David Stampfl, MD
NPI 1386711463 · Gastroenterology Physician · Green Bay, WI
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Stampfl, MD is a Gastroenterology Physician provider in Green Bay, WI (NPI 1386711463).
Provider details
- NPI number
- 1386711463
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 27087 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
921 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 177 | $167 |
| Colorectal Cancer Screening; Colonoscopy on Individual Not Meeting Criteria for High RiskG0121 | 161 | $166 |
| Insertion of Guide Wire With Dilation of Esophagus Using a Flexible Endoscope43248 | 149 | $136 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 120 | $90 |
| Diagnostic Exam of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43235 | 88 | $93 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 715 | 708 |
| Pantoprazole Sodium | 674 | 282 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 280 | 279 |
| Sod Sulf/Pot Chloride/Mag Sulfbrand: Sutab | 176 | 172 |
| Omeprazole | 102 | 52 |
| Famotidine | 65 | 28 |
| Sucralfate |
Practice location
Mailing address
Additional practice locations (3)
- 744 S Webster AveGreen Bay, WI 54301-3505Phone: (920) 431-5650Fax: (920) 431-5650
- 2820 Roosevelt RdMarinette, WI 54143-3834Phone: (715) 735-5380Fax: (715) 735-5233
- 820 Arbutus AveOconto, WI 54153-2004Phone: (920) 835-1100Fax: (920) 835-1099
Registry dates
- Enumerated
- 2006-11-30
- Last updated
- 2019-09-30
Frequently asked questions
- What is David Stampfl's NPI number?
- David Stampfl's National Provider Identifier (NPI) is 1386711463, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Stampfl's specialty?
- David Stampfl is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is David Stampfl located?
- David Stampfl's practice location on file with NPPES is 725 S Webster Ave, Green Bay, WI 54301-3504.
- What is David Stampfl's phone number?
- The practice phone number listed in the NPPES registry for David Stampfl is (920) 431-5650.
- Does David Stampfl accept Medicare?
- David Stampfl is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Stampfl's NPI active?
- Yes — David Stampfl's NPI (1386711463) is active in the NPPES registry as of the last update on 2019-09-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.