
John B. Paik-Tesch, MD
Role: Program Director
Program/affiliation: Family Medicine Residency Program, Mercy Medical Center Merced
Medical school: The University of Wisconsin School of Medicine and Public Health
Residency: Merced Family Medicine Residency Fellowship: Faculty Development at UCSF
Board certification: Family Medicine
Clinical/academic interests: Geriatric medicine, hospice, care of patients with HIV/AIDS, nurturing learning environment, preparing future family physicians, strengthening ties of the residency to the community and UC Merced

William M. Entwistle, MD
Role: Associate Program Director
Program/affiliation: Family Medicine Residency Program, Mercy Medical Center Merced
Medical school: Universidad Mayor de San Simon
Residency: Merced Family Medicine Residency (Class of 2018)

Charlie L. Kano, MD
Role: Associate Program Director
Program/affiliation: Family Medicine Residency Program, Mercy Medical Center Merced
Medical school: Medical College of Wisconsin
Residency: Merced Family Medicine Residency
Fellowship: Faculty Development at UC San Francisco
Board certification: Hospice and Palliative
Medicine Clinical/academic interests: Improving clinic processes, quality improvement

Theresa A Schill, MD
Role: Faculty
Program/affiliation: Family Medicine Residency Program, Mercy Medical Center Merced
Medical school: UC San Diego
Residency: Merced Family Medicine Residency
Clinical/academic interests: Obstetrics, pediatrics, women’s health

Albert P. Col, MD
Role: Faculty
Program/affiliation: Family Medicine Residency Program, Mercy Medical Center Merced
Medical school: University of Southern California
Residency: Merced Family Medicine Program
Board certification: Sports Medicine
Clinical/academic interests: Sports Medicine, teaching assessment and procedures in skin care, establishing rural clinics for dermatologic conditions

Brian K. Sugimoto, MD
Role: Faculty
Program/affiliation: Family Medicine Residency Program, Mercy Medical Center Merced
Medical school: UC Davis
Residency: Mercy Medical Center (1996)
Clinical/academic interests: ER, critical care, obstetrics

Jared A. Paskin, MD
Role: Faculty
Program/affiliation: Family Medicine Residency Program, Mercy Medical Center Merced
Medical school: Autonomous University of Guadalajara, Mexico; Wake Forest University Residency: Merced Family Medicine Residency
Board certification: Geriatric Medicine
Clinical/academic interests: Geriatrics, inpatient medicine services, preceptor in the Family Medicine Center, didactics on the Geriatric Rotation

Muhammad Shabbir, MD
Role: Faculty
Program/affiliation: Family Medicine Residency Program, Mercy Medical Center Merced
Medical school: Government College, Daska, Pakistan
Residency: Merced Family Medicine Residency
Board certification: Family Medicine

Oscar V. Ramos, MD
Role: Faculty
Program/affiliation: Family Medicine Residency Program, Mercy Medical Center Merced
Medical school: Ross University School of Medicine
Residency: Merced Family Medicine Residency (Class of 2015)
Board certification: Family Medicine

T. Mark Sphabmixay, MD
Role: Faculty
Program/affiliation: Family Medicine Residency Program, Mercy Medical Center Merced
Medical school: Ross University
Residency: Merced Family Medicine Residency
Board certification: Family Medicine
Clinical/academic interests: Geriatrics, obstetrics, pediatrics, adolescent care

Lesley Xiong, MD
Role: Faculty
Program/affiliation: Family Medicine Residency Program, Dignity Health Foundation Medical Group in Merced
Medical school: Georgetown University School of Medicine
Residency: Valley Consortium for Medical Education Family Medicine Residency
Clinical/academic interests: Inpatient medicine services, outpatient Family Medicine Center, promoting educational opportunities in the local Hmong community

Brian J. Vierra, MD
Role: Faculty
Program/affiliation: Family Medicine Residency Program, Mercy Medical Center Merced
Medical school: Loyola University, Stritch School of Medicine
Residency: Baylor College of Medicine; Danbury Hospital
Board certification: Obstetrics/Gynecology Clinical/academic interests: Obstetrics/Gynecology

David E. Silveira, PsyD, LCSW
Role: Director of Behavioral Sciences
Program/affiliation: Family Medicine Residency Program, Mercy Medical Center Merced
Medical school: California Southern University (Doctorate in Psychology)
Clinical/academic interests: Behavioral medicine, mental health care, hospice

James R. Rabago, MD
Role: Faculty
Program/affiliation: Family Medicine Residency Program, Mercy Medical Center Merced
Medical school: UC Davis School of Medicine
Residency: Merced Family Medicine Residency
Clinical/academic interests: Providing a medical learning environment that graduates outstanding, full spectrum, independent Family Physicians

Neha Mahajan, DO
Role: Faculty
Program/affiliation: Family Medicine Residency Program, Mercy Medical Center Merced
Clinical/academic interests: Pediatrics

Gurpreet Dhillon, MD
Role: Faculty
Program/affiliation: Family Medicine Residency Program, Mercy Medical Center Merced
Clinical/academic interests: Family Medicine