My provider was great. Really helped me through a dark time through a combination of meds, sounds, and other ways to cope.




Hi, I’m Maureen.
Most people come to me tired — overwhelmed, stuck, or pushing through on their own for longer than they should have had to. Sometimes they know exactly what’s wrong. Often they just know that something isn’t right.
What we do together is slow things down, make sense of what’s going on, and look at the options side by side. I want to understand your life from your perspective, because the better I understand you as a person, the better the care I can give you.
You will never leave one of my appointments feeling like a decision was made for you. My job is to listen, give you honest, high-quality advice, lay out the choices, and then make the decision with you.
Whoever you are and whatever you’re coming in for, what you’ll get from me is dignity, respect, and high-quality care. If that’s the kind of care you’re looking for, I’d be glad to meet you.
Using insurance for this visit? I currently work with these two insurance plans:
• Aetna
• Cigna
Do not see your plan listed? You can still schedule. We will review your benefits and let you know your options.
Self-pay rates:
● Comprehensive first visit, about 60 minutes: $289
● Follow-up visits: $169
What your first visit includes:
● A full psychiatric evaluation
● A clear explanation of what may be contributing to your symptoms
● A personalized plan, including medication options if appropriate, and next steps
I work with adults across a wide range of mental health concerns. People commonly come to me for:
I welcome patients of every background, and I work regularly with LGBTQIA+ patients and with veterans.
Together we’ll look at the whole picture and build a plan that fits your life.
When I was an undergraduate, a close friend of mine was going through serious mental health challenges, and she turned to me. I told her I thought she needed help, and that I would help her find it. What I learned in the process was how hard that is — and when she finally did get care, it wasn’t good care.
Watching someone I loved go through that, and feeling helpless alongside her, is what set my direction. I wanted the access to be better and the quality to be better. I considered several paths into healthcare and found psychiatric nursing, and it was the right fit.
I chose to work as a nurse before becoming a nurse practitioner, which turned out to be one of the most valuable decisions I made. I still think about my inpatient days all the time when I’m practicing.
My approach now starts with getting to know you. I’m genuinely interested in people — all kinds of jobs, backgrounds, beliefs, and lives — and respect is a large part of how I practice. The more someone trusts you, the more they’ll tell you, and the more they tell you, the more you can actually help.
I lean on motivational interviewing, on education, and on supportive listening. I find that explaining what’s happening is empowering: people come back to the next visit understanding their own condition, and the changes hold better when you arrived at them yourself.
And everything you tell me stays between us. That’s not a policy I follow, it’s something I take seriously and permanently.
“I never want someone to leave an appointment and feel like a decision was made for them.” – Maureen Diezman gives you honest advice and real options, and makes the decision with you.
Vanderbilt University: Nashville, TN: DNP
Vanderbilt University: Nashville, TN: MSN, Psychiatric Mental Health Nurse Practitioner
Northeastern University: Boston, MA: BSN
Virginia Tech: Blacksburg, VA: BS, Biochemistry
Licensure: Washington
In my free time I enjoy looking after my pet, spending time outdoors, and reading interesting books on all kinds of subjects.
Overall rating of
54 patient reviews
My provider was great. Really helped me through a dark time through a combination of meds, sounds, and other ways to cope.
Amazing! Peak Wellness Psychiatry has helped me out a lot! A great provider I recommend this place to others I’ve been with him for almost a year and everything’s working out for me
I am a nurse who was struggling with workplace anxiety and panic attacks. I have always steered towards being treated by nurse practitioners and my provider has been extremely helpful.
Accepts: Aetna, CIGNA, Anthem Blue Cross, Humana, Optum United Behavioral Health, United Healthcare,
UMR, GEHA, Meritain, and Aetna Student Health.