Cascya Charlot, MD
NPI 1043258726ActiveIndividual· Allergy & Immunology, Allergy· Brooklyn, NY
Allergy & Immunology, Allergy (MD) in Brooklyn, New York, trained at Harvard Medical School (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $192,727 for 488 claims, against $50,833 paid for services in 2024. Ars Pharmaceuticals Operations, Inc. was the largest of 11 companies reporting payments in 2025, $654.59 in all, mostly food and beverage.
Overview
| NPI | 1043258726 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 3, 2006 |
| Last updated in NPPES | Sep 9, 2026 |
| Certified by provider | Sep 9, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology, Allergy Primary | 207KA0200X | 226865 | 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 - Allergy/Immunology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 94 |
|---|---|
| Services billed | 7,564 across 20 procedure codes |
| Paid by Medicare | $50,833 |
Part D prescriptions in 2024
| Prescriptions (claims) | 488 · 609 30-day fills |
|---|---|
| Patients | 119 |
| Total drug cost | $192,727 |
| Generic share | 54% of claims |
Education and affiliations
| Medical school | Harvard Medical School |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Allergy/Immunology |
Industry payments (Open Payments)
- 2025$654.59 · 24 payments from 11 companies
- 2024$380.95 · 16 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ars Pharmaceuticals Operations, Inc. | $165.75 | 4 |
| Genzyme Corporation | $147.24 | 6 |
| Glaxosmithkline, LLC. | $94.02 | 3 |
| Novartis Pharmaceuticals Corporation | $54.45 | 2 |
| Astrazeneca Pharmaceuticals LP | $40.85 | 2 |
What the 2025 payments were for
- Food and Beverage$654.59 · 24 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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