Adrian Chichuen Au, MD - Medicare Ophthalmology in Los Angeles, CA

Adrian Chichuen Au, MD is a medicare enrolled "Ophthalmology - Retina Specialist" physician in Los Angeles, California. His current practice location is 100 Stein Plz, Los Angeles, California. You can reach out to his office (for appointments etc.) via phone at (310) 825-5000.

Adrian Chichuen Au is licensed to practice in California (license number A152096) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1124482450.

Contact Information

Adrian Chichuen Au, MD
100 Stein Plz,
Los Angeles, CA 90095-1437
(310) 825-5000
Not Available

Map and Direction




Physician's Profile

Full NameAdrian Chichuen Au
GenderMale
SpecialityOphthalmology - Retina Specialist
Location100 Stein Plz, Los Angeles, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1124482450
  • Provider Enumeration Date: 04/13/2016
  • Last Update Date: 07/14/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 4789049370
  • Enrollment ID: I20230515002818

Medical Identifiers

Medical identifiers for Adrian Chichuen Au such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1124482450NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207W00000XOphthalmology A152096 (California)Secondary
207WX0107XOphthalmology - Retina Specialist A152096 (California)Primary

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. Adrian Chichuen Au allows following entities to bill medicare on his behalf.
Entity NameJules Stein Eye Institute Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1326006966
PECOS PAC ID: 5597663740
Enrollment ID: O20031223000884

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. Adrian Chichuen Au 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
Adrian Chichuen Au, MD
5767 W Century Blvd Ste 400,
Los Angeles, CA 90045-5631

Ph: (310) 301-8707
Adrian Chichuen Au, MD
100 Stein Plz,
Los Angeles, CA 90095-1437

Ph: (310) 825-5000

Reviews and Comments


Ophthalmology Doctors in Los Angeles, CA

Victoria Li-ting Tseng, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 200 Stein Plaza #1-340, Los Angeles, CA 90095
Phone: 310-825-5000    
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Practice Location: 200 Stein Plaza #1-340, Los Angeles, CA 90095
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Phone: 323-526-7273    Fax: 323-526-7235

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.