Photo of Cayley Mesterheide - Quimson Behavioral Health: Cayley Mesterheide PA-C, Physician Assistant, PA-C
Quimson Behavioral Health: Cayley Mesterheide PA-C
Physician Assistant, PA-C
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Quimson Behavioral Health: Cayley Mesterheide PA-C

Physician Assistant, PA-C (she, her)

Verified by Psychology Today Verified by Psychology Today
3 Endorsed
Call Us
Let's Connect (971) 257-1357
Photo of Cayley Mesterheide - Quimson Behavioral Health: Cayley Mesterheide PA-C, Physician Assistant, PA-C
Available both in-person and online
15160 Northwest Laidlaw Road Ste 240 Portland, OR 97229
Compassionate, Evidence-Based Psychiatric Care & Medication Management in Oregon and Washington. Finding the right support for your mental health can feel overwhelming, but you don't have to navigate it alone. Whether you are struggling with persistent anxiety, feeling weighed down by depression, or trying to find clarity with ADHD, my goal is to create a safe, supportive space where you feel genuinely heard and understood. As a board-certified Physician Assistant with specialized credentials in psychiatry, I provide thoughtful, individual medication management tailored to your unique life, goals, and values.
I believe effective psychiatric care goes beyond simply prescribing medication. My approach is holistic and collaborative integrating practical daily habits, stress management, and therapeutic guidance alongside medical treatment.
Beginning care takes courage, and we aim to make the process as straightforward as possible. Ready to get started? Reach out via email or call (971) 257-1357 to speak with our clinical coordinator who can answer your questions and help determine if Quimson Behavioral Health is a good fit for you.
Take the first step to help. Call or Quimson Behavioral Health: Cayley Mesterheide PA-C now - (971) 257-1357

Practice at a Glance

Available both in-person and online

15160 Northwest Laidlaw Road

Ste 240

Portland, OR 97229 map

(971) 257-1357
Website
I see Oregon and Washington patients virtually and have monthly in-person appointments in Portland.
I specialize in Anxiety, Depression and Medication Management 
I accept insurance 
Let's Connect (971) 257-1357
Photo of Cayley Mesterheide - Quimson Behavioral Health: Cayley Mesterheide PA-C, Physician Assistant, PA-C

Practice at a Glance

Available both in-person and online

15160 Northwest Laidlaw Road

Ste 240

Portland, OR 97229 map

(971) 257-1357
Website
I see Oregon and Washington patients virtually and have monthly in-person appointments in Portland.
I specialize in Anxiety, Depression and Medication Management 
I accept insurance 

Finances

Payment Methods

American Express, Discover, Health Savings Account, Mastercard, Visa

Insurance

  • BlueCross and BlueShield
  • PacificSource
  • Providence
  • Regence
"
Accept insurance and self-pay for virtual/telehealth and in-person appointments.
Photo of Cayley Mesterheide - Quimson Behavioral Health: Cayley Mesterheide PA-C, Physician Assistant, PA-C
Quimson Behavioral Health: Cayley Mesterheide PA-C
Physician Assistant, PA-C
or call with questions - (971) 257-1357
"
Accept insurance and self-pay for virtual/telehealth and in-person appointments.
Photo of Cayley Mesterheide - Quimson Behavioral Health: Cayley Mesterheide PA-C, Physician Assistant, PA-C
Quimson Behavioral Health: Cayley Mesterheide PA-C
Physician Assistant, PA-C
or call with questions - (971) 257-1357

Qualifications

    Physician Assistant: Cayley Mesterheide

  • Verified by Psychology Today License: Oregon / PA213823 Cayley Mesterheide
  • Education and Years In Practice

  • Lipscomb University, Masters Of Science in Physician Assistant Studies
"
Licensed Physician Assistant in Oregon and Washington
Photo of Cayley Mesterheide - Quimson Behavioral Health: Cayley Mesterheide PA-C, Physician Assistant, PA-C
Quimson Behavioral Health: Cayley Mesterheide PA-C
Physician Assistant, PA-C
or call with questions - (971) 257-1357
"
Licensed Physician Assistant in Oregon and Washington
Photo of Cayley Mesterheide - Quimson Behavioral Health: Cayley Mesterheide PA-C, Physician Assistant, PA-C
Quimson Behavioral Health: Cayley Mesterheide PA-C
Physician Assistant, PA-C
or call with questions - (971) 257-1357

Specialties and Expertise

Top Specialties

  • Anxiety
  • Depression
  • Medication Management

Expertise

  • ADHD
  • Alcohol Use
  • Anger Management
  • Behavioral Issues
  • Bipolar Disorder
  • Eating Disorders
  • Mood Disorders
  • Obsessive-Compulsive (OCD)
  • Personality Disorders
  • Psychosis
  • Sleep or Insomnia
  • Stress
  • Suicidal Ideation
  • Testing and Evaluation
  • Trauma and PTSD
  • Veterans
  • Women's Issues
Photo of Cayley Mesterheide - Quimson Behavioral Health: Cayley Mesterheide PA-C, Physician Assistant, PA-C
Quimson Behavioral Health: Cayley Mesterheide PA-C
Physician Assistant, PA-C
Do these issues align with your needs? or (971) 257-1357
Photo of Cayley Mesterheide - Quimson Behavioral Health: Cayley Mesterheide PA-C, Physician Assistant, PA-C
Quimson Behavioral Health: Cayley Mesterheide PA-C
Physician Assistant, PA-C
Do these issues align with your needs? or (971) 257-1357

3 Endorsements

Abraham Ashton
Abraham Ashton
Psychiatric Nurse PractitionerDNPPMHNP
Cayley is an exceptional provider who brings both skill and compassion to her work. She is focused on mental health and healing.
Ellen Barker-Anderson
Ellen Barker-Anderson
Psychiatric Nurse PractitionerMSNPMHNP
I highly recommend Cayley for anyone seeking thoughtful and effective psychiatric care.
Adara Lanning
Adara Lanning
Psychiatric Nurse PractitionerPMHNP
Cayley creates a safe and welcoming space for her patients. She takes time to understand their experiences and never makes them feel rushed. I really respect her approach to care.

Client Focus

Age

Adults
Elders (65+)

Communities

Bisexual Allied
Non-Binary Allied
Queer Allied
Racial Justice Allied
Transgender Allied

Age

Adults
Elders (65+)

Communities

Bisexual Allied
Non-Binary Allied
Queer Allied
Racial Justice Allied
Transgender Allied

Location

Primary Location

15160 Northwest Laidlaw Road

Ste 240

Portland, OR 97229

(971) 257-1357
"
I see Oregon and Washington patients virtually and have monthly in-person appointments in Portland.
Photo of Cayley Mesterheide - Quimson Behavioral Health: Cayley Mesterheide PA-C, Physician Assistant, PA-C
Quimson Behavioral Health: Cayley Mesterheide PA-C
Physician Assistant, PA-C
Take the first step to help. Call now - (971) 257-1357
"
I see Oregon and Washington patients virtually and have monthly in-person appointments in Portland.
Photo of Cayley Mesterheide - Quimson Behavioral Health: Cayley Mesterheide PA-C, Physician Assistant, PA-C
Quimson Behavioral Health: Cayley Mesterheide PA-C
Physician Assistant, PA-C
Take the first step to help. Call now - (971) 257-1357