Annie Heermans, MD
NPI 1386098465 · Gastroenterology Physician · Kalispell, MT
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Annie Heermans, MD is a Gastroenterology Physician provider in Kalispell, MT (NPI 1386098465).
Provider details
- NPI number
- 1386098465
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MED-PHYS-LIC-113414 (MT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
439 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 132 | $250 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 80 | $86 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 58 | $66 |
| Balloon Dilation of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope, Less Than 3.0 Cm43249 | 29 | $125 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 29 | $66 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 69 | 23 |
| Omeprazole | 40 | 17 |
| Dicyclomine Hcl | 20 | — |
| Mesalamine | 17 | — |
| Famotidine | 15 | — |
| Budesonidebrand: Budesonide Dr | 14 | — |
| Lipase/Protease/Amylasebrand: Creon | 13 | — |
Practice location
Mailing address
Additional practice locations (2)
- 420 E 1st StDuluth, MN 55805-1901Phone: (218) 786-8364
- 982055 Nebraska Medical CtrOmaha, NE 68198-2055Phone: (402) 595-3939
Registry dates
- Enumerated
- 2016-04-14
- Last updated
- 2025-05-22
- Certified
- 2025-05-22
Frequently asked questions
- What is Annie Heermans's NPI number?
- Annie Heermans's National Provider Identifier (NPI) is 1386098465, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Annie Heermans's specialty?
- Annie Heermans is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Annie Heermans located?
- Annie Heermans's practice location on file with NPPES is 320 Sunnyview Ln, Kalispell, MT 59901-3129.
- What is Annie Heermans's phone number?
- The practice phone number listed in the NPPES registry for Annie Heermans is (406) 752-7441.
- Does Annie Heermans accept Medicare?
- Annie Heermans is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Annie Heermans's NPI active?
- Yes — Annie Heermans's NPI (1386098465) is active in the NPPES registry as of the last update on 2025-05-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.