Doctor profile · Federal record

Dr. William Stahl, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Marquette, MI

  • NPI 1265484760
  • Accepts Medicare
  • 38 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1414 W Fair Ave, Suite 247
Marquette, MI 498552675
(906) 225-3880
fax (906) 225-4523

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
January 28, 2013
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Michigan #4301082866
Medicaid
MI #4994550

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265484760. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
443
Distinct HCPCS
7
Medicare allowed
$44,925
HCPCS Description Services Patients Avg allowed
G0500 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 monito 202 201 $5
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 93 93 $176
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 73 73 $240
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 26 26 $97
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 17 17 $116
45378 Diagnostic exam of large bowel using a flexible endoscope 17 17 $166
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 15 15 $176

In context: peer comparison

Among 2 peers in this city , average services per provider: 52. This provider delivers 8.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
88
Patients
29
Total drug cost
$7,711
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 61 29 $1,760
Mesalamine Generic 14 0 $5,468
Omeprazole Generic 13 0 $483

Frequently asked questions

Auto-generated from federal data
What is Dr. William Stahl's medical specialty?
Dr. William Stahl practices Gastroenterology Physician in Marquette, MI.
Where does Dr. William Stahl practice?
Dr. William Stahl practices at 1414 W Fair Ave, Marquette, MI 498552675. Office phone: 9062253880.
What is Dr. William Stahl's NPI?
Dr. William Stahl's National Provider Identifier (NPI) is 1265484760, issued by NPPES.
Does Dr. William Stahl accept Medicare assignment?
Yes. Dr. William Stahl accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Stahl commonly perform?
Top Medicare-reported procedures in 2023: 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 monito (HCPCS G0500); Colorectal cancer screening; colonoscopy on individual at high risk (HCPCS G0105); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.