Cassandra Lai Mellinger
NPI 1811647803ActiveIndividual· Obstetrics & Gynecology· San Ramon, CA
Obstetrics & Gynecology in San Ramon, California, licensed in CA, with an NPI issued in March 2022. Part D covered 22 prescriptions written in 2024, 64% of them generic. Organon LLC reported $121.98 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1811647803 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Mar 24, 2022 |
| Last updated in NPPES | Aug 6, 2026 |
| Certified by provider | Aug 6, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 20A25423 | 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 - Obstetrics/Gynecology (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 22 · 38 30-day fills |
|---|---|
| Patients | 14 |
| Total drug cost | $1,919 |
| Generic share | 64% of claims |
Industry payments (Open Payments)
- 2024$121.98 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Organon LLC | $121.98 | 1 |
What the 2024 payments were for
- Food and Beverage$121.98 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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