Macy Lieu, DNP
NPI 1003214503ActiveIndividual· Nurse Practitioner, Family· Oakland, CA
Nurse Practitioner, Family (DNP) with John Muir Physician Network and 1 other group, practicing in Oakland, California. Their prescriptions cost Medicare Part D more than their services did: $272,616 for 1,641 claims, against $22,213 paid for services in 2024. Gilead Sciences, Inc. reported $113.08 in payments in 2025, mostly food and beverage. Lists Alta Bates Summit Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1003214503 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DNP |
| Sole proprietor | No |
| NPI issued | Dec 15, 2014 |
| Last updated in NPPES | Jun 6, 2024 |
| Certified by provider | Jun 6, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 95001977 | CA |
| Registered Nurse | 163W00000X | 836256 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 282 |
|---|---|
| Services billed | 430 across 27 procedure codes |
| Paid by Medicare | $22,213 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,641 · 3,636 30-day fills |
|---|---|
| Patients | 435 |
| Total drug cost | $272,616 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical groups
- John Muir Physician NetworkPleasant Hill, CA · 494 clinicians
- Asian Health ServicesOakland, CA · 94 clinicians
Hospital affiliations
- Alta Bates Summit Medical CenterOakland, CA
- Alta Bates Summit Medical Center - Alta Bates CampBerkeley, CA
- Eden Medical CenterCastro Valley, CA
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
Other facilities
- Asian Network Pacific Home Care, IncHome health agency · Oakland, CA
Industry payments (Open Payments)
- 2025$113.08 · 1 payment from 1 company
- 2024$363.29 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $113.08 | 1 |
What the 2025 payments were for
- Food and Beverage$113.08 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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