Matthew Sieger, M.D.
NPI 1083807549ActiveIndividual· Anesthesiology· Brooklyn, NY
Anesthesiology (M.D.) in Brooklyn, New York, trained at Icahn School of Medicine at Mount Sinai (class of 2006). Medicare paid $34,614 for services to 341 patients in 2024. Takeda Pharmaceuticals U.S.A., Inc. was the largest of 3 companies reporting payments in 2025, $144.52 in all, mostly food and beverage.
Overview
| NPI | 1083807549 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 19, 2007 |
| Last updated in NPPES | Aug 19, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | 390200000X | NY |
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 - Anesthesiology (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 341 |
|---|---|
| Services billed | 347 across 5 procedure codes |
| Paid by Medicare | $34,614 |
Education and affiliations
| Medical school | Icahn School of Medicine at Mount Sinai |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Anesthesiology |
Medical group
- Gbaa Holdings PLLCWellesley, MA · 21 clinicians
Industry payments (Open Payments)
- 2025$144.52 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Takeda Pharmaceuticals U.S.A., Inc. | $93.75 | 3 |
| Intercept Pharmaceuticals, Inc. | $28.17 | 1 |
| Ardelyx, Inc. | $22.60 | 1 |
What the 2025 payments were for
- Food and Beverage$144.52 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 540 anesthesiologists in Brooklyn · All anesthesiologists in New York