montana
Specialties
Psychiatrist
Dr. Troy R. Stiles
Dr. Troy R. Stiles

Dr. Troy R. Stiles

  • Gender: Male
  • Experience: 20 years
  • Graduated from: Midwestern University, Chicago College Of Osteopathic Med
  • Graduation year: 2001
  • Sole propriator: No
  • NPI: 1437122207

Dr. Troy R. Stiles D.O.

Psychiatrist

He is located at 820 Division Street in Billings, MT 59101. Can help patients with the following: Anorexia Nervosa, Antisocial Personality Disorder (ASPD), Aphasia, Eating Disorder, Grief, Phobias. His National Provider Identifier (NPI) number is 1437122207. Appointment can be made via the phone number (406) 294-5225. He is affiliated with 2 practices and 1 hospitals.

Conditions treated

Dr. Troy R. Stiles, being an psychiatrist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Troy R. Stiles.

  • Amnesia
  • Anorexia Nervosa
  • Antisocial Personality Disorder (ASPD)
  • Anxiety
  • Aphasia
  • Asperger Syndrome (AS)
  • Attention-Deficit/Hyperactivity Disorder (ADHD)
  • Autism
  • Avoidant Personality Disorder
  • Binge Eating Disorder
  • Bipolar Disorder
  • Body Dysmorphic Disorder (BDD)
  • Borderline Personality Disorder (BPD)
  • Bulimia Nervosa
  • Dementia
  • Depression
  • Dissociative Fugue
  • Dissociative Identity Disorder
  • Drug Abuse
  • Eating Disorder
  • Fragile X Syndrome (FXS)
  • Grief
  • Hypersomnia
  • Insomnia
  • Isolation
  • Learning Disability
  • Mental Illness
  • Mood Disorders
  • Munchausen Syndrome
  • Narcissistic Personality Disorder (NPD)
  • Obsessive Compulsive Disorder (OCD)
  • Online Therapy
  • Panic Disorder
  • Persistent Depressive Disorder
  • Pervasive Developmental Disorders (PDD)
  • Phobias
  • Postpartum Depression (PPD)
  • Posttraumatic Stress Disorder (PTSD)
  • Premenstrual Dysphoric Disorder (PMDD)
  • Psychotic Disorder
  • Rape and Sexual Assault
  • Relationship Issues
  • Schizoaffective Disorder
  • Schizophrenia
  • Seasonal Affective Disorder (SAD)
  • Sleepwalking
  • Speech Disorders
  • Stress
  • Tardive Dyskinesia
  • Tics
  • Trauma
  • Wilson-Turner Syndrome

Procedures Performed by Dr. Troy R. Stiles

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Troy R. Stiles as in-network for the following 2026 plans.

Health plans

Blue Cross and Blue Shield of Montana

Network data as of Jun 7, 2026, as reported by the insurer.

Show all 19 plans from Blue Cross and Blue Shield of Montana
Blue Cross and Blue Shield of Montana plans
Plan Plan type Network tier New patients
Blue Focus Bronze POS℠ 205 (3 plan variants) POS · Expanded Bronze Blue Focus POS Accepting new patients
Blue Focus Bronze POS℠ 705 (3 plan variants) POS · Bronze Blue Focus POS Accepting new patients
Blue Focus Bronze POS℠ Standard (3 plan variants) POS · Expanded Bronze Blue Focus POS Accepting new patients
Blue Focus Gold POS℠ 207 (3 plan variants) POS · Gold Blue Focus POS Accepting new patients
Blue Focus Gold POS℠ 902 (3 plan variants) POS · Gold Blue Focus POS Accepting new patients
Blue Focus Gold POS℠ Standard (3 plan variants) POS · Gold Blue Focus POS Accepting new patients
Blue Focus Silver POS℠ 206 (3 plan variants) POS · Silver Blue Focus POS Accepting new patients
Blue Focus Silver POS℠ 903 (3 plan variants) POS · Silver Blue Focus POS Accepting new patients
Blue Focus Silver POS℠ Standard (3 plan variants) POS · Silver Blue Focus POS Accepting new patients
Blue Preferred Bronze PPO℠ 201 (4 plan variants) PPO · Expanded Bronze Blue Preferred PPO Accepting new patients
Blue Preferred Bronze PPO℠ 202 (4 plan variants) PPO · Expanded Bronze Blue Preferred PPO Accepting new patients
Blue Preferred Bronze PPO℠ Standard (4 plan variants) PPO · Expanded Bronze Blue Preferred PPO Accepting new patients
Blue Preferred Gold PPO℠ 204 (4 plan variants) PPO · Gold Blue Preferred PPO Accepting new patients
Blue Preferred Gold PPO℠ 901 (4 plan variants) PPO · Gold Blue Preferred PPO Accepting new patients
Blue Preferred Gold PPO℠ Standard (4 plan variants) PPO · Gold Blue Preferred PPO Accepting new patients
Blue Preferred Security PPO℠ 200 (4 plan variants) PPO · Catastrophic Blue Preferred PPO Accepting new patients
Blue Preferred Silver PPO℠ 203 (4 plan variants) PPO · Silver Blue Preferred PPO Accepting new patients
Blue Preferred Silver PPO℠ 308 (4 plan variants) PPO · Silver Blue Preferred PPO Accepting new patients
Blue Preferred Silver PPO℠ Standard (4 plan variants) PPO · Silver Blue Preferred PPO Accepting new patients

Mountain Health CO-OP

Network data as of Sep 15, 2026, as reported by the insurer.

Show all 22 plans from Mountain Health CO-OP
Mountain Health CO-OP plans
Plan Plan type Network tier New patients
PEAK PPO BRONZE PPO · Expanded Bronze Preferred Accepting new patients
Peak PPO Bronze HDHP PPO · Expanded Bronze Preferred Accepting new patients
PEAK PPO BRONZE HDHP PPO · Expanded Bronze Preferred Accepting new patients
Peak PPO Bronze Standard PPO · Expanded Bronze Preferred Accepting new patients
Peak PPO Catastrophic PPO · Catastrophic Preferred Accepting new patients
Peak PPO Gold PPO · Gold Preferred Accepting new patients
PEAK PPO GOLD PPO · Gold Preferred Accepting new patients
PEAK PPO GOLD HDHP PPO · Gold Preferred Accepting new patients
Peak PPO Gold Standard PPO · Gold Preferred Accepting new patients
Peak PPO Silver PPO · Silver Preferred Accepting new patients
PEAK PPO SILVER PPO · Silver Preferred Accepting new patients
PEAK PPO SILVER HDHP PPO · Silver Preferred Accepting new patients
Peak PPO Silver Standard PPO · Silver Preferred Accepting new patients
Plus Bronze (2 plan variants) PPO · Expanded Bronze Tier Two Accepting new patients
Plus Bronze HDHP PPO · Expanded Bronze Tier Two Accepting new patients
Plus Bronze Standard PPO · Expanded Bronze Tier Two Accepting new patients
Plus Gold (2 plan variants) PPO · Gold Tier Two Accepting new patients
Plus Gold HDHP PPO · Gold Tier Two Accepting new patients
Plus Gold Standard PPO · Gold Tier Two Accepting new patients
Plus Silver PPO · Silver Tier Two Accepting new patients
Plus Silver HDHP PPO · Silver Tier Two Accepting new patients
Plus Silver Standard PPO · Silver Tier Two Accepting new patients

PacificSource Health Plans

Network data as of Sep 15, 2026, as reported by the insurer.

Show all 8 plans from PacificSource Health Plans
PacificSource Health Plans plans
Plan Plan type Network tier New patients
Core Bronze HSA 10600 EPO · Bronze Tier One Accepting new patients
Core Bronze HSA 8300 EPO · Expanded Bronze Tier One Accepting new patients
Core Gold 1500 EPO · Gold Tier One Accepting new patients
Core Silver 3500 EPO · Silver Tier One Accepting new patients
Core Silver 5000 EPO · Silver Tier One Accepting new patients
Core Standard Expanded Bronze HSA EPO · Expanded Bronze Tier One Accepting new patients
Core Standard Gold EPO · Gold Tier One Accepting new patients
Core Standard Silver EPO · Silver Tier One Accepting new patients

This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Troy R. Stiles is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.

Insurance information looks wrong? Let us know

Medicare Enrollment

Dr. Troy R. Stiles is enrolled to bill Medicare as a Practitioner - Psychiatry .

Bills through: Big Sky Psychiatric Services Pc

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.

Payments received

Drug payment

Takeda $38915
Otsuka Pharmaceutical $35382
Janssen $466

Other

Promotional Speaking or Service $64755
Travel and Lodging $7711
Food and Beverage $3297

Studies

MIDWESTERN UNIVERSITY, CHICAGO COLLEGE OF OSTEOPATHIC MED

Graduated in 2001

Affiliated practices

Billings Clinic Hospital
2800 10th Avenue North
Billings, 59101 MT
(406) 657-4000
Big Sky Psychiatric Services
820 Division Street
Billings, 59101 MT
(406) 294-5225

Affiliated hospitals

BILLINGS CLINIC
2800 10TH AVE N
BILLINGS, 59101 MT
(406) 657-4000

Looking for more Psychiatrists?

Out of the 28 psychiatrists in this region, here are 10 randomly selected ones for you to explore.

Kristi Ruth Rutz
  • Gender: Female
  • Address: 1245 North 29th Street Billings, 59101, MT
Dr. Martha Lynn Rhoades
  • Gender: Female
  • Address: 1020 North 27th Street Billings, 59101, MT
Dr. Elizabeth A. Walter
  • Gender: Female
  • Address: 1020 N 27th St Billings, 59101, MT
Dr. Laura Beth Seal
  • Gender: Female
  • Address: 2950 10th Avenue N Billings, 59101, MT
Mark Aaron Ackerman
  • Gender: Male
  • Address: 5 West Mendenhall Street Suite 202 Bozeman, 59715, MT
Dr. David B. Carlson
  • Gender: Male
  • Address: 1020 North 27th Street Billings, 59101, MT
Dr. Emily Kahn Mcmillan
  • Gender: Female
  • Address: 1020 N 27th St Billings, 59101, MT
Dr. Eric R. Arzubi
  • Gender: Male
  • Address: 1020 N 27th St Billings, 59101, MT
Dr. John G. Denegre
  • Gender: Male
  • Address: 1020 N 27th St Billings, 59101, MT
Dr. Eeva Irmeli Echeverri
  • Gender: Female
  • Address: Suite 216 208 North 29th Street Billings, 59101, MT

Questions & Answers

Does Dr. Troy R. Stiles have affiliation with practices?

Dr. Troy R. Stiles is affiliated with Billings Clinic Hospital. For the full list of practices see this list.

Does Dr. Troy R. Stiles accept patients with Blue Cross and Blue Shield of Montana?

Yes, Dr. Troy R. Stiles is listed in-network for Blue Cross and Blue Shield of Montana through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.

Where can you meet with Dr. Troy R. Stiles?

Dr. Troy R. Stiles's office is located at 820 Division Street in Billings, MT 59101.

What conditions does Dr. Troy R. Stiles treat?

Dr. Troy R. Stiles provides treatment for Anorexia Nervosa, Antisocial Personality Disorder (ASPD), Aphasia, Eating Disorder, Grief, Phobias. For the full list see this list.

Has Dr. Troy R. Stiles affiliation with hospitals?

Dr. Troy R. Stiles is affiliated with BILLINGS CLINIC.