Marjorie M. Chan, NP
NPI 1174811624ActiveIndividual· Nurse Practitioner· Costa Mesa, CA
Nurse Practitioner (NP) with Gn Medical Associates, Inc and 2 other groups, practicing in Costa Mesa, California. In 2024 Medicare paid $119,027 for 316 patients, and Part D covered 588 of their prescriptions, 85% of them generic. Reprise Biomedical, Inc. reported $28.25 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1174811624 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Jul 19, 2011 |
| Last updated in NPPES | Nov 3, 2021 |
| Certified by provider | Nov 3, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 20829 | CA |
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 - Nurse Practitioner (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 316 |
|---|---|
| Services billed | 1,562 across 7 procedure codes |
| Paid by Medicare | $119,027 |
Part D prescriptions in 2024
| Prescriptions (claims) | 588 · 596 30-day fills |
|---|---|
| Patients | 80 |
| Total drug cost | $31,788 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Gn Medical Associates, IncCorona, CA · 39 clinicians
- Careconnectmd Ca PCCosta Mesa, CA · 27 clinicians
- Care Partners California Medical PCCosta Mesa, CA · 20 clinicians
Other facilities
- Al-Shifa Home Health Care AgencyHome health agency · Anaheim, CA
Industry payments (Open Payments)
- 2025$28.25 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Reprise Biomedical, Inc. | $28.25 | 1 |
What the 2025 payments were for
- Food and Beverage$28.25 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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