowship Program Contacts

Lupe Romero-Villanueva
Fellowship Coordinator
Phone: (650) 721-6849
Fax: (650) 725-8343

Melyssa Walker Martinez, MPH
Fellowship Coordinator
Phone: (650) 725-5232
Fax: (650) 725-8343

Program Director:

Alisa Arunamata, MD
Pediatric Cardiology Fellowship Training Program at Stanford
750 Welch Road, Suite 305
Palo Alto, CA 94304

Associate Program Director:

Neha Purkey, MD

Charitha Reddy, MD

Research Process Manager Contact

Daniel Espinosa
Peds/Cardiology (Faculty with last names beginning with the letter A-L)
Phone: (650) 725-7014


Becky Earl
Peds/Cardiology (Faculty with last names beginning with the letter M-Z)
Phone: (650) 725-5945