Our Faculty

Our faculty strives to live up to their reputation of being the most supportive and approachable, while teaching residents to treat a diverse, under-served patient population. We focus on training outstanding, balanced residents, in a hospital and outpatient environment dedicated to teamwork, community service, work/life balance and physician wellness.

For information on our faculty, email us:  [email protected]     

Amaity V. Austin, MD, MPH, FAAFP, ABoIM

Armaity V. Austin, MD, MPH, FAAFP, ABoIM

Program Director

  • Dual board certified in Family Medicine and Integrative Medicine
  • Faculty Director of the Integrative Medicine Track and Department Chair of Family Medicine at CHMC
  • Committed to serving underserved patients in the community
  • 20+ years of teaching experience
  • Leads the community medicine curriculum
  • Interests: Community Medicine, Bioethics, Global Health, Integrative Medicine, traveling, photography, ethnic cuisine, music and yoga

Amaity V. Austin, MD, MPH, FAAFP, ABoIM

Armaity V. Austin, MD, MPH, FAAFP, ABoIM

Program Director

  • Dual board certified in Family Medicine and Integrative Medicine
  • Faculty Director of the Integrative Medicine Track and Department Chair of Family Medicine at CHMC
  • Committed to serving underserved patients in the community
  • 20+ years of teaching experience
  • Leads the community medicine curriculum
  • Interests: Community Medicine, Bioethics, Global Health, Integrative Medicine, traveling, photography, ethnic cuisine, music and yoga

Dr. Juan Silva

Juan A. Silva, MD

Associate Program Director

  • Medical School: University of California, Davis School of Medicine
  • Residency: White Memorial Medical Center in Family Medicine
  • He is a Family Physician and Founder of Mosaic Family Care
  • Serves as core faculty member.
  • He serves on multiple leadership committees at White Memorial Medical Center, East LA College Foundation, and Monterey Park Hospital
  • He is a proud husband and father of 7 children and now a proud grandfather. He enjoys sporting events, and above all spending time with family and friends

Dr. Juan Silva

Juan A. Silva, MD

Associate Program Director

  • Medical School: University of California, Davis School of Medicine
  • Residency: White Memorial Medical Center in Family Medicine
  • He is a Family Physician and Founder of Mosaic Family Care
  • Serves as core faculty member.
  • He serves on multiple leadership committees at White Memorial Medical Center, East LA College Foundation, and Monterey Park Hospital
  • He is a proud husband and father of 7 children and now a proud grandfather. He enjoys sporting events, and above all spending time with family and friends

Sandra Avila, MD

  • Medical School: David Geffen School of Medicine, UCLA
  • Residency:  White Memorial Med Center Family Medicine Residency
  • Serves as Didactics Director, preceptor outpatient faculty member, Nursing Home Attending
  • Interests include care of geriatric patient, preventive care & diabetes management
  • She’s received multiple teaching awards for teaching residents as a preceptor and lecturer.
  • On her spare time enjoys traveling & good food

Sandra Avila, MD

  • Medical School: David Geffen School of Medicine, UCLA
  • Residency:  White Memorial Med Center Family Medicine Residency
  • Serves as Didactics Director, preceptor outpatient faculty member, Nursing Home Attending
  • Interests include care of geriatric patient, preventive care & diabetes management
  • She’s received multiple teaching awards for teaching residents as a preceptor and lecturer.
  • On her spare time enjoys traveling & good food

Dr. Hector Castillo

Hector Castillo, MD

  • Primary care physician and hospitalist
  • Medical School: University of Southern California, Keck School of Medicine
  • Residency: White Memorial Medical Center
  • Serves as core faculty on the family medicine inpatient service;
  • Serves on multiple clinical leadership committees at White Memorial Medical Center and AltaMed Health Services
  • Husband and father of three wonderful children. He coaches flag football and enjoys time with his family.

Dr. Hector Castillo

Hector Castillo, MD

  • Primary care physician and hospitalist
  • Medical School: University of Southern California, Keck School of Medicine
  • Residency: White Memorial Medical Center
  • Serves as core faculty on the family medicine inpatient service;
  • Serves on multiple clinical leadership committees at White Memorial Medical Center and AltaMed Health Services
  • Husband and father of three wonderful children. He coaches flag football and enjoys time with his family.

Dr. Michelle Crespo

Michelle Crespo, MD, MPH

  • Medical School: University of California Irvine School of Medicine where she participated in the Program in Medical Education for the Latino Community (PRIME-LC) program
  • MPH: University of California Los Angeles Fielding School of Public Health, focusing on health policy and management
  • Residency: CHMC – Family Medicine Residency
  • Core faculty member.  Her interests include full-spectrum family medicine, addressing healthcare disparities, and advocating for increased health access. 
  • For fun, she likes to watch NBA games, attempt CrossFit workouts, and take trips to Disneyland.

Dr. Michelle Crespo

Michelle Crespo, MD, MPH

  • Medical School: University of California Irvine School of Medicine where she participated in the Program in Medical Education for the Latino Community (PRIME-LC) program
  • MPH: University of California Los Angeles Fielding School of Public Health, focusing on health policy and management
  • Residency: CHMC – Family Medicine Residency
  • Core faculty member.  Her interests include full-spectrum family medicine, addressing healthcare disparities, and advocating for increased health access. 
  • For fun, she likes to watch NBA games, attempt CrossFit workouts, and take trips to Disneyland.

Dr. Richard Hernandez

Richard Hernandez, MD

Inpatient Director

  • Medical School: Ross University School of Medicine 
  • Residency: Arrowhead Regional Medical Center in Colton, CA
  • Serves as core faculty.  His interests include working in the inpatient and integrating Point of Care Ultrasound into clinical practice. 
  • On his spare time, Dr. Hernandez is an avid weightlifter and cook and enjoys spending time with his wife and their three children at Disneyland

Dr. Richard Hernandez

Richard Hernandez, MD

Inpatient Director

  • Medical School: Ross University School of Medicine 
  • Residency: Arrowhead Regional Medical Center in Colton, CA
  • Serves as core faculty.  His interests include working in the inpatient and integrating Point of Care Ultrasound into clinical practice. 
  • On his spare time, Dr. Hernandez is an avid weightlifter and cook and enjoys spending time with his wife and their three children at Disneyland

Peony Khoo

C. Peony Khoo, MD, FAAFP

  • Medical School: Saint Louis University
  • Residency: UCLA Family Medicine
  • Fellowship: Santa Clara Valley Medical Center Obstetrics Fellowship
  • Serves as core faculty full spectrum practice, including OB/C-sections
  • She is dedicated to teaching obstetrics and reproductive health, office procedures, and medical education.
  • In her free time, enjoys volleyball, cooking, and running

Peony Khoo

C. Peony Khoo, MD, FAAFP

  • Medical School: Saint Louis University
  • Residency: UCLA Family Medicine
  • Fellowship: Santa Clara Valley Medical Center Obstetrics Fellowship
  • Serves as core faculty full spectrum practice, including OB/C-sections
  • She is dedicated to teaching obstetrics and reproductive health, office procedures, and medical education.
  • In her free time, enjoys volleyball, cooking, and running

Tracey Norton, DO, FAAFP

Clinical Medical Director

  • Medical School:  Kirksville College of Osteopathic Medicine
  • Residency: California Hospital Family Medicine Residency Program
  • Serves as Clinical Medical Director of the Eisner Health Family Medicine Center, an FQHC & continuity site for CHMC-FMRP
  • She’s boarded in Family Medicine, Adolescent Medicine and majority of her medical career in graduate medical education and practice in full-scope medicine with underserved populations
  • Free time: Reading, music, exercise and time with her family

Tracey Norton, DO, FAAFP

Clinical Medical Director

  • Medical School:  Kirksville College of Osteopathic Medicine
  • Residency: California Hospital Family Medicine Residency Program
  • Serves as Clinical Medical Director of the Eisner Health Family Medicine Center, an FQHC & continuity site for CHMC-FMRP
  • She’s boarded in Family Medicine, Adolescent Medicine and majority of her medical career in graduate medical education and practice in full-scope medicine with underserved populations
  • Free time: Reading, music, exercise and time with her family

Dr. Anthony Zamudio

Anthony Zamudio, PhD

Director of Behavioral Science

  • Education: Ph.D. in clinical psychology from UCLA
  • Provides teaching and supervision in behavioral health and resident wellness
  • Multiple journal case study publications on patient encounters in primary care
  • Member for the LACPA Ethics Committee and a former ethics member of the California Psychological Association
  • He is an avid cyclist, having completed over twenty-one 7-day 550 mile AidsLifeCycle rides from San Francisco to Los Angeles

Dr. Anthony Zamudio

Anthony Zamudio, PhD

Director of Behavioral Science

  • Education: Ph.D. in clinical psychology from UCLA
  • Provides teaching and supervision in behavioral health and resident wellness
  • Multiple journal case study publications on patient encounters in primary care
  • Member for the LACPA Ethics Committee and a former ethics member of the California Psychological Association
  • He is an avid cyclist, having completed over twenty-one 7-day 550 mile AidsLifeCycle rides from San Francisco to Los Angeles

Learn more about Family Medicine Residency