Dr Macy Lieu, DNP - Medicare Nurse Practitioner in Oakland, CA

Dr Macy Lieu, DNP is a medicare enrolled "Nurse Practitioner - Family" in Oakland, California. She graduated from nursing school in 2014 and has 10 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Asian Health Services, John Muir Physician Network and her current practice location is 818 Webster St, Oakland, California. You can reach out to her office (for appointments etc.) via phone at (510) 986-6800.

Dr Macy Lieu is licensed to practice in California (license number 95001977) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1003214503.

Contact Information

Dr Macy Lieu, DNP
818 Webster St,
Oakland, CA 94607-4220
(510) 986-6800
Not Available

Map and Direction




Provider's Profile

Full NameDr Macy Lieu
GenderFemale
SpecialityNurse Practitioner
Experience10 Years
Location818 Webster St, Oakland, California
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Macy Lieu graduated from nursing school in 2014
  NPI Data:
  • NPI Number: 1003214503
  • Provider Enumeration Date: 12/15/2014
  • Last Update Date: 06/06/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 5294055539
  • Enrollment ID: I20150527002546

Medical Identifiers

Medical identifiers for Dr Macy Lieu such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1003214503NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
163W00000XRegistered Nurse 836256 (California)Secondary
363LF0000XNurse Practitioner - Family 95001977 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
John Muir Medical Center - Walnut Creek CampusWalnut creek, CAHospital
Alta Bates Summit Medical CenterOakland, CAHospital
John Muir Medical Center - Concord CampusConcord, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Asian Health Services024427102168
John Muir Physician Network6608789813442

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Macy Lieu allows following entities to bill medicare on her behalf.
Entity NameJohn Muir Physician Network
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1841407665
PECOS PAC ID: 6608789813
Enrollment ID: O20031226000143
Entity NameAsian Health Services
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1841331402
PECOS PAC ID: 0244271021
Enrollment ID: O20050523000209

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Macy Lieu is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Macy Lieu, DNP
650 San Ramon Valley Blvd,
Danville, CA 94526-4022

Ph: (866) 389-2727
Dr Macy Lieu, DNP
818 Webster St,
Oakland, CA 94607-4220

Ph: (510) 986-6800

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.