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Psychiatry in Fort Collins, Colorado Rena Diem, Nurse Practitioner

Gender Identity: Female (She/Her)

Ages Served: 15-64

Appointments: In-office and Online

Manages Medications: Yes

Accepts Insurance: Yes - View accepted plans

Rena Diem, Nurse Practitioner

Rena Diem, MSN, PMHNP

Specializes In:

ADHD
Anxiety
Attention & focus
Depression/feeling down
Panic attacks
Self-esteem
Stress management
See all specialties >

Hello! I am a Psychiatric Mental Health Nurse Practitioner with LifeStance Health, and I support individuals working through anxiety, depression, trauma, and life’s everyday challenges. I believe each person has a unique story and path toward healing, and deserves to be heard in a safe, nonjudgmental, and empowering environment. Mental health struggles can feel overwhelming, but you don’t have to face them alone. My goal is for our work together to foster self-awareness, cultivate hope, and create a sense of security as you move forward.

I approach health from an integrative perspective, recognizing that navigating a complex, ever-changing world often requires a diverse set of tools and strategies. With an emphasis on medication management, treatment plans may also incorporate supportive therapy, lifestyle guidance, and recommendations for nutrition, herbs, and supplements.

I specialize in individuals ages 15 – 65 experiencing anxiety disorders, depression, and ADHD. I also work with those with a history of trauma, bipolar disorder, chronic health and pain disorders, and sleep disorders. As a former Certified Nurse Midwife, I am also knowledgeable in women’s health as well as pregnancy and postpartum mood and anxiety disorders.

Types of Care & Ages Served

Areas of Focus

Psychiatry/Medication Management

Treat and prevent mental health disorders using medication and therapy.

  • ADHD
  • Anxiety
  • Attention & focus
  • Depression/feeling down
  • Panic attacks
  • Self-esteem
  • Stress management
  • Anger issues
  • Autism: generally independent
  • Bipolar Disorder
  • Body image
  • Career & relationships (mid-life)
  • Chronic pain-related issues
  • Conditions caused by stress
  • Domestic violence & abuse
  • Eating issues: binging
  • Emotional abuse
  • Empty nesters
  • Fertility
  • First responder stress
  • Focus, concentration & memory
  • Gambling
  • Gender identity
  • General relationship issues
  • Grief & loss
  • Hair pulling & skin picking
  • Hoarding
  • Intellectual challenges: generally independent
  • Intense mood changes
  • LGBTQ+
  • Marital stress or divorce
  • Men's health/issues
  • Menopause & perimenopause
  • Military & veteran
  • Obsessive Compulsive Disorder
  • Other addictive behaviors
  • Other women's health concerns
  • Parenthood
  • Phobias
  • PMS & PMDD
  • Pornography/sexual behaviors
  • Post-partum depression & anxiety
  • Pre-conception
  • Pregnancy
  • Pregnancy loss
  • Premarital counseling
  • Self-injury or cutting
  • Sexual trauma
  • Sleep issues or insomnia
  • Social skills & communication
  • Sports performance
  • Stress from ongoing health issues
  • Trauma & PTSD
  • Unhealthy eating habits
  • Video game/internet

Languages

  • English

Education

  • Frontier Nursing University

  • Vanderbilt University

FAQs

Please call us at 970-805-0416 to schedule an appointment with Rena Diem.

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See what our patients are saying about Rena Diem

Such a great listener. She makes extra time to really listen and she is so compassionate. I enjoy our appointments!
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Stephanie D.

Stephanie D.

Jul 09, 2026
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Dr Diem is the best! Professional, caring and always listening.
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Cynthia Ten E.

Cynthia Ten E.

Jul 10, 2026
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Wonderful
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Nick G.

Nick G.

Apr 06, 2026
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Excellent experience
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Kai U.

Kai U.

Mar 16, 2026
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