Margaret R. Hammerschlag, M.D.
NPI 1629053103ActiveIndividual· Pediatrics, Pediatric Infectious Diseases· Brooklyn, NY
Pediatrics, Pediatric Infectious Diseases (M.D.) in Brooklyn, New York, licensed in NY, with an NPI issued in December 2005. Abbott Laboratories was the largest of 4 companies reporting payments in 2025, $4,835 in all, mostly consulting fees.
Overview
| NPI | 1629053103 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 7, 2005 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pediatrics, Pediatric Infectious Diseases Primary | 2080P0208X | 141472-1 | NY |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|
Industry payments (Open Payments)
- 2025$4,835 · 9 payments from 4 companies
- 2024$14,070 · 20 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $4,722 | 6 |
| Pfizer Inc. | $70.34 | 1 |
| Viiv Healthcare Company | $25.70 | 1 |
| Biomerieux Inc | $16.00 | 1 |
What the 2025 payments were for
- Consulting Fee$2,975 · 1 payment
- Travel and Lodging$1,683 · 4 payments
- Food and Beverage$176.20 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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