DR. ANNIE LAURIE HEERMANS MD
NPI 1386098465
Internal Medicine - Gastroenterology in Kalispell, MT

Active since April 14, 2016PECOS EnrolledAccepts Medicare Assignment
320 SUNNYVIEW LN, KALISPELL, MT 59901(406) 752-7441(406) 257-0304 Get Directions Write a Review

NPPES record last updated: May 22, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 22, 2025, May 1, 2024, Dec 19, 2022 and 1 more (4 updates tracked since 2022).

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

NPI1386098465
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameDR. ANNIE LAURIE HEERMANSCredential: MD
Location Address320 SUNNYVIEW LNKalispell, MT 59901-3129
Mailing Address320 Sunnyview LnKalispell, MT 59901-3129 · (406) 752-7441 · Fax (406) 257-0304
Fax(406) 257-0304
Sole ProprietorNo
Medical School CMSUniversity Of North Dakota School Of MedicineGraduated 2016
Enumeration DateApril 14, 2016
Last NPPES UpdateMay 22, 20254 updates tracked since enumeration
NPPES CertifiedMay 22, 2025
✔ NPI 1386098465 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Licenses✔ Licensed in MN · 79505✔ Licensed in MT · MED-PHYS-LIC-113414
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedInternal MedicineTaxonomy 207R00000X · License MED-PHYS-LIC-113414 (MT)
320 SUNNYVIEW LN, Kalispell, MT 59901

Secondary Practice Locations 2

Location 1420 E 1st StDuluth, MN 55805-1901 · Phone (218) 786-8364
Location 2982055 Nebraska Medical CtrOmaha, NE 68198-2055 · Phone (402) 595-3939

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.

PECOS PAC ID6608161963
PECOS Enrollment IDI20250602001851
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare 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.

Multi-Specialty
1542 GOLF COURSE RD STE 204
Grand Rapids, MN 55744
  • Reassigned Medicare billing, Minnesota enrollment
  • 1,460 clinicians in this Medicare group
Critical Access
3500 TOWER AVE
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.

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
132 services131 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
80 services78 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
58 services57 patients
Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 43249
This procedure involves using a flexible tube with a camera, called an endoscope, to gently expand narrowed areas in your esophagus, stomach, or upper small bowel. A small balloon is inflated, making it easier for food and liquid to pass through. It's safe and effective.
29 services26 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
29 services25 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
29 services26 patients

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, MN
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number240002
Location402 East Second StreetDuluth, MN 55805 · St. Louis County
Emergency services Birthing friendly

Essentia Health Duluth

Acute Care Hospitals · Duluth, MN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number240019
Location502 East Second StreetDuluth, MN 55805 · St. Louis County
Birthing friendly

Logan Health Medical Center

Acute Care Hospitals · Kalispell, MT
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number270051
Location310 Sunnyview LaneKalispell, MT 59901 · Flathead County
Emergency services Birthing friendly

St Marys Hospital Superior

Critical Access Hospitals · Superior, WI
OwnershipVoluntary non-profit - Private
CMS Certification Number521329
Location3500 Tower AveSuperior, WI 54880 · Douglas County
Emergency services

Physician 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.

New Patient
$130.52 typical visit price
range $56.81 – $172.26
Typical copayment $32.63 (range $14.20 – $43.06)
Most-billed visit code 99204
Established Patient
$100.16 typical visit price
range $18.24 – $140.32
Typical copayment $25.04 (range $4.56 – $35.08)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Physician Assistant
320 SUNNYVIEW LN
KALISPELL, MT 59901
Radiology (Diagnostic Radiology)
320 SUNNYVIEW LN
KALISPELL, MT 59901
Radiology (Diagnostic Radiology)
320 SUNNYVIEW LN
KALISPELL, MT 59901
Radiology (Diagnostic Radiology)
320 SUNNYVIEW LN
KALISPELL, MT 59901
General Acute Care Hospital
320 SUNNYVIEW LN
KALISPELL, MT 59901
Physician Assistant (Medical)
320 SUNNYVIEW LN
KALISPELL, MT 59901
Clinic/Center (Genetics)
320 SUNNYVIEW LN
KALISPELL, MT 59901
Genetic Counselor, MS
320 SUNNYVIEW LN
KALISPELL, MT 59901

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.