Physician Profile
Unclaimed ProfileAbout SIMPSON
William Gibson Simpson, M.D. is a healthcare provider in Kalispell, MT specialising in gastroenterology. William trained at University of Kentucky College of Medicine, graduating in 1998.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What does Dr. Simpson specialise in?
Dr. Simpson is a gastroenterology in Kalispell, MT. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
Where is Dr. Simpson located?
Dr. Simpson is listed at 320 SUNNYVIEW LN, Kalispell, MT 59901. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Simpson's phone number?
The number on file is (406) 752-7441. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Simpson's NPI number?
Dr. Simpson's National Provider Identifier is 1487655346. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Simpson go to medical school?
Dr. Simpson attended University of Kentucky College of Medicine, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Simpson been practising?
Dr. Simpson has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Simpson do most often?
According to Medicare billing data, Dr. Simpson performs procedures including removal of polyps or growths of large bowel using an endoscope with mechanical snare, balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm and biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope; provides treatments such as measurement of liver stiffness and imaging of digestive tract done from the inside of the digestive tract, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Simpson confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Simpson. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (406) 752-7441
- Email not available
Practice Locations
320 SUNNYVIEW LN
Kalispell, MT 59901
Procedures Most Often Billed to Medicare
884 services · 847 patients · 20 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
156 |
| Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | Procedure | 43249 |
107 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
99 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
59 |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
42 |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
25 |
| Measurement of liver stiffness | Treatment | 91200 |
28 |
| Imaging of digestive tract done from the inside of the digestive tract | Treatment | 91110 |
24 |
| Monitoring and recording of esophageal function through a capsule attached to the esophagus wall | Treatment | 91035 |
21 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
51 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other gastroenterology specialists at this location 4
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other gastroenterology specialists in Kalispell 2
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of Kentucky College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1998 at University of Kentucky College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of polyps or growths of large bowel using an endoscope with mechanical snare 8
Providers in MT who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.