DR. ANNIE LAURIE HEERMANS MD
NPI 1386098465
Internal Medicine - Gastroenterology in Kalispell, MT
About Dr. Annie Laurie Heermans Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANNIE LAURIE HEERMANS MD (NPI 1386098465) is an individual gastroenterology provider in Kalispell, Montana, licensed in Minnesota (79505) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, is affiliated with Essentia Health St Mary's Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Annie Laurie Heermans 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.
Medicare Billing Reassignments
2Medicare enrollment records show Annie Heermans reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Grand Rapids, MN 55744
- Reassigned Medicare billing, Minnesota enrollment
- 1,460 clinicians in this Medicare group
Superior, WI 54880
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: St Marys Hospital Of Superior
- 381 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 11
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Essentia Health St Mary's Medical Center
Acute Care Hospitals · Duluth, MNEssentia Health Duluth
Acute Care Hospitals · Duluth, MNLogan Health Medical Center
Acute Care Hospitals · Kalispell, MTSt Marys Hospital Superior
Critical Access Hospitals · Superior, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 59901 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.
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 Annie Heermans's NPI number?
The NPI number for Annie Heermans is 1386098465. It was assigned to this individual provider in the NPPES registry on April 14, 2016.
Where is Annie Heermans located?
Annie Heermans practices at 320 Sunnyview Ln, Kalispell, MT 59901. The listed phone number is (406) 752-7441.
What is Annie Heermans's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Annie Heermans enrolled in Medicare?
Yes. Annie Heermans 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.
Which organizations bill Medicare for Annie Heermans's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Annie Heermans reassigns Medicare benefits to 2 organizations: The Duluth Clinic Ltd (Grand Rapids, MN) and St. Mary's Hospital Of Superior (Superior, WI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Annie Heermans's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Annie Heermans accept?
Health plans from Anthem Blue Cross and Blue Shield, HealthPartners, Sanford Health Plan and Security Health Plan list Annie Heermans 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 Annie Heermans affiliated with any hospitals?
According to CMS data, Annie Heermans is affiliated with Essentia Health St Mary's Medical Center, Essentia Health Duluth, Logan Health Medical Center and St Marys Hospital Superior.
When was this NPI record last updated?
The NPPES record for Annie Heermans was last updated on May 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.