Louis A. Salas, M.D.
NPI 1164420154ActiveIndividual· Internal Medicine, Gastroenterology· Catonsville, MD
Internal Medicine, Gastroenterology (M.D.) in Catonsville, Maryland, trained at University Central del Caribe Escuela de Medicina (class of 1987). 717 Medicare patients in 2024, $267,760 paid; nearly all of their 989 Part D prescriptions were generic (94%). Pfizer Inc. was the largest of 4 companies reporting payments in 2025, $147.82 in all, mostly food and beverage.
Overview
| NPI | 1164420154 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 13, 2005 |
| Last updated in NPPES | Aug 8, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | D0037913 | MD |
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 (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 717 |
|---|---|
| Services billed | 8,871 across 30 procedure codes |
| Paid by Medicare | $267,760 |
Part D prescriptions in 2024
| Prescriptions (claims) | 989 · 2,325 30-day fills |
|---|---|
| Patients | 269 |
| Total drug cost | $152,415 |
| Generic share | 94% of claims |
Education and affiliations
| Medical school | University Central del Caribe Escuela de Medicina |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Chesapeake Digestive Associates, PCColumbia, MD · 38 clinicians
Hospital affiliation
- Saint Agnes HospitalBaltimore, MD
Industry payments (Open Payments)
- 2025$147.82 · 6 payments from 4 companies
- 2024$217.17 · 10 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $43.50 | 2 |
| Abbvie Inc. | $42.60 | 2 |
| Micro-Tech Endoscopy USA, Inc. | $32.02 | 1 |
| Takeda Pharmaceuticals U.S.A., Inc. | $29.70 | 1 |
What the 2025 payments were for
- Food and Beverage$147.82 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 15 gastroenterologists in Catonsville · All gastroenterologists in Maryland