Adrian Chichuen Au, MD
Retina Specialist (Ophthalmology) Physician · Los Angeles, CA
Adrian Chichuen Au, MD is a retina specialist (ophthalmology) physician with a practice address in Los Angeles, California, and NPI 1124482450, issued on Apr 13, 2016. Check the license (California A152096, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Adrian Chichuen Au
- Credential
- MD
- Primary taxonomy
- Retina Specialist (Ophthalmology) Physician 207WX0107X
- License number
- A152096 CA
Self-reported in NPPES; status is on the state search - Practice location
- 100 Stein Plz, Los Angeles, CA 90095
- Phone
- (310) 825-5000
- Enumerated
- Apr 13, 2016
- Record last updated
- Jul 14, 2023
- Medicare enrollment
- Enrolled (PECOS I20230515002818); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest retina specialist (ophthalmology) physician records → All 205 in California → Look up another NPI →
Also registered at 100 Stein Plz
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- William Astle, MDOphthalmology Physician1700808276
- Saghar Bagheri, MDGlaucoma Specialist (Ophthalmology) Physician1821627399
- Katherine Bergwerk, MDOphthalmology Physician1952323941
Verify Adrian Chichuen Au in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A152096Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% fewer Medicare Part D claims than the average retina specialist (ophthalmology) physician in 2024
415 Medicare Part D claims for 137 beneficiaries, against an average of 620 among the 1,449 providers of this specialty who prescribed in Part D. Brand-name drugs were 37% of claims.
Most prescribed
- Prednisolone Acetate75 claims
- Atropine Sulfate44 claims
- Brimonidine Tartrate37 claims
- Latanoprost37 claims
- Dorzolamide-Timolol32 claims
- Moxifloxacin29 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $346.08
13 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 1,253 providers of this specialty with any payment received $7,667.49 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Jules Stein Eye Institute Medical GroupArcadia, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Adrian Chichuen Au among 205 retina specialist (ophthalmology) physician records in California
Adrian Chichuen Au, MD is one of 205 retina specialist (ophthalmology) physician records with a practice address in California. 98% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 76% of them.
- NPI issued2016 · 76% of these records are older, 20% newer
- In a Medicare fileYes · 98% of these records are
- In the CMS Doctors and Clinicians fileYes · 92% of these records are
- Graduated2016 · median 2007 among the 189 with a school on file
- Record last updated2023 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207WX0107X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Retina Specialist (Ophthalmology) Physician providers in California
There are 205 retina specialist (ophthalmology) physician records in California.
All 205 in California → Every provider in Los Angeles → Retina Specialist (Ophthalmology) Physician nationwide →
The 8 retina specialist (ophthalmology) physician records with the nearest ZIP codes
- Aya Barzelay WollmanLos Angeles, CA 900951093592172
- Kirk Hou, MD, PHDLos Angeles, CA 900951962883025
- Alexander Juhn, M.D.Los Angeles, CA 900951033505219
- Moritz Pettenkofer, MDLos Angeles, CA 900951194455188
- Joseph TranLos Angeles, CA 900891215678586
- Tarek Alasil, MDLos Angeles, CA 900451003072786
- Rodrigo Fernandes, MD, PHDLos Angeles, CA 900331144949306
- Juan Carlos Martinez Camarillo, MDLos Angeles, CA 900331598379208
Common questions
What is Adrian Chichuen Au, MD's NPI number?
Adrian Chichuen Au, MD's National Provider Identifier (NPI) is 1124482450, issued on Apr 13, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Adrian Chichuen Au, MD located?
The NPPES record lists a practice address at 100 Stein Plz, Los Angeles, CA, 90095. Phone: (310) 825-5000. Providers update this record themselves, so call before visiting.
How can I verify Adrian Chichuen Au, MD's license?
NPPES lists California license number A152096, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Adrian Chichuen Au, MD prescribe under Medicare Part D?
In 2024, Adrian Chichuen Au, MD had 415 Medicare Part D claims for 137 beneficiaries; the average among retina specialist (ophthalmology) physician prescribers was 620. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.