Physician Profile
Unclaimed ProfileAbout SHEAR
Based in Casper, WY, William S Shear, MD is listed in the NPI registry under gastroenterology. William graduated from University of Arizona College of Medicine in 2004. According to Medicare claims data, William cared for 986 Medicare patients across 1,030 services.
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
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (307) 333-0002
- Email not available
Practice Locations
1026 E 2ND ST
Casper, WY 82601
Procedures Most Often Billed to Medicare
1,030 services · 986 patients · 17 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
175 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
135 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
127 |
| Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | Procedure | 43249 |
77 |
| Injection beneath lining of large bowel using a flexible endoscope | Procedure | 45381 |
18 |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
18 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
105 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
89 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
83 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
66 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related 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 2
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 Casper 4
Same specialty, same city.
More connections — 19 related providers in 3 groups
Trained at University of Arizona College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2004 at University of Arizona College of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 4
Providers in WY who bill this service to Medicare most often.
Common questions
What is Dr. Shear's specialty?
Dr. Shear is a gastroenterology in Casper, WY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
Where can I find Dr. Shear?
Dr. Shear is listed at 1026 E 2ND ST, Casper, WY 82601. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Shear?
The number on file is (307) 333-0002. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Shear's NPI number?
Dr. Shear's National Provider Identifier is 1053523878. 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
What is Dr. Shear's medical education?
Dr. Shear attended University of Arizona College of Medicine, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Shear been practicing?
Dr. Shear has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Shear known for?
According to Medicare billing data, Dr. Shear performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, removal of polyps or growths of large bowel using an endoscope with mechanical snare and biopsy of large bowel using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Shear confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Shear. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.