714-545-5550 Monday/Friday 9am - 5pm

Gustavo Alva M.D.

Psychiatrist and ATP Founder

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: gusalvamd.com




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Attention New Patients

The New Patient Packet will provide what you need to get started. To download the New Patient Packet click on the link below

download packet Descargar paquete en español
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Yvette is wonderful...

She is sharp, efficient and able to assess my needs. She will not waste your time. I never wait longer than 15 min ( max) to see her. I highly recommend her:) She also is flexible with adding and changing appointments

-Evelyn D. La Habra, CA

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Dr. Alex Alva Excellent Doctor...

Excellent doctor, very considerate to patients needs. Listens to patient and family members. From www.healthgrades.com

-Lakewood, Feb 1st 2017

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Dr. Alex Alva Great Psychiatrist...

He's a great psychiatrist and was able to get me on medications that changed my life. A God send. From www.healthgrades.com

-J.R.W Irvine, Oct 10th 2016

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Dr. Alex Alva Amazing Human...

Amazing human an angel from God! I have seen many doctors no one helped me like he did , the combination of medication and his attitude towards life is what helped me! From www.healthgrades.com

-Monterey, CA May 4th 2016

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Great administration staff - Very welcoming!

Dr. Sheena Patel was amazing at listening to what I had to say. She explained everything thoroughly and offered me an opportunity to ask any questions. I did not feel rushed whatsoever ... The office is very clean, peaceful and beautifully furnished. Plenty of cozy places to sit comfortably ...

PS it's definitely the place to go on a summer day because the air conditioning is outstanding! -KP www.google.com


-Kristina Perez

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I've been really pleased with my experience here!

Super professional, knowledgeable, and friendly doctors. Dr. Alva is my favorite--he is so caring, fun, and welcoming. I have also been with Dr. Sheena and she's nice too. I would not choose to go anywhere else! I like that they work with my medical insurance as well. So thankful. www.google.com

-Lexi Cunningham

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Never had a nicer or cleaner office...

Been going to their orange office for 2 years till they closed it. Still go here and people are extremely nice. Never had a nicer or cleaner office for this type if industry. www.google.com

Jeremy Zimmerman

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Recommended on Facebook

Because Dr. Alva is one of the best psychiatrist in OC good to his patients and people around him. He is down to earth!! www.facebook.com

Sandy Chapman

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Recommended on Facebook

Compassionate expert professionals! They care about their patients and it shows! www.facebook.com

Rigo Brueck

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Recommended on Facebook

The world needs more of their kind of professional care. People can really heal here. www.facebook.com

Luke Caleb Lamar

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They make my monthly visit something I look forward to

I've been to many psychiatrists office for my anxiety medicine and I can honestly say this is the best. Jennifer Sebastian is an amazing medical expert who truly takes the time to listen to me and understand my needs without over prescribing anything. I never feel rushed, I always feel heard and taken care of. I've been able to get off antidepressants entirely through a mixture of reducing my dose along with healthy daily habits which they have been very supportive of.

Marleny and V in the front desk are very sweet and inviting, and give the entire office and air of friendliness and warm. They make my monthly visit something I look forward to. I never have to wait very long and I truly feel well taken care of.www.yelp.com


Logan D.

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The staff show willingness to support the patients...

Good day to all. I have been a patient here for about 7 years. I am very satisfied. It is clean. There is parking. The staff show willingness to support the patients schedule and needs. The Doctors are understanding and considerate. I certainly recommend this Facility. www.yelp.com

Gary S.

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The only place we felt comfortable and cared for!

This place is amazing; to be more exact, Jennifer Sebastian is very knowledgeable. Someone very close to me has been suffering from anxiety and depression for a long period of time. We've been to different psychiatrist and medical professionals and this is the only place we felt comfortable and cared for! Jenn was very confident in her decisions made and really gave us knowledge of everything something the previous doctors didn't do. Front desk was very friendly and made us feel welcome! Looking forward to next visit, thank you PNS. www.yelp.com

Janette D.

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I am happy that the staff now represents the doctor I trust

I have been seeing Dr. Alex Alva for years and he saved my life. He is the most kind and caring Psychiatrist I have seen. When I first started seeing Dr. Alva his staff was rude and uncaring. He told me he was working on getting the right staff and I must say he has. The staff is caring and helpful. Rachel has helped me with my medication that my insurance company would not cover and they finally answer the phones. I am happy that the staff now represents the doctor I trust. www.yelp.com

Maria L.

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I am so happy i found this office

I must say that i was more than hesitant when scheduling an initial consultation. This was my first time being seen in this field, so i was very nervous. I must say, i am so happy i found this office. I didn't experience anything unusual when it comes to new patient check in. I was seen shortly after arriving and did not have to wait- which i was thankful for since i have a hectic schedule my lunch breaks are my only time to get away. I am so happy to have met dr Sebastian. She made me feel so comfortable from beginning to the very end! She was very knowledgeable and it felt so nice to be heard and get feedback to better understand what is going on and how i can be helped. Thank you! www.yelp.com

Marisa P.