Pui-Ching Esther Mak, NP-C
NPI 1770899023ActiveIndividual· Nurse Practitioner, Gerontology· Brooklyn, NY
Nurse Practitioner, Gerontology (NP-C) in Brooklyn, New York, licensed in NY, with an NPI issued in August 2010. Part D covered 123 prescriptions written in 2024, 85% of them generic. Madrigal Pharmaceuticals was the largest of 8 companies reporting payments in 2025, $1,284 in all, mostly food and beverage.
Overview
| NPI | 1770899023 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP-C |
| Sole proprietor | Yes |
| NPI issued | Aug 25, 2010 |
| Last updated in NPPES | Apr 15, 2026 |
| Certified by provider | Apr 15, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Gerontology Primary | 363LG0600X | F340472 | 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 |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 123 · 146 30-day fills |
|---|---|
| Patients | 76 |
| Total drug cost | $7,994 |
| Generic share | 85% of claims |
Industry payments (Open Payments)
- 2025$1,284 · 49 payments from 8 companies
- 2024$1,117 · 40 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $400.25 | 13 |
| Janssen Biotech, Inc. | $285.24 | 12 |
| Gilead Sciences, Inc. | $213.14 | 6 |
| Vivus LLC | $166.17 | 8 |
| Abbvie Inc. | $116.02 | 5 |
What the 2025 payments were for
- Food and Beverage$1,233 · 48 payments
- Education$50.95 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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