Kimberly Ann Cossaro
NPI 1427132018ActiveIndividual· Physician Assistant, Medical· Massapequa, NY
Physician Assistant, Medical with Massapequa Dermatology PLLC, practicing in Massapequa, New York. Their prescriptions cost Medicare Part D more than their services did: $413,069 for 726 claims, against $127,503 paid for services in 2024. Leo Pharma Inc. was the largest of 13 companies reporting payments in 2025, $22,055 in all, mostly speaking and faculty fees.
Overview
| NPI | 1427132018 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Oct 24, 2006 |
| Last updated in NPPES | Jan 10, 2026 |
| Certified by provider | Jan 10, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | 009460 | NY |
| Physician Assistant, Surgical | 363AS0400X | 009460 | NY |
| Physician Assistant | 363A00000X | 009460 | NY |
| Physician Assistant | 363A00000X | MP00119600 | NJ |
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 - Physician Assistant (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 584 |
|---|---|
| Services billed | 4,513 across 51 procedure codes |
| Paid by Medicare | $127,503 |
Part D prescriptions in 2024
| Prescriptions (claims) | 726 · 802 30-day fills |
|---|---|
| Patients | 341 |
| Total drug cost | $413,069 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Massapequa Dermatology PLLCMassapequa, NY · 6 clinicians
Industry payments (Open Payments)
- 2025$22,055 · 76 payments from 13 companies
- 2024$22,988 · 94 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Leo Pharma Inc. | $17,769 | 47 |
| Regeneron Healthcare Solutions, Inc. | $1,662 | 3 |
| Genzyme Corporation | $1,566 | 2 |
| Sanofi-Aventis U.S. LLC | $161.95 | 2 |
| Galderma Laboratories, L.P. | $148.57 | 3 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$13,117 · 12 payments
- Travel and Lodging$3,546 · 4 payments
- Consulting Fee$2,891 · 4 payments
- Food and Beverage$2,239 · 53 payments
- Education$261.94 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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