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Pacific Neuropsychiatric Specialists

Orange County Psychiatrist Affiliates

Gus Alva of PNS

Dr. Alva is medical director of ATP Clinical Research (a premiere private clinical research company specializing in neuropsychiatric investigations) and Gus Alva MD. He is an Associate Professor in the Department of Psychiatry and Human Behavior at the University of California, Irvine (UCI). He is a forensic psychiatric consultant for the Orange County Superior Court and a diplomate of the American Board of Psychiatry and Neurology.

Dr. Alva received his medical degree from the Autonomous University of Guadalajara (UAG). Residency training was completed at the University of California, Irvine Medical Center in the Department of Psychiatry and Human Behavior, where he served as chief resident during his final year of residency.

Dr. Alva has served as a principal investigator for the past 10 years conducting investigation in a myriad of neuropsychiatric conditions; Alzheimer’s and other dementias, depression, anxiety disorders, bipolar disorder and psychotic conditions. As a clinician and investigator, Dr Alva’s focus is on the genetics, neuroimaging, and latest treatments available for each aforementioned condition, as well as aspects of ethnicity and their correlation within clinical situations. He has published numerous articles, and presents at both national and international meetings and conferences.

He is the immediate past-president of the Orange County Psychiatric Society. Dr. Alva is also is a member of many professional organizations, including the American Medical Association, the Orange County Medical Association, the California Psychiatric Association, the American Board of Forensic Medicine, the American College of Forensic Examiners, the California Hispanic American Medical Association and the International Congress of Geriatric Psychopharmacology.

Dr. Gustavo Alva is affiliated with PNS and is the head of clinical research for ATP clinical trials. To contact his practice directly please call 833-487-2582.

Also you can access to his webpage to get more information:  

Esperanza Hernandez-Maldonado, LMFT, is a licensed Marriage and Family Therapist at Pacific Neuropsychiatric Specialists. 

Esperanza Hernandez-Maldonado of PNS
Yvette Elpidio of PNS

Our program is not just focus on weight loss, but in burning fat, calories, reducing your cravings,

  • Diet Management
  • Medical Weight Loss Program
  • Personal Coaching
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About Yvette Elpidio

Yvette Elpidio received her Master’s degree in nursing with an emphasis on family practice from the California State University at Long Beach. She is Board Certified through the American Association of Nurse Practitioners.

Valuing education, Yvette teaches nursing students as a clinical instructor for the Cerritos College nursing program.

Yvette’s focus is on clinical care looking to provide patients a wealth of expertise, knowledge and a personal warmth in a very real humanistic and holistic approach.  

Yvette is the founder of Pacific Medical Weight Loss Center, Inc. offering to our clients the opportunity to change their lives, and accomplish their goals.

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We employ top-trained psychologists, psychiatrists, and psychiatric nurse practitioners.

Passionate Team

We've carefully assembled a team whose passion is to serve others with a purpose.

Award Winning

Dr. Alejandro Alva is an award winning and internationally recognized psychiatrist.

Most Renowned

We are Orange County's most renowned psychiatrist practice.

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