Doctor profile · Federal record

Dr. Shannon Gallagher, MD, MPH

Surgery Physician (CMS: General Surgery) · Sturgeon Bay, WI

  • NPI 1124523667
  • Accepts Medicare
  • 8 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1843 Michigan St
Sturgeon Bay, WI 542351007
(920) 746-1060
Mailing address
323 S 18Th Ave
Sturgeon Bay, WI 542351401

Credentials & registration

NPPES · NUCC
NPI registered
March 2018 — 8 yrs on file
Profile last updated
July 27, 2023
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
Wisconsin #82364-20

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124523667. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
14
Distinct HCPCS
1
Medicare allowed
$1,464
HCPCS Description Services Patients Avg allowed
99203 New patient office or other outpatient visit, 30-44 minutes 14 14 $105

In context: peer comparison

Among 1 peers in Sturgeon Bay Surgery Physician, average services per provider: 14. This provider delivers 1.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,408
Transactions
17
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Medtronic, INC. 13 $1,295.17
Smith+Nephew, INC. 2 $60.86
Merck Sharp & Dohme LLC 1 $31.57
Ethicon US, LLC 1 $20.33

By nature of payment

Travel and Lodging
$1,067
Food and Beverage
$341

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
32
Patients
32
Total drug cost
$2,420
Drug Type Claims Patients Total cost
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) Brand 32 32 $2,420

Frequently asked questions

Auto-generated from federal data
What is Dr. Shannon Gallagher's medical specialty?
Dr. Shannon Gallagher practices Surgery Physician in Sturgeon Bay, WI.
Where does Dr. Shannon Gallagher practice?
Dr. Shannon Gallagher practices at 1843 Michigan St, Sturgeon Bay, WI 542351007. Office phone: 9207461060.
What is Dr. Shannon Gallagher's NPI?
Dr. Shannon Gallagher's National Provider Identifier (NPI) is 1124523667, issued by NPPES.
Does Dr. Shannon Gallagher accept Medicare assignment?
Yes. Dr. Shannon Gallagher accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Shannon Gallagher commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.