Luis Tan, M.D.
NPI 1578560926ActiveIndividual· Anesthesiology· Catonsville, MD
Anesthesiology (M.D.) with Digestive Disease Associates LLC, practicing in Catonsville, Maryland. Medicare paid $55,406 for services to 495 patients in 2024. Takeda Pharmaceuticals U.S.A., Inc. was the largest of 5 companies reporting payments in 2025, $620.08 in all, mostly food and beverage.
Overview
| NPI | 1578560926 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 30, 2005 |
| Last updated in NPPES | Aug 23, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | D0058336 | MD |
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 - Anesthesiology (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 495 |
|---|---|
| Services billed | 502 across 4 procedure codes |
| Paid by Medicare | $55,406 |
Education and affiliations
| Graduation year | 1987 |
|---|---|
| Medicare specialty | Anesthesiology |
Medical group
- Digestive Disease Associates LLCColumbia, MD · 46 clinicians
Industry payments (Open Payments)
- 2025$620.08 · 24 payments from 5 companies
- 2024$829.90 · 34 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Takeda Pharmaceuticals U.S.A., Inc. | $470.00 | 17 |
| Janssen Biotech, Inc. | $86.49 | 4 |
| Janssen Scientific Affairs, LLC | $33.84 | 1 |
| Amgen Inc. | $15.85 | 1 |
| Madrigal Pharmaceuticals | $13.90 | 1 |
What the 2025 payments were for
- Food and Beverage$620.08 · 24 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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