Ann Marie Collier, MD
Neurology Psychiatry & Neurology
Ann Marie Collier is a Neurology Psychiatry & Neurology specialist based in Billings, MT with over 17 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Ann Marie Collier, MD specializes in psychiatry & neurology, serving patients in Billings, MT in group practice. With 17+ years of experience, she has been practicing in the Billings area. CMS Medicare data shows her patients commonly have high cholesterol, hypertension, and arthritis.
Older · 114dNPPES updated 2026-01-30 · verify NPI on CMS · Verify license at Montana Board of Medical Examiners
How Does This Doctor Compare?
Generic Rx
↑ Higher = better72.1%
Montana avg: 85 · US avg: 82.8
⚠ Lower than most doctors nationally(-10.7 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
167
Unique beneficiaries
Standard volumePrescription Recipients
183
Patients prescribed
Prescriptions Written
1,626
Total claims
Total Medicare drug cost: $870k
Percentile rankings compared against 214 reporting peers in Montana.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages High Cholesterol, Hypertension, and Arthritis.
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↓ Fewer patients than average (-12%) — less common here
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↓ Fewer patients than average (-13%) — less common here
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-9%) — less common here
Disrupted blood supply to the brain, requiring urgent medical attention
US avg: 13.4%↑ More patients than average (+25%) — a focus area for this doctor
Conditions affecting emotional state, including depression and bipolar disorder
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%An irregular, often rapid heartbeat that increases the risk of stroke
US avg: 22%↓ Fewer patients than average (-1%) — less common here
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-14%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$1.3k received from industry
7 transactions reported in 2024 ·Moderate tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Ann Marie Collier's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Board certified · Jan 29, 2026
Self-reported via NPPES
17 years in practice
Experienced
Neurologists diagnose and treat disorders of the nervous system including stroke, epilepsy, multiple sclerosis, Parkinson's disease, migraines, neuropathy, and dementia.
Taxonomy: 2084N0400X
Mailing address
1021 W Oakland Ave Ste 310, Johnson City, TN 37604-2192
Differs from practice location
Primary hospital affiliation: Acute Care - Veterans Administration
CMS Certification Number: 22010F
View hospital on Medicare Care CompareVirtual Psychiatry & Neurology Care With Ann Marie Collier
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Ann Marie Collier for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Billings required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Ann Marie Collier
NPI records show Dr. Collier as active with telehealth listed in Billings, MT. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (406) 238-2500.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Ann Marie Collier
Practice Location
801 N 29th St, Billings, MT 59101-0905
Mailing Address
1021 W Oakland Ave Ste 310, Johnson City, TN 37604-2192
This is a provider directory. Contact the office directly to schedule appointments.
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