Gabriel David Lang, MD
NPI 1437468857ActiveIndividual· Internal Medicine, Gastroenterology· Saint Louis, MO
Internal Medicine, Gastroenterology (MD) with Washington University, practicing in Saint Louis, Missouri. In 2024 Medicare paid $125,499 for 432 patients, and Part D covered 809 of their prescriptions, 87% of them generic. Boston Scientific Corporation was the largest of 6 companies reporting payments in 2025, $14,919 in all, mostly speaking and faculty fees. Lists Barnes Jewish Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1437468857 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 3, 2010 |
| Last updated in NPPES | Apr 17, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 2015010235 | MO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 432 |
|---|---|
| Services billed | 937 across 57 procedure codes |
| Paid by Medicare | $125,499 |
Part D prescriptions in 2024
| Prescriptions (claims) | 809 · 1,130 30-day fills |
|---|---|
| Patients | 354 |
| Total drug cost | $177,398 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical group
- Washington UniversitySaint Louis, MO · 3,029 clinicians
Hospital affiliations
- Barnes Jewish HospitalSaint Louis, MO
- Barnes-Jewish West County HospitalCreve Coeur, MO
- Memorial HospitalBelleville, IL
- Missouri Baptist Medical CenterSaint Louis, MO
- Progress West HospitalOfallon, MO
Industry payments (Open Payments)
- 2025$14,919 · 27 payments from 6 companies
- 2024$1,414 · 11 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $12,441 | 18 |
| Conmed Corporation | $1,880 | 4 |
| Olympus America Inc. | $280.25 | 2 |
| Cook Medical LLC | $153.84 | 1 |
| Steris Corporation | $92.23 | 1 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$10,625 · 4 payments
- Consulting Fee$1,720 · 2 payments
- Travel and Lodging$1,296 · 6 payments
- Food and Beverage$1,278 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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