Andrzej Jerzy Janecki, M.D.
NPI 1871591263ActiveIndividual· Internal Medicine, Gastroenterology· Katy, TX
Internal Medicine, Gastroenterology (M.D.) in Katy, Texas, licensed in TX, with an NPI issued in July 2005. Their prescriptions cost Medicare Part D more than their services did: $487,815 for 724 claims, against $25,568 paid for services in 2024. Abbvie Inc. was the largest of 3 companies reporting payments in 2025, $243.03 in all, mostly food and beverage. Lists Memorial Hermann Katy Hospital as a hospital affiliation.
Overview
| NPI | 1871591263 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 11, 2005 |
| Last updated in NPPES | Nov 9, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | K3282 | TX |
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 (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 151 |
|---|---|
| Services billed | 326 across 19 procedure codes |
| Paid by Medicare | $25,568 |
Part D prescriptions in 2024
| Prescriptions (claims) | 724 · 1,792 30-day fills |
|---|---|
| Patients | 170 |
| Total drug cost | $487,815 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1977 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Hospital affiliation
- Memorial Hermann Katy HospitalKaty, TX
Industry payments (Open Payments)
- 2025$243.03 · 16 payments from 3 companies
- 2024$324.77 · 20 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $188.06 | 14 |
| Janssen Biotech, Inc. | $40.77 | 1 |
| Pfizer Inc. | $14.20 | 1 |
What the 2025 payments were for
- Food and Beverage$243.03 · 16 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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