Peter V. Lang, M.D.
NPI 1861581175ActiveIndividual· Internal Medicine, Gastroenterology· Houston, TX
Internal Medicine, Gastroenterology (M.D.) in Houston, Texas, trained at Northwestern University Feinberg Medical School (class of 1994). Their prescriptions cost Medicare Part D more than their services did: $594,457 for 2,163 claims, against $121,407 paid for services in 2024. Abbvie Inc. was the largest of 12 companies reporting payments in 2025, $1,205 in all, mostly food and beverage.
Overview
| NPI | 1861581175 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 12, 2006 |
| Last updated in NPPES | Dec 17, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | K2164 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 573 |
|---|---|
| Services billed | 3,831 across 76 procedure codes |
| Paid by Medicare | $121,407 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,163 · 5,401 30-day fills |
|---|---|
| Patients | 686 |
| Total drug cost | $594,457 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Hillcroft Medical Clinic AssociationSugar Land, TX · 23 clinicians
Hospital affiliations
- Memorial Hermann - Texas Medical CenterHouston, TX
- Memorial Hermann Hospital SystemHouston, TX
- Memorial Hermann Memorial City HospitalHouston, TX
- Memorial Hermann Sugar Land HospitalSugar Land, TX
Industry payments (Open Payments)
- 2025$1,205 · 50 payments from 12 companies
- 2024$1,117 · 45 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $186.71 | 15 |
| Vivus LLC | $157.01 | 7 |
| Gilead Sciences, Inc. | $152.97 | 9 |
| Ipsen Biopharmaceuticals, Inc | $139.79 | 1 |
| Phathom Pharmaceuticals, Inc. | $135.52 | 1 |
What the 2025 payments were for
- Food and Beverage$1,205 · 50 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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