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SHANNON JAMES GALLAGHER MD, MPH
NPI 1124523667
Surgery in Sturgeon Bay, WI

Active since March 27, 2018PECOS EnrolledAccepts Medicare Assignment
1843 MICHIGAN ST, STURGEON BAY, WI 54235(920) 746-1060 Get Directions Write a Review

NPPES record last updated: July 27, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 27, 2023, May 23, 2023, Mar 27, 2018 (3 updates tracked since 2018).

About Shannon James Gallagher Md, Mph NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SHANNON JAMES GALLAGHER MD, MPH (NPI 1124523667) is an individual surgery provider in Sturgeon Bay, Wisconsin, licensed in Wisconsin (82364-20) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with Door County Medical Center, and is a graduate of University Of Wisconsin School Of Medicine (2018).

NPPES Registry Identity

NPI1124523667
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameSHANNON JAMES GALLAGHERCredential: MD, MPH
Location Address1843 MICHIGAN STSturgeon Bay, WI 54235-1007
Mailing Address323 S 18th AveSturgeon Bay, WI 54235-1401 · (920) 743-5566
Phone(920) 746-1060
Sole ProprietorNo
Medical School CMSUniversity Of Wisconsin School Of MedicineGraduated 2018
Enumeration DateMarch 27, 2018
Last NPPES UpdateJuly 27, 20233 updates tracked since enumeration
NPPES CertifiedJuly 27, 2023
✔ NPI 1124523667 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in WI · 82364-20
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
1843 MICHIGAN ST, Sturgeon Bay, WI 54235
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare) and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Shannon James Gallagher Md, Mph is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1153679121
PECOS Enrollment IDI20230815004150
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Shannon Gallagher reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Door County Memorial Hospital
0.2 mi
Critical Access
323 S 18TH AVE
Sturgeon Bay, WI 54235
  • Reassigned Medicare billing, Wisconsin enrollment
  • 131 clinicians in this Medicare group
NPI 1093743874 (920) 743-5566
Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc.
89 mi
Clinic/Center
1660 SUE ALAN DR
Wittenberg, WI 54499
  • Reassigned Medicare billing, Wisconsin enrollment
  • 935 clinicians in this Medicare group
NPI 1114696507 (715) 253-2110
Aspirus Stevens Point Hospital & Clinics, Inc.
110 mi
General Practice
3500 HOOVER RD
Stevens Point, WI 54481
  • Reassigned Medicare billing, Wisconsin enrollment
  • 619 clinicians in this Medicare group
NPI 1184082745 (715) 342-7900

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
34 services34 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
33 services31 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
24 services20 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
24 services22 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
16 services16 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Door County Medical Center

Critical Access Hospitals · Sturgeon Bay, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number521358
Location323 South 18th AvenueSturgeon Bay, WI 54235 · Door County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54235 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$82.92 typical visit price
range $53.90 – $163.24
Typical copayment $20.73 (range $13.47 – $40.81)
Most-billed visit code 99203
Established Patient
$67.37 typical visit price
range $17.40 – $133.76
Typical copayment $16.84 (range $4.35 – $33.44)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Patient Reviews User submitted

Reviews are submitted by site visitors and approved by a human moderator before publication.

Review by Debbie March 7, 2024

5/5
Dr. G. Is kind and informed. He explained my procedure in detail. Very pleased
Provider 5/5 Office Staff 5/5
Visited this provider? Share your experience.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KATHRYN ELIZABETH MEHLBERG RN
Registered Nurse
1843 MICHIGAN ST
STURGEON BAY, WI 54235
Door County (920) 746-1060
MOLLIE PFEIFER PETERSEN PAC
Physician Assistant
1843 MICHIGAN ST
STURGEON BAY, WI 54235
Door County (920) 746-1060
LAKE SIDE SURGICAL ASSOCIATES SC
Specialist
1843 MICHIGAN ST
STURGEON BAY, WI 54235
Door County (920) 746-1060
NEIL WALTER KLEMAN DO
Surgery
1843 MICHIGAN ST
STURGEON BAY, WI 54235
Door County (920) 746-1060
JOHN HERLACHE MD
Specialist
1843 MICHIGAN ST
STURGEON BAY, WI 54235
Door County (920) 746-1060
SHAUN J MELARVIE M.D.
Surgery
1843 MICHIGAN ST
STURGEON BAY, WI 54235
Door County (920) 746-1060

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Shannon Gallagher's NPI number?

The NPI number for Shannon Gallagher is 1124523667. It was assigned to this individual provider in the NPPES registry on March 27, 2018.

Where is Shannon Gallagher located?

Shannon Gallagher practices at 1843 Michigan St, Sturgeon Bay, WI 54235. The listed phone number is (920) 746-1060.

What is Shannon Gallagher's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Shannon Gallagher enrolled in Medicare?

Yes. Shannon Gallagher is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Shannon Gallagher's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Shannon Gallagher reassigns Medicare benefits to 3 organizations: Door County Memorial Hospital (Sturgeon Bay, WI), Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc. (Wittenberg, WI) and Aspirus Stevens Point Hospital & Clinics, Inc. (Stevens Point, WI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Shannon Gallagher's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Shannon Gallagher accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), Dean Health Plan and HealthPartners and 2 other insurers list Shannon Gallagher as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Shannon Gallagher affiliated with any hospitals?

According to CMS data, Shannon Gallagher is affiliated with Door County Medical Center.

When was this NPI record last updated?

The NPPES record for Shannon Gallagher was last updated on July 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.