Dr. Alexander Thanh Bui, MD

  • Los Angeles, CA
  • Ophthalmologist
NPI1578750261PAC ID4284793068
Medicare services, 2024
19
Medicare patients, 2024
24
Part D claims, 2024
590
Publications
1
Hospital affiliations
1
Practice address
6041 Cadillac Ave, Los Angeles, CA 90034
Practice phone
Call (213) 857-2201
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

West Los Angeles Medical Center

Hospital · Los Angeles, California

See all 3 affiliations

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Dr. Alexander Thanh Bui is an ophthalmologist in Los Angeles, California

Dr. Bui practices at West Los Angeles Medical Center in Los Angeles, California, part of Kaiser Permanente.

Dr. Bui's NPI, 1578750261, was assigned on September 27, 2007. Dr. Bui graduated from University of Miami, Miller School of Medicine in 2001. Dr. Bui holds California license A90640.

NPI and contact details
Medicare PAC ID
4284793068
NPI enumeration date
September 27, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(213) 857-2201
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
51
Medical school graduation
2001

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Alexander Thanh Bui practices at West Los Angeles Medical Center in Los Angeles, California

Dr. Bui's primary practice is West Los Angeles Medical Center, at 6041 Cadillac Ave, Los Angeles, CA 90034 in Los Angeles County. The practice phone is (213) 857-2201.

Source: Dmand AI Affiliation Data

Dr. Alexander Thanh Bui is affiliated with 2 sites of care and 1 medical group

Dr. Bui's primary practice is West Los Angeles Medical Center in Los Angeles, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Bui to 1 more dialysis center, named with a free account.

See all 3 affiliations for Dr. Bui

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Alexander Thanh Bui's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bui practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
West Los Angeles Medical CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Alexander Thanh Bui is one of 2,621 ophthalmologists in California

Ophthalmology is Dr. Bui's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Bui is board certified in ophthalmology by the American Board of Ophthalmology. Dr. Bui is licensed in California.

Specialties and state licenses

  • Ophthalmology, CaliforniaPrimaryLicense A90640 · 2005 to 2027 · taxonomy 207W00000X

Clinical focus

Dmand AI lists age-related macular degeneration, glaucoma, laser destruction of retinal or choroid lesions and retinal occlusion among the conditions Dr. Bui treats.

Ophthalmologists near Dr. Bui

Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Alexander Thanh Bui billed Medicare for 19 services in 2024

CMS data shows 19 Medicare services from Dr. Bui across 1 procedure code in 2024, all of them office visits, for 24 Medicare patients. Medicare paid $1,893 for them. Every service was in an office.

Medicare services, 202419
Medicare patients24
Paid by Medicare$1,893
Procedure codes1

Dr. Bui's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 02024: 19
Tests and treatments
2023: 452024: 0100%

Dr. Bui compared with the California median for ophthalmologists, 2024

  • Dr. Bui
  • California median
Medicare services
19vs 1,07998% below
Medicare patients
24vs 42194% below
Part D claims
552vs 61811% below

Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.

Dr. Bui's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Bui

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Bui and other ophthalmologists in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Alexander Thanh Bui treated 24 Medicare patients in 2024, average age 66

CMS counts 24 Medicare patients who saw Dr. Bui in 2024. The largest group is under 65, with 11 patients. 71% of them have diabetes, and 71% have high blood pressure. 50% are also on Medicaid. Their average risk score is 2.94, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Bui's median patient age at 66, with 64% women.

Medicare patients, 202424
Average age66
Average risk score2.94
Also on Medicaid50%

Dr. Bui's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Dr. Bui's Medicare patients, 2024

  1. Diabetes71%
  2. High blood pressure71%
  3. High cholesterol63%
  4. Chronic kidney disease54%

Share of Medicare patients with each condition. A patient can have several.

Dr. Bui's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 66

Patient panel by sex, all payers

  • Women64%
  • Men35%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Alexander Thanh Bui wrote 590 Medicare Part D claims in 2024

In 2024, Dr. Bui wrote 590 Medicare Part D claims for 170 patients. 81% of them were for generic drugs. CMS names the drug for 552 of them, across 9 drugs with 11 or more claims each, at $11,770 in total drug cost. In 2023, CMS named 513 claims across 9 drugs.

Part D claims, 2024590
Drugs named by CMS9
Total drug cost$11,770
Part D patients170

Dr. Bui's Part D claims by kind of drug, 2024

  • Generic475 claims81%
  • Brand-name115 claims19%

Dr. Bui's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 5132024: 5528%

Drugs named by CMS: 9 in 2024, 9 in 2023.

See all prescribing by Dr. Bui

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. Alexander Thanh Bui takes part in Medicare

Dr. Bui accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Cataract surgery: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Alexander Thanh Bui has 1 publication on record

Dmand AI links 1 paper to Dr. Bui in 2017. Dr. Bui's most frequent co-authors are Parinaz Abiri, MD, Jeffrey John Hsu, MD and Juhyun Lee.

Papers1

Dr. Bui's most frequent co-authors

Recent publications by Dr. Bui

See all 1 publications and co-authors

See who Dr. Bui researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Bui works with, so you can find a warm path to the right ophthalmologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Alexander Thanh Bui received $215 in industry payments from 2016 to 2025

CMS Open Payments shows 2 general payments to Dr. Bui from 2 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $121.

General payments to Dr. Bui by program year, 2016 to 2025

Companies that paid Dr. Bui the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Bui

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Alexander Thanh Bui has 1 award and honors on record

Dmand AI lists 1 award for Dr. Bui, most recently CMS Stage 1 2012 in 2011.

Awards and honors for Dr. Bui

  1. 2011
    • CMS Stage 1 2012

Source: Dmand AI Professional Profile Data

Dr. Alexander Thanh Bui graduated from University of Miami, Miller School of Medicine

Dr. Bui graduated from University of Miami, Miller School of Medicine in 2001.

  1. Medical schoolUniversity of Miami, Miller School of Medicine
  2. Board certified in ophthalmologyAmerican Board of Ophthalmology

Source: Dmand AI Professional Profile Data

Dr. Alexander Thanh Bui accepts plans from 2 insurance carriers

Dr. Bui is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • Kaiser Permanente
  • CMS Medicare

Plan types Dr. Bui accepts, by number of carriers

  1. EPO1
  2. HMO1
  3. Medicare1
  4. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Alexander Thanh Bui's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Alexander Thanh Bui

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Alexander Thanh Bui's NPI number?

Dr. Alexander Thanh Bui's NPI number is 1578750261. It was assigned on September 27, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Alexander Thanh Bui?

Dr. Alexander Thanh Bui is an ophthalmologist in Los Angeles, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. Alexander Thanh Bui practice?

Dr. Bui practices at 6041 Cadillac Ave, Los Angeles, CA 90034. Dr. Bui's primary practice is West Los Angeles Medical Center in Los Angeles, California, part of Kaiser Permanente. Dmand AI also links Dr. Bui to 1 dialysis center.

What is Dr. Alexander Thanh Bui's office phone number?

The practice phone on file for Dr. Bui is (213) 857-2201.

What is Dr. Alexander Thanh Bui's medical license number?

Dr. Bui holds California license A90640.

Which hospitals is Dr. Alexander Thanh Bui affiliated with?

Dr. Bui practices at West Los Angeles Medical Center in Los Angeles, California.

What medical group is Dr. Alexander Thanh Bui part of?

Dr. Bui is linked to Southern California Permanente Medical Group.

Does Dr. Alexander Thanh Bui accept Medicare?

Yes. CMS data shows Dr. Bui billed Medicare for 19 services in 2024, and Dr. Bui accepts Medicare assignment.

How many Medicare patients does Dr. Alexander Thanh Bui see?

CMS counts 24 Medicare patients who saw Dr. Bui in 2024, with an average age of 66.

Is Dr. Alexander Thanh Bui board certified?

Yes. Dr. Bui is board certified in ophthalmology by the American Board of Ophthalmology.

Show 8 more questionsShow fewer questions

What services does Dr. Alexander Thanh Bui bill to Medicare?

In 2024, Dr. Bui's most billed Medicare services were office visit, established patient (99214).

Where did Dr. Alexander Thanh Bui go to medical school?

Dr. Bui graduated from University of Miami, Miller School of Medicine in 2001.

What drugs does Dr. Alexander Thanh Bui prescribe most?

In 2024 Medicare Part D data, Dr. Bui's most prescribed drugs by claims were Latanoprost, Prednisolone Acetate and Dorzolamide-Timolol.

Has Dr. Alexander Thanh Bui received payments from drug or device companies?

CMS Open Payments shows $215 in general payments to Dr. Bui from 2 companies from 2016 to 2025. The largest total came from Alcon Laboratories Inc.

How long has Dr. Alexander Thanh Bui been practicing?

Dr. Bui graduated from medical school in 2001, 25 years ago.

Does Dr. Alexander Thanh Bui do research?

Dmand AI links 1 publication to Dr. Bui.

Who does Dr. Alexander Thanh Bui publish with?

Dr. Bui's most frequent co-authors are Parinaz Abiri, MD (1 shared paper), Jeffrey John Hsu, MD (1 shared paper) and Juhyun Lee (1 shared paper).

What insurance does Dr. Alexander Thanh Bui accept?

Dr. Bui is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

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