Diane Pham
NPI 1538799820ActiveIndividual· Nurse Practitioner, Family· Santa Ana, CA
Nurse Practitioner, Family with Hoag Clinic, practicing in Santa Ana, California. Their prescriptions cost Medicare Part D more than their services did: $271,491 for 2,537 claims, against $20,830 paid for services in 2024. Amgen Inc. reported $120.39 in payments in 2024, mostly food and beverage. Lists Hoag Memorial Hospital Presbyterian as a hospital affiliation.
Overview
| NPI | 1538799820 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Jan 25, 2020 |
| Last updated in NPPES | Jan 6, 2023 |
| Certified by provider | Jan 6, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 95018390 | 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 | 224 |
|---|---|
| Services billed | 406 across 29 procedure codes |
| Paid by Medicare | $20,830 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,537 · 6,130 30-day fills |
|---|---|
| Patients | 1,162 |
| Total drug cost | $271,491 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Hoag ClinicNewport Beach, CA · 460 clinicians
Hospital affiliation
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
Industry payments (Open Payments)
- 2024$120.39 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $120.39 | 1 |
What the 2024 payments were for
- Food and Beverage$120.39 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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