Doctor profile · Federal record

Dr. William Ehrhardt, MD

Gastroenterology Physician (CMS: Gastroenterology) · Coon Rapids, MN

  • NPI 1376598185
  • Accepts Medicare
  • 27 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9145 Springbrook Dr Nw Ste 200
Coon Rapids, MN 554335886
(612) 871-1145
fax (612) 870-5491
Mailing address
Po Box 14909
Minneapolis, MN 554140909

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
August 6, 2024
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Wisconsin #42881-020
Medicaid
WI #1376598185

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1376598185. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
912
Distinct HCPCS
10
Medicare allowed
$106,876
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 233 230 $5
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 231 231 $234
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 46 46 $171
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 44 43 $78
36415 Insertion of needle into vein for collection of blood sample 43 25 $8
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 41 41 $89
45380 Biopsy of large bowel using a flexible endoscope 37 37 $108
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 35 35 $171
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 32 22 $75
43249 Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 28 23 $125

In context: peer comparison

Among 7 peers in this city , average services per provider: 136. This provider delivers 6.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
841
Patients
557
Total drug cost
$78,674
Drug Type Claims Patients Total cost
Gavilyte-C (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 405 400 $8,424
Omeprazole Generic 110 39 $1,553
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 54 54 $1,057
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 53 53 $1,392
Azathioprine Generic 46 11 $1,736
Ursodiol Generic 24 0 $6,000
Dicyclomine Hcl Generic 19 0 $681
Budesonide Dr (Budesonide) Brand 18 0 $2,476
Famotidine Generic 18 0 $496
Budesonide Ec (Budesonide) Brand 17 0 $674

Frequently asked questions

Auto-generated from federal data
What is Dr. William Ehrhardt's medical specialty?
Dr. William Ehrhardt practices Gastroenterology Physician in Coon Rapids, MN.
Where does Dr. William Ehrhardt practice?
Dr. William Ehrhardt practices at 9145 Springbrook Dr Nw Ste 200, Coon Rapids, MN 554335886. Office phone: 6128711145.
What is Dr. William Ehrhardt's NPI?
Dr. William Ehrhardt's National Provider Identifier (NPI) is 1376598185, issued by NPPES.
Does Dr. William Ehrhardt accept Medicare assignment?
Yes. Dr. William Ehrhardt accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Ehrhardt 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); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Colorectal cancer screening; colonoscopy on individual at high risk (HCPCS G0105). Source: CMS Medicare Physician & Other Practitioners file.