montana
Specialties
Psychiatrist
Dr. Deanna L. Armstrong
Dr. Deanna L. Armstrong
Last updated: May 6, 2024

Dr. Deanna L. Armstrong

  • Gender: Female
  • Experience: 37 years
  • Graduated from: Texas Tech University Health Science Center School Of Medicine
  • Graduation year: 1984
  • Sole propriator: Yes
  • NPI: 1003900184

Dr. Deanna L. Armstrong M.D.

Psychiatrist

She is located at 2755 Colonial Drive in Helena, MT 59601. Can help patients with the following: Eating Disorder, Grief, Mood Disorders, Narcissistic Personality Disorder (NPD), Persistent Depressive Disorder, Pervasive Developmental Disorders (PDD). Her National Provider Identifier (NPI) number is 1003900184. Appointment can be made via the phone number (406) 444-7500. She is affiliated with 1 practices.

Conditions treated

Dr. Deanna L. Armstrong, 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. Deanna L. Armstrong.

  • 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

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Deanna L. Armstrong 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. Deanna L. Armstrong 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. Deanna L. Armstrong is enrolled to bill Medicare as a Practitioner - Psychiatry .

Bills through: Billings Clinic

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

Janssen $1169
Sunovion Pharmaceuticals $1116
Alkermes $895

Other

Food and Beverage $4048

Studies

TEXAS TECH UNIVERSITY HEALTH SCIENCE CENTER SCHOOL OF MEDICINE

Graduated in 1984

Affiliated practices

Frontier Behavioral Health Main/Mary Higgins Building
107 South Division Street
Spokane, 99202 WA
(509) 838-4651

Looking for more Psychiatrists?

Out of the 17 psychiatrists in this region, here are 10 randomly selected ones for you to explore.

Dr. Andrea Lee Mow
  • Gender: Female
  • Address: 2475 East Broadway Street Helena, 59601, MT
Dr. Christine Maura Daly
  • Gender: Female
  • Address: 900 Jackson Street Helena, 59601, MT
Dr. Krista Jeanne David
  • Gender: Female
  • Address: Suite B 2620 Colonial Drive Helena, 59601, MT
Dr. Betsy J. Bittman
  • Gender: Female
  • Address: 900 Jackson Street Helena, 59601, MT
Dr. Charles T. Ellis
  • Gender: Male
  • Address: 2600 Winny Avenue Helena, 59601, MT
Dr. Katherine B. Rappaport
  • Gender: Female
  • Address: 2755 Colonial Drive Helena, 59601, MT
Dr. Robert Caldwell
  • Gender: Male
  • Address: Suite B 1125 Missoula Avenue Helena, 59601, MT
Dr. Shawnee Lynn Farnham
  • Gender: Female
  • Address: 820 North Montana Avenue Helena, 59601, MT
Dr. Celeste G. Pfister
  • Gender: Female
  • Address: 2755 Colonial Drive Helena, 59601, MT
Dr. Keith D. Foster
  • Gender: Male
  • Address: 2755 Colonial Drive Helena, 59601, MT

Questions & Answers

Where can you meet with Dr. Deanna L. Armstrong?

Dr. Deanna L. Armstrong's office is located at 2755 Colonial Drive in Helena, MT 59601.

Does Dr. Deanna L. Armstrong accept insurance?

Dr. Deanna L. Armstrong is listed in-network for 49 ACA Marketplace (Obamacare/HealthCare.gov) plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans. See the Marketplace plans section for details.

What conditions does Dr. Deanna L. Armstrong treat?

Dr. Deanna L. Armstrong provides treatment for Eating Disorder, Grief, Mood Disorders, Narcissistic Personality Disorder (NPD), Persistent Depressive Disorder, Pervasive Developmental Disorders (PDD). For the full list see this list.

Does Dr. Deanna L. Armstrong have affiliation with practices?

Dr. Deanna L. Armstrong is affiliated with Frontier Behavioral Health Main/Mary Higgins Building.