DR. ANN MARIE COLLIER MD
NPI 1487898458
Psychiatry & Neurology - Neurology in Billings, MT
About Dr. Ann Marie Collier Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANN MARIE COLLIER MD (NPI 1487898458) is an individual neurology provider in Billings, Montana, licensed in Montana (33458) and active in the NPI registry since April 2009. She is enrolled in Medicare PECOS, is affiliated with Adventhealth Murray, and maintains 24 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Locations 24
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Ann Marie Collier Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Areas of Expertise CMS Part B claims 7
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Adventhealth Murray
Acute Care Hospitals · Chatsworth, GARiverside Medical Center
Acute Care Hospitals · Kankakee, ILFreeman Health System - Freeman West
Acute Care Hospitals · Joplin, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 59101 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BILLINGS, MT 59101
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Ann Collier's NPI number?
The NPI number for Ann Collier is 1487898458. It was assigned to this individual provider in the NPPES registry on April 21, 2009. The provider is also known as Ann Marie Potter.
Where is Ann Collier located?
Ann Collier practices at 801 N 29th St, Billings, MT 59101. The listed phone number is (406) 238-2500.
What is Ann Collier's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Ann Collier enrolled in Medicare?
Yes. Ann Collier is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does Ann Collier accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of NC, CareSource, CommunityCare and Florida Blue (BlueCross BlueShield FL) and 3 other insurers list Ann Collier as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Ann Collier affiliated with any hospitals?
According to CMS data, Ann Collier is affiliated with Adventhealth Murray, Riverside Medical Center and Freeman Health System - Freeman West.
When was this NPI record last updated?
The NPPES record for Ann Collier was last updated on June 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 59 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.