Daniel A. Langer, MD
NPI 1740268481ActiveIndividual· Internal Medicine, Gastroenterology· Loveland, CO
Internal Medicine, Gastroenterology (MD) in Loveland, Colorado, trained at University of Colorado School of Medicine, Denver (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $579,238 for 1,338 claims, against $352,457 paid for services in 2024. Janssen Scientific Affairs, LLC was the largest of 12 companies reporting payments in 2025, $1,080 in all, mostly food and beverage.
Overview
| NPI | 1740268481 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 4, 2006 |
| Last updated in NPPES | Sep 22, 2021 |
| Certified by provider | Sep 22, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 41723 | CO |
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 (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 918 |
|---|---|
| Services billed | 12,555 across 62 procedure codes |
| Paid by Medicare | $352,457 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,338 · 2,389 30-day fills |
|---|---|
| Patients | 594 |
| Total drug cost | $579,238 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | University of Colorado School of Medicine, Denver |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Centers for GastroenterologyLoveland, CO · 38 clinicians
Hospital affiliations
- Longs Peak HospitalLongmont, CO
- Medical Center of the RockiesLoveland, CO
- Poudre Valley HospitalFort Collins, CO
- Uchealth Greeley HospitalGreeley, CO
- Uchealth Yampa Valley Medical CenterSteamboat Springs, CO
Industry payments (Open Payments)
- 2025$1,080 · 41 payments from 12 companies
- 2024$1,030 · 36 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Scientific Affairs, LLC | $243.41 | 2 |
| Abbvie Inc. | $174.90 | 11 |
| Regeneron Healthcare Solutions, Inc. | $123.42 | 5 |
| Janssen Biotech, Inc. | $120.51 | 3 |
| Gilead Sciences, Inc. | $115.93 | 5 |
What the 2025 payments were for
- Food and Beverage$1,049 · 40 payments
- Education$31.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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