David A Stampfl, MD
Gastroenterology (CMS) · Green Bay, WI
At a glance
725 S Webster Ave, Green Bay, WI 54301-3504
Published activity: Colonoscopy · Upper gastrointestinal (GI) endoscopy for acid reflux. View counts and coverage
NPPES record updated Sep 30, 2019. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
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Check the official Medicare directory ↗Practice location
725 S Webster AveGreen Bay, WI 54301-3504
Additional reported practice locations
820 Arbutus AveOconto, WI 541532004
Phone: 9208351100
Fax: 9208351099 744 S Webster Ave
Green Bay, WI 543013505
Phone: 9204315650
Fax: 9204315650 2820 Roosevelt Rd
Marinette, WI 541433834
Phone: 7157355380
Fax: 7157355233
Education & affiliations
- Medical / professional school
- Boston University School Of Medicine
- Graduation year
- 1984
- CMS specialties
- Gastroenterology
Practice groups
Reported hospital affiliations
- Bellin Health Oconto Hospital Oconto, WI
- Bellin Memorial Hospital Green Bay, WI
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Colonoscopy | 283 |
| Upper gastrointestinal (GI) endoscopy for acid reflux | 292 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $125.00 |
Reporting companies
| Company | Amount |
|---|---|
| ABBVIE INC. | $125.00 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Gastroenterology (CMS)
- Taxonomy code
- 207RG0100X
- Enumeration date
- Nov 30, 2006
- Record updated
- Sep 30, 2019
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
207RG0100X · Primary
License reported: 27087 WI
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
725 S Webster AveGreen Bay, WI 54301-3504
- Phone
- (920) 431-5650
- Fax
- (920) 433-7400
Mailing address
725 S WEBSTER AVEGREEN BAY, WI 543013504
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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