Centro Medico Community Clinic Providers

Dr. Tahseen Shareef MD

Dr. Tahseen Shareef MD joined the

 Centro Medico Team in 2017

 Dr. Shareef graduated from the Medical College of Pennsylvania in 1993, specializes in Internal Medicine. 

In addition to English, Dr. Shareef also speaks Urdu, Hindi, Spanish and some Arabic.

Dr. Andreas Ahlas MD

Dr. Andreas Ahlas MD joined the Centro Medico Team in 2018.

He graduated with honors from UC San Diego School of Medicine in 2008.  He specializes in Geriatric Medicine, Internal Medicine and Family Practice.  

He speaks English and Spanish.

Patrick Pak PA

Patrick Pak joined the

Centro Medico Team in 2011

Graduating from Charles R. Drew University Patrick Pak is our Physicians Assistant. 


In addition to English, Patrick also speaks Khmer and Spanish.

Annabelle Custodio FNP

Annabelle Custodio joined the

Centro Medico Team in 2014

Annabelle Custodio is our Family Nurse Practitioner at both our Riverside and Corona locations. She graduated from University of Phoenix in 2008 earning a Masters Degree as a  Nurse/Family Nurse Practitioner. 

In addition to English, Annabelle also speaks Tagalog.