Medical & Professional Staff Administration

UCLA Health

Contact Information

FAX: 424-291-4443

Grace Holiday, CPMSM, CPCS

Director
Medical & Professional Staff Administration

924 Westwood Blvd, Suite 900
Los Angeles, CA 90095

gholiday@mednet.ucla.edu 

1260 15^th St, #1106
Santa Monica, CA 90404

Jennifer Siguenza, MHA, CPCS, CPMSM

Director
 Office of Integrated Credentialing

924 Westwood Blvd, Suite 900
Los Angeles, CA 90095

jsiguenza@mednet.ucla.edu

Bill Wensil

Database Management

924 Westwood Blvd, Suite 900
Los Angeles, CA 90095

wwensil@mednet.ucla.edu

Brian Fong, MS

Project Manager
 

924 Westwood Blvd, Suite 900
Los Angeles, CA 90095

bfong@mednet.ucla.edu

Divya Donavalli

 Project Analyst

 924 Westwood Blvd, Suite 900
Los Angeles, CA 90095

ddonavalli@mednet.ucla.edu

Ronald Reagan UCLA Medical Center (RR)

Phyllis Valencia, BS, CPC, CPCS

Anesthesiology, Head & Neck Surgery, Neurosurgery, Orthopaedic Surgery: Physical Medicine & Rehabilitation, Surgery: Cardiac Surgery, Liver & Pancreas Transplantation, General Surgery, Pediatric Surgery, Plastic Surgery, Podiatry Surgery, Surgical Oncology, Thoracic Surgery, Vascular Surgery; Urology

924 Westwood Blvd, Suite 900
Los Angeles, CA 90095

pjvalencia@mednet.ucla.edu

Cindy Mejia

Medicine: Cardiology, Internal Medicine, Dermatology, Geriatrics, Hematology/Oncology, Nephrology, Digestive Diseases, Endocrinology, Family Medicine, Nuclear Medicine, Infectious Disease, Pulmonary-Critical Care, Rheumatology, Allergy Immunology
 

924 Westwood Blvd, Suite 900
Los Angeles, CA 90095

cmejia@mednet.ucla.edu 

Merron Asamere, BA

Pathology, Student Health Center, Venice Family Clinic
 

924 Westwood Blvd, Suite 900
Los Angeles, CA 90095

masamere@mednet.ucla.edu

Johanna Lozano, BA

Dentistry, Neurology, Ophthalmology, Pediatrics: Adolescent Medicine, Allergy/Immunology Rheumatology, Cardiology, Critical Care, Dev Studies, Endocrinology, Gastroenterology, General Pediatrics, Genetics/Craniofacial, Hematology/Oncology, Hospitalist, Infectious Disease, Neonatology, Nephrology, Neurology, Pain Management, Pulmonology
 

924 Westwood Blvd, Suite 900
Los Angeles, CA 90095

jlozano@mednet.ucla.edu

Grace Kim, BS

Emergency Medicine, Family Medicine, Obstetrics and Gynaecology, Radiology, Radiation Oncology
 

924 Westwood Blvd, Suite 900
Los Angeles, CA 90095

gdkim@mednet.ucla.edu

UCLA Medical Center, Santa Monica (SMH)

Casey Watts, MAOM, CPCS, CPMSM

 Office Manager

 1260 15^th St, #1106
Santa Monica, CA 90404

cdwatts@mednet.ucla.edu

Yvonne Gordon, MSW, ACSW

Anesthesiology, Head & Neck Surgery, Neurosurgery,Obstetrics and Gynecology, Orthopaedic Surgery: Physical Medicine & Rehabilitation, Urology, Surgery: Cardiac Surgery, General Surgery, Pediatric Surgery, Plastic Surgery, Podiatry Surgery, Surgical Oncology, Thoracic Surgery, Vascular Surgery, Opthamology

1260 15^th St, #1106
Santa Monica, CA 90404

ygordon@mednet.ucla.edu

Carlos Acosta, MBA, CPCS

Medicine
 

1260 15^th St, #1106
Santa Monica, CA 90404

carlosacosta@mednet.ucla.edu 

Michelle Wong

Family Medicine, Pathology, Pediatrics, Radiology, Radiation Oncology, Psychiatry, Neurology, Nuclear Medicine, Emergency Medicine

 1260 15^th St, #1106
Santa Monica, CA 90404

mawong@mednet.ucla.edu 

Resnick Neuropsychiatric Hospital at UCLA (NPH)

Lynida Buckley, BS, MPH

Adult, Geriatric, Child & Adolescent Psychiatry, Psychology
 

924 Westwood Blvd, Suite 900
Los Angeles, CA 90095

lbuckley@mednet.ucla.edu

Office of Integrated Credentialing Verification

Levar Mills, BA

Dermatology, Emergency Medicine, Endocrinology, Hematology/Oncology, Nephrology, Neurology, Rhematology

924 Westwood Blvd, Suite 900
Los Angeles, CA 90095

lmills@mednet.ucla.edu

Jenny Quinonez, BS, CPCS 
 

Surgery: Head & Neck, Liver & Pancreas Transplantation, Orthopedics, Thoracic Surgery, Vascular Surgery 

Ophthalmology

924 Westwood Blvd, Suite 900
Los Angeles, CA 90095

jlquinonez@mednet.ucla.edu

Gilbert Jacinto

Surgery: Cardiac Surgery, General Surgery, Neurosurgery, Pediatric Surgery, Plastic Surgery, Surgical Oncology,  Urology

Dentistry,Obstetrics and Gynecology, Podiatry

924 Westwood Blvd, Suite 900
Los Angeles, CA 90095

GJacinto@mednet.ucla.edu 

Keisha Thompson

Allergy, Digestive Disease, Family Medicine, Geriatrics, Infectious Disease, Nuclear Medicine, Pulmonary, SHS

924 Westwood Blvd, Suite 900
Los Angeles, CA 90095

KRThompson@mednet.ucla.edu

Ivan Salazar, BA 

Pediatrics, Radiation Oncology, Radiology

 924 Westwood Blvd, Suite 900
Los Angeles, CA 90095 

Isalazar@mednet.ucla.edu 

Violet Mendivil

 Anesthesiology, Psychiatry

 924 Westwood Blvd, Suite 900
Los Angeles, CA 90095

Vmendivil@mednet.ucla.edu

Medicine: Cardiology, Internal

Pathology

924 Westwood Blvd, Suite 900
Los Angeles, CA 90095

tmadridejo@mednet.ucla.edu