Doctors / By Admin DH Elsie I. Callos, M.D. SPECIALTY: Obstetrics and GynecologySUBSPECIALTY: Obstetrics and GynecologySECRETARY: – Ms. GraceCONTACT NO/S.: 0956-702-9665 / 8924-4051 to 65 ext. 302ROOM NO/S.: B-2SCHEDULE: Tue & Thu – 9AM-11AM HMO Accreditations Kindly contact the indicated secretary during working hours (Mon-Sat – 9AM-6PM) to schedule an appointment. Clinic schedules and contact numbers are subject to change without prior notice. All Doctors Obstetrician-Gynecologists