William D. Zeichner, MD
NPI 1043751472ActiveIndividual· Anesthesiology· Towson, MD
Anesthesiology (MD) in Towson, Maryland, trained at Louisiana State University School of Medicine in Shreveport (class of 2017). Medicare paid $33,985 for services to 203 patients in 2024. Merck Sharp & Dohme LLC reported $52.57 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1043751472 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 18, 2017 |
| Last updated in NPPES | Nov 23, 2021 |
| Certified by provider | Sep 9, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | D0091240 | 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 - Anesthesiology (DC); Practitioner - Anesthesiology (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 203 |
|---|---|
| Services billed | 229 across 55 procedure codes |
| Paid by Medicare | $33,985 |
Education and affiliations
| Medical school | Louisiana State University School of Medicine in Shreveport |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Anesthesiology |
Medical group
- Gbmc Hospital Based Services LLCBaltimore, MD · 44 clinicians
Hospital affiliation
- Greater Baltimore Medical CenterBaltimore, MD
Industry payments (Open Payments)
- 2025$52.57 · 2 payments from 1 company
- 2024$19.66 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $52.57 | 2 |
What the 2025 payments were for
- Food and Beverage$52.57 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 88 anesthesiologists in Towson · All anesthesiologists in Maryland