Pacific Neuropsychiatric Specialists · Locations · Mission Viejo

Psychiatry & mental health care in Mission Viejo

Our Mission Viejo office brings PNS psychiatric care to South Orange County: a part of the region that has historically had fewer options for high-quality outpatient mental health treatment. Our team offers medication management and psychotherapy across the full range of psychiatric conditions, serving patients from Mission Viejo and throughout the communities of South Orange County.

Address

26024 Acero
Mission Viejo, CA 92691

Phone

(714) 545-5550

Fax

(949) 609-0374

Hours

Monday
8 AM–5 PM
Tuesday
8 AM–5 PM
Wednesday
8 AM–5 PM
Thursday
8 AM–5 PM
Friday
8 AM–5 PM
Saturday
Closed
Sunday
Closed

About
Mission Viejo

Conveniently located off Acero in Mission Viejo, our office serves patients from Mission Viejo, Dana Point, San Juan Capistrano, Rancho Santa Margarita, Laguna Hills, Laguna Woods, and surrounding South Orange County communities.

Our Specialties

Conditions we treat at our Mission Viejo location

Whether you’re seeking support for depression, anxiety, ADHD, trauma, or other mental health concerns, our team works to make expert psychiatric care more accessible and easier to navigate.

  • Depression recommendations or adjustments
  • Anxiety
  • ADHD
  • Trauma & PTSD
  • Bipolar Disorder
  • OCD
  • Personality Disorders
  • Substance Use Disorder
  • Major Neurocognitive Disorder

Our Treatments

See what treatments are available at Mission Viejo

Our Mission Viejo office provides comprehensive outpatient psychiatric care, including:

Medication Management

Personalized psychiatric care focused on finding the right medication and keeping it working effectively over time.

Meet Our Providers

Local providers at this practice

Let’s talk

Whether you’re seeking help for the first time or exploring new treatment options, our Costa Mesa team is here to help.

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In-network care with most major insurance plans

PNS works with a variety of insurance providers to help make mental health care more accessible. Coverage may vary by provider, treatment type, and individual plan.

If you don’t see your plan listed, our team may still be able to help verify your benefits and discuss available options.

★ ★ ★ ★ ★

I am seeking mental health services for the first time in my life. Everyone I have spoken with has been very helpful and responsive and kind!!

Jules P.

★ ★ ★ ★ ★

Very nice doctors and staff, they’re always happy to see you and very polite. I see Dr Mike Santillan, he’s always very polite and happy to see me.

Avery G.

★ ★ ★ ★ ★

Monique was wonderful. She is a pleasure to speak with and has a very calming voice.

Stacy E.

★ ★ ★ ★ ★

Dr knew exactly what I needed and she was very caring and helpful.

Tiffany P.

★ ★ ★ ★ ★

The Doctor I see is amazing and friendly and understands me !

Tamara M.

Map & Directions

Visit our Mission Viejo office

Located off the 5 freeway at Acero in Mission Viejo, our South Orange County office is convenient for patients traveling from Mission Viejo, Dana Point, San Juan Capistrano, Rancho Santa Margarita, Laguna Hills, Laguna Woods, Laguna Niguel, Laguna Beach, Lake Forest, and Las Flores.

  • On-site parking available