Mark Laukka, MD
NPI 1538192851 · Gastroenterology Physician · Green Bay, WI
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Laukka, MD is a Gastroenterology Physician provider in Green Bay, WI (NPI 1538192851).
Provider details
- NPI number
- 1538192851
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 35834 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
516 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 122 | $237 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 106 | $72 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 43 | $48 |
| Insertion of Guide Wire With Dilation of Esophagus Using a Flexible Endoscope43248 | 41 | $137 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 34 | $98 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 430 | 427 |
| Omeprazole | 169 | 55 |
| Famotidine | 135 | 59 |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 58 | 53 |
| Pantoprazole Sodium | 56 | 22 |
| Sucralfate | 38 | 17 |
| Linaclotidebrand: Linzess | 32 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,693 across 50 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-09
- Last updated
- 2008-07-28
Frequently asked questions
- What is Mark Laukka's NPI number?
- Mark Laukka's National Provider Identifier (NPI) is 1538192851, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Laukka's specialty?
- Mark Laukka is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Laukka located?
- Mark Laukka's practice location on file with NPPES is 1726 Shawano Ave, Green Bay, WI 54303-3216.
- What is Mark Laukka's phone number?
- The practice phone number listed in the NPPES registry for Mark Laukka is (920) 496-4700.
- Does Mark Laukka accept Medicare?
- Mark Laukka is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Laukka's NPI active?
- Yes — Mark Laukka's NPI (1538192851) is active in the NPPES registry as of the last update on 2008-07-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.