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- NPI Number
- 1114114220
- Provider Type
- Individual Practitioner
- Credential
- M.D.
- Primary Specialty
- Psychiatry & Neurology - Neurology
- License Number
- 8758
- Practice Address
- 140 Weasel Creek RD, Box 470126
- City, State ZIP
- Winston, MT 59647
- Phone
- (406) 992-0195
- Last Updated
- June 8, 2026
- Source
- Publicly available data
Mary Sims, M.D. is a psychiatry & neurology - neurology provider located in Winston, MT. They offer psychiatry & neurology - neurology services to patients in the Winston area.
As a psychiatry & neurology - neurology provider in Winston, this clinician evaluates and treats patients for a range of common conditions seen in Winston and throughout MT.
The practice is located at 140 Weasel Creek RD, Box 470126, Winston, MT 59647. Patients can call 4069920195 to schedule an appointment or use the directions link above to find the office from anywhere in the area.
Patients typically visit this provider for people seek mental health support for anxiety, depression, stress, grief, relationship issues, trauma, and life transitions. Therapy is appropriate whenever support is needed, not only in crisis.
If you plan to see this provider, it is a good idea to confirm that the practice accepts your insurance and is in-network before scheduling. Coverage details vary by plan, and our quote tool can help you compare options in MT.
This profile was last verified on June 8, 2026. Provider information is sourced from publicly available data and may not reflect recent changes. Please confirm details directly with the practice before scheduling.
Call for hours and appointments. Hours may vary by provider and location.
A patient’s guide to psychiatry & neurology - neurology care in Winston, MT.
What a Psychiatry & Neurology - Neurology provider does
Mental health providers — including psychologists, licensed counselors, and therapists — help patients manage emotional, behavioral, and psychological challenges. They provide talk therapy, assessments, and treatment planning for a wide range of conditions.
Common conditions treated
Mental health providers treat anxiety, depression, post-traumatic stress disorder (PTSD), obsessive-compulsive disorder (OCD), grief and loss, relationship issues, eating disorders, substance use, and life transitions. They also help with stress management and personal growth.
Common reasons to schedule a visit
People seek mental health support for anxiety, depression, stress, grief, relationship issues, trauma, and life transitions. Therapy is appropriate whenever support is needed, not only in crisis.
What to expect during a visit
A first therapy session usually involves sharing your history and current concerns, getting to know your provider, and setting goals for treatment. Sessions are confidential and tailored to your needs.
Insurance coverage considerations
Many insurance plans now cover mental health services at parity with medical care, often without requiring a referral. Telehealth options are widely available. Compare plans to find affordable mental health coverage.
How to choose the right psychiatry & neurology - neurology provider in Winston
Look for a licensed mental health provider whose approach (such as cognitive behavioral therapy, EMDR, or solution-focused therapy) fits your needs. Comfort and trust with your therapist are among the strongest predictors of positive outcomes.
Looking for in-network coverage that includes this psychiatry & neurology - neurology provider? Compare health plans in MT →
Insurance acceptance not listed
The public NPI registry does not include insurance acceptance data. Contact the office directly to ask if they accept your insurance plan. You can also use our quote tool to find health plans in MT.
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Common questions about Mary Sims, M.D. in Winston, MT.
How do I make an appointment with Mary Sims, M.D.?
Call Mary Sims, M.D. directly at their Winston office to schedule a visit. You can also use the contact form on this page to send a message and the practice will respond.
Does Mary Sims, M.D. accept insurance?
Provider insurance information is not included in the public NPI registry data that powers this directory. Contact the office directly to ask whether they accept your specific insurance plan. You can also use our quote tool to find health plans in MT.
What are the office hours for Mary Sims, M.D. in Winston?
Office hours for Mary Sims, M.D. in Winston are not currently published. Call the practice directly to confirm hours before your visit.
Is parking available at Mary Sims, M.D.'s Winston location?
Most provider offices in Winston offer on-site or nearby street parking. Call Mary Sims, M.D. in Winston ahead of time to confirm parking options and accessibility accommodations.
Does Mary Sims, M.D. offer telehealth?
Many psychiatry & neurology - neurology providers in MT now offer telehealth visits for follow-ups, medication management, and routine consultations. Call Mary Sims, M.D. to ask whether a telehealth visit is appropriate for your needs.
What should I expect at my first therapy session with Mary Sims, M.D.?
Your first session with Mary Sims, M.D. in Winston is typically a 45–60 minute intake. They will review your history, current concerns, and goals for therapy. Everything discussed is confidential, and you can ask questions about they approach and treatment style.
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Claim ProfileData is sourced from publicly available records. Public records do not confirm active license status, quality of care, insurance acceptance, or network participation. Please verify details directly with the provider before scheduling. Last updated June 8, 2026.