Alyssa Ann Maskell, AGPCNP-BC
NPI 1619642634ActiveIndividual· Nurse Practitioner, Gerontology· Los Angeles, CA
Nurse Practitioner, Gerontology (AGPCNP-BC) with Cedars-Sinai Medical Center, practicing in Los Angeles, California. Their prescriptions cost Medicare Part D more than their services did: $319,085 for 484 claims, against $16,121 paid for services in 2024. Janssen Biotech, Inc. was the largest of 5 companies reporting payments in 2025, $554.89 in all, mostly food and beverage. Lists Cedars-Sinai Medical Center as a hospital affiliation.
Overview
| NPI | 1619642634 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | AGPCNP-BC |
| Sole proprietor | Yes |
| NPI issued | Aug 11, 2021 |
| Last updated in NPPES | Jul 5, 2022 |
| Certified by provider | Jul 5, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Gerontology Primary | 363LG0600X | 95018261 | CA |
| Registered Nurse, Medical-Surgical | 163WM0705X | 95139717 | CA |
| Nurse Practitioner | 363L00000X | 95018261 | CA |
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 - Nurse Practitioner (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 70 |
|---|---|
| Services billed | 252 across 6 procedure codes |
| Paid by Medicare | $16,121 |
Part D prescriptions in 2024
| Prescriptions (claims) | 484 · 581 30-day fills |
|---|---|
| Patients | 76 |
| Total drug cost | $319,085 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Cedars-Sinai Medical CenterWest Hollywood, CA · 799 clinicians
Hospital affiliation
- Cedars-Sinai Medical CenterLos Angeles, CA
Industry payments (Open Payments)
- 2025$554.89 · 7 payments from 5 companies
- 2024$672.63 · 8 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $256.89 | 2 |
| E.R. Squibb & Sons, L.L.C. | $120.90 | 1 |
| Abbvie Inc. | $120.17 | 1 |
| Astrazeneca Pharmaceuticals LP | $42.46 | 2 |
| Genmab U.S., Inc. | $14.47 | 1 |
What the 2025 payments were for
- Food and Beverage$554.89 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 45 gerontology nurse practitioners in Los Angeles · All gerontology nurse practitioners in California