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About

Pacific Neuropsychiatric Specialists (PNS) is a leading mental health practice in Orange County with 12 U.S. locations, including Santa Ana and Irvine (HQ in Irvine). They provide comprehensive psychiatric and behavioral health services—adult and adolescent psychiatry, ADD/ADHD, depression, anxiety, psychotherapy, medication management, and substance use treatment—along with diagnostic testing and telehealth. The organization emphasizes personalized, compassionate care and employs a range of roles from psychiatrists to patient care coordinators. Notable OC locations include 19782 MacArthur Blvd, Irvine (HQ) and 999 N Tustin Ave, Santa Ana.

Clinic Type

Psychiatry

Address

Orange County offices: Costa Mesa, Huntington Beach, Orange, Santa Ana, Mission Viejo

Phone

+1-714-545-5550

Email

Opening Hours

not specified

Telehealth

not specified

Emergency Care

not specified

Services Offered

  • psychiatry
  • outpatient psychiatry
  • child psychiatry
  • adolescent psychiatry
  • adult psychiatry
  • geriatric psychiatry
  • neuropsychiatry
  • transcranial magnetic stimulation (TMS)
  • psychiatric treatments
  • inpatient referrals
  • residential care
  • partial hospitalization programs
  • intensive outpatient programs
  • outpatient services
  • chemical dependence treatment
  • alcohol dependence
  • psychopharmacology
  • psychology
  • psychiatric nurse practitioners
  • physician assistants
  • multidisciplinary care
  • in-network with most insurance carriers

Technology & Equipment

  • Transcranial Magnetic Stimulation (TMS)
  • neuropsychiatry
  • psychiatry
  • psychoanalysis
  • psychology
  • neurochemistry
  • psychopharmacology

Team

  • Alejandro Alva, MD, MD — Founder, Chief Medical Officer, CEO

Insurance & Payment

  • in-network with most insurance carriers

In-network with most insurance carriers.

not specified

Financing: not specified

Savings plan: not specified

Languages Spoken

  • English
  • Spanish (espanol link)
  • Spanish
  • Gujarati
  • Arabic
  • Russian
  • French
  • Greek

FAQs

What services do you offer?

Outpatient, individualized psychiatry care for children, adolescents, adults, and seniors with treatments for a range of mental health disorders.

Commitments

  • not specified

Awards & Accreditations

  • award winning and internationally recognized psychiatrist Dr. Alejandro Alva

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Yelp (Santa Ana location): 1.0 out of 5 stars (13 reviews)
  • Yelp (Orange location): 3.1 out of 5 stars (27 reviews)

Patients praise

  • compassionate and knowledgeable care from specific providers
  • patient and understanding front desk staff experiences
  • effective medication adjustments for some patients
  • pleasant waiting room environment

Common complaints

  • unprofessional or rude staff interactions
  • concerns regarding medication management and side effects
  • frustrations with communication and appointments
  • perceived lack of knowledge or professionalism in some practitioners

"Dr. Erik Perterson has no business being in charge of anyone's care. He is unprofessional, rude, and condescending."

Yelp (Santa Ana)

"Each time Ive called, someone has been patient and understanding. I was so nervous for my first visit... but wow did I feel seen and understood."

LocalityBiz (Review)

"Today I had an apt. with PA YEA. My appointment was very disappointing. Dr. Yea was speaking so fast... I couldn't understand her words."

MapQuest/Yelp (Orange)

Synthesized from public review platforms as of Jul 10, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 10, 2026.

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