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Edit this profileAt a glance
- 1414 W Fair Ave, Suite 247, Marquette, MI 49855
About Dr. Stahl
Based in Marquette, MI, William G. Stahl, M.D. is listed in the NPI registry under gastroenterology. William graduated from Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) in 1988. William is also listed as specializing in internal medicine. According to Medicare claims data, William cared for 330 Medicare patients across 330 services. The services billed most often include moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monit, colorectal cancer screening; colonoscopy on individual at high risk, and removal of polyps or growths of large bowel using an endoscope with mechanical snare. NPI 1265484760 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (906) 225-3880
- Email not available
Practice Locations
1414 W FAIR AVE SUITE 247
Marquette, MI 49855
Conditions Commonly Evaluated or Treated
Within Gastroenterology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Chronic conditions
Liver health
Specialized and cancer
Wound care
Most searched conditions
- Acid reflux
- Celiac disease
- Crohn's disease
- Hemorrhoids
- IBS
- Swallowing difficulties
- Ulcerative colitis
Biliary and pancreas
Colon and anorectal
Esophagus and swallowing
Functional bowel and motility
Liver
- Ascites
- Autoimmune hepatitis
- Cirrhosis
- Fatty liver disease
- Hemochromatosis
- Hepatitis B
- Hepatitis C
- Portal hypertension
Stomach and duodenum
Bowel & Colon
Digestive Symptoms
Gallbladder & Bile Ducts
Procedures & services
Advanced endoscopy
Biliary and pancreatic endoscopy
Capsule and physiology testing
- Ambulatory reflux monitoring
- Capsule endoscopy
- Hydrogen and methane breath testing
- Anorectal manometry
- Esophageal manometry
Chronic illness
Clinical Nutrition
Diagnostic Testing
Digestive
General surgery
Infection & Microbiology Tests
Liver procedures
Lower endoscopy
- Colon polyp removal
- Diagnostic colonoscopy
- Endoscopic control of gastrointestinal bleeding
- Flexible sigmoidoscopy
Nursing care
Nutrition & Digestion
Upper endoscopy
- Endoscopic mucosal resection
- Esophageal biopsy
- Esophageal dilation
- Stomach biopsy
- Endoscopic submucosal dissection
Most searched procedures
Treatments
Procedures Most Often Billed to Medicare
330 services · 330 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
56 | As often as other peers in Gastroenterology |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
23 | As often as other peers in Gastroenterology |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
17 | Less often than most peers in Gastroenterology |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
12 | Less often than most peers in Gastroenterology |
| Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monit | Billing code | G0500 |
153 | More often than most peers in Gastroenterology |
| Colorectal cancer screening; colonoscopy on individual at high risk | Billing code | G0105 |
69 | More than most peers in Gastroenterology |
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.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
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 gastroenterologists in Marquette 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) 8
Other providers in the same specialty who trained at the same institution.
Class of 1988 at Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) 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 MI who bill this service to Medicare most often.
Common questions
What does William G. Stahl specialize in?
William G. Stahl is a gastroenterologist in Marquette, MI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Where is William G. Stahl located?
William G. Stahl is listed at 1414 W Fair Ave Suite 247, Marquette, MI 49855. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is William G. Stahl's phone number?
The number on file is (906) 225-3880. Contact the office directly to confirm availability and scheduling.
NPI registry
What is William G. Stahl's NPI number?
William G. Stahl's National Provider Identifier is 1265484760. 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 William G. Stahl train?
William G. Stahl attended Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc), graduating in 1988. This comes from the CMS National Downloadable File.
CMS public data
How long has William G. Stahl been practicing?
William G. Stahl has 38 years experience. Calculated from a graduation year of 1988, reported in the CMS National Downloadable File.
CMS public data
What does William G. Stahl do most often?
According to Medicare billing data, William G. Stahl performs procedures including removal of polyps or growths of large bowel using an endoscope with mechanical snare, diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope and biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has William G. Stahl confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by William G. Stahl. If this is you, claiming it is free.
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