Any experience with inpatient or outpatient mental health facilities? As an example, I'm talking about stuff like that's offered at UT Southwestern in Dallas: https://utswmed.org/conditions-treatments/inpatient-psychiatry/

Although I'd be interested in hearing about alternative places for mental health recovery, such as monasteries or Christian based retreats. Please note, this does NOT have to do with substance abuse of any kind, so I am not asking about a rehab facility.

I'm asking about a place that treats mental illness, not one focused on substance addiction.

For those who may have experience, did your interactions with these clinics or facilities put a stigma on you? If so, what was it like and how did you handle it?

TIA for any experience first hand or otherwise.

My advice would be to do your research. There are places that can offer real help and support, and there are others that will take whatever cash or insurance you have and leave you drugged up on 6 new meds and you may come out half zombiefied.

I had a very close family member go through a serious mental health crisis last year and I was their primary support during this time, so that is the perspective I share.
Inpatient (multiple times) was used after SA or planned SI attempts. I would describe inpatient as stopping the bleeding / helping someone work through immediate crisis situations. These were typically 7-10 day stays, little to no personal goods were allowed (no jewelry, no hoodies with strings, no shoelaces, etc). These were not teaching long-term coping skills.
Outpatient (multiple times) varied with full and half day or program type, each one varied and typically 30-90 days. This taught more coping skills, family support, peer support. A lot depended on the group there at the same time and the therapist assigned, the reason or severity of patients varied and that was also challenging to my family member. There was a lot learned here but wasn't able to be safe enough in this space during their crisis.
Residential (once), this was the most positively impactful and life changing for my family member. Similar program to out patient but more intensive - activities were from 7 am to 8 pm. The safe overnight space but with opportunities to earn freedom based on engagement with activities made a huge difference. I will share that they were at Pathlight, which is available in several states/cities. They did great family engagement and education.
My family member was back and forth in programs for about 6 months but is now back to full time employment and "life". They see a therapist and psychiatrist regularly.

Had a family member recently complete an intensive outpatient program.

Member had been having suffer symptoms for a while. Bipolar 2 with heavy suicidal ideations. No addictions. There were times I was asking my therapist "when do I take them to the hospital?" Came close, but never did that.

Member voluntarily went to the IOP. Was 3 hours at night, minimum 3 nights/week up to 5, for 10 weeks. It did wonders. They also did and still do therapy 3/week plus monthly doctor.

Member was able to learn new coping skills, find a community of similar people, and now knows that when they find themselves in a deep dark place, there is hope. Though graduated from the program, still sees other members of the group on a regular basis.

Is there a stigma, absolutely. That is our society. No one thinks anything if you go to physical therapy for your bum knee, but we think differently if people are having a mental health crisis. You have to decide to value your health more than the judgment of others. We also would just say "it's a program for dealing with trauma" instead of saying it is for mental health. Half truth, but made the member feel better and I got to avoid the awkward conversations with people who don't understand bipolar 2.

I was specific before in saying no addiction. I think you'll find that a lot of the programs focus on addictions. Strong overlap between mental health issues and addiction. This program was tailored for those who had severe trauma in their past, vice addiction. Recommend trying to find a program that is more tailored to you. If you aren't having addiction issues, not saying there isn't value in those programs, but you can find somethings better suited for you.

Good for you in asking and seeking help. That is a step in the right direction!