Doctor profile · Federal record
Dr. Annie Heermans, MD
Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Gastroenterology Physician · Kalispell, MT
- NPI 1386098465
- Accepts Medicare
- 10 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
320 Sunnyview Ln
Kalispell, MT 599013129
(406) 752-7441
fax (406) 257-0304 - Additional location
-
420 E 1St St
Duluth, MN 558051901
(218) 786-8364 - Additional location
-
982055 Nebraska Medical Ctr
Omaha, NE 681982055
(402) 595-3939
Credentials & registration
- NPI registered
- April 2016 — 10 yrs on file
- Profile last updated
- May 22, 2025
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State licenses (2)
- Minnesota #79505 · Montana #MED-PHYS-LIC-113414
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1386098465. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
723
Distinct HCPCS
10
Medicare allowed
$91,628
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 166 | 164 | $248 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 122 | 117 | $83 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 94 | 94 | $99 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 93 | 58 | $60 | |
43249 |
Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | 57 | 52 | $122 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 34 | 25 | $49 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 27 | 27 | $128 | |
91110 |
Imaging of digestive tract done from the inside of the digestive tract | 21 | 20 | $108 | |
G0121 |
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 21 | 21 | $176 | |
91010 |
Study of esophagus to assess movement | 20 | 20 | $63 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 58. This provider delivers 12× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
240
Patients
64
Total drug cost
$29,624
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 74 | 28 | $847 |
| Omeprazole | Generic | 61 | 25 | $729 |
| Linzess (Linaclotide) | Brand | 25 | 0 | $13,794 |
| Creon (Lipase/Protease/Amylase) | Brand | 15 | 0 | $13,357 |
| Dicyclomine Hcl | Generic | 15 | 0 | $90 |
| Famotidine | Generic | 15 | 0 | $338 |
| Loperamide (Loperamide Hcl) | Brand | 12 | 0 | $247 |
| Spironolactone | Generic | 12 | 0 | $152 |
| Metronidazole | Generic | 11 | 11 | $70 |
Frequently asked questions
What is Dr. Annie Heermans's medical specialty?
Dr. Annie Heermans practices Gastroenterology Physician in Kalispell, MT.
Where does Dr. Annie Heermans practice?
Dr. Annie Heermans practices at 320 Sunnyview Ln, Kalispell, MT 599013129. Office phone: 4067527441.
What is Dr. Annie Heermans's NPI?
Dr. Annie Heermans's National Provider Identifier (NPI) is 1386098465, issued by NPPES.
Does Dr. Annie Heermans accept Medicare assignment?
Yes. Dr. Annie Heermans accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Annie Heermans commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.