Dr. Brian Waihun Chou, MD

  • Seattle, WA
  • Ophthalmologist
NPI1467844233PAC ID0840525515
Medicare services, 2024
403
Medicare patients, 2024
169
Part D claims, 2024
89
Publications
11
MIPS score, 2024
94
Practice address
325 9th Avenue, Seattle, WA 98104
Practice phone
Call (206) 744-9535
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Harborview Medical Center

Hospital · Seattle, Washington

See all 5 affiliations

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Dr. Brian Waihun Chou is an ophthalmologist in Seattle, Washington

Dr. Chou practices at Harborview Medical Center in Seattle, Washington, part of University of Washington.

Dr. Chou's NPI, 1467844233, was assigned on March 3, 2015. Dr. Chou graduated from Loma Linda University School Of Medicine in 2018. Dr. Chou holds Washington license MD61393766.

NPI and contact details
Medicare PAC ID
0840525515
NPI enumeration date
March 3, 2015
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(206) 744-9535
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
34
Medical school graduation
2018

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

Dr. Brian Waihun Chou practices at Harborview Medical Center in Seattle, Washington

Dr. Chou's primary practice is Harborview Medical Center, at 325 9th Avenue, Seattle, WA 98104 in King County. The practice phone is (206) 744-9535.

Source: Dmand AI Affiliation Data

Dr. Brian Waihun Chou is affiliated with 4 sites of care and 1 medical group

Dr. Chou's primary practice is Harborview Medical Center in Seattle, Washington, part of University of Washington. Dr. Chou is also affiliated with UW Medical Center - Montlake. The medical group on file is UW Physicians. Dmand AI also links Dr. Chou to 2 more hospitals, each named with a free account.

See all 5 affiliations for Dr. Chou

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

Dmand AI tracks the EHR system at Dr. Brian Waihun Chou's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chou practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Harborview Medical CenterAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Brian Waihun Chou is one of 407 ophthalmologists in Washington

Ophthalmology is Dr. Chou's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Chou is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Chou's licenses on file in 4 states: Washington, Arizona, California and Illinois.

Specialties and state licenses

  • Ophthalmology, WashingtonPrimaryLicense MD61393766 · 2023 to 2026 · taxonomy 207W00000X
  • Arizona license2023 to 2025
  • California license2022 to 2024
  • Illinois license2018 to 2019

Ophthalmologists near Dr. Chou

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. Brian Waihun Chou billed Medicare for 403 services in 2024

CMS data shows 403 Medicare services from Dr. Chou across 10 procedure codes in 2024, for 169 Medicare patients. Medicare paid $20,311 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024403
Medicare patients169
Paid by Medicare$20,311
Procedure codes10

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

  • 2023
  • 2024
Tests and treatments
2023: 502024: 205310%
Office and hospital visits
2023: 252024: 178612%
Other services
2023: 02024: 20

Dr. Chou compared with the Washington median for ophthalmologists, 2024

  • Dr. Chou
  • Washington median
Medicare services
403vs 1,40971% below
Medicare patients
169vs 50867% below
Part D claims
33vs 53794% below

Medians across 418 ophthalmologists in Washington with Dmand AI profiles that report each measure.

Dr. Chou'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. Chou

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

Dr. Brian Waihun Chou treated 169 Medicare patients in 2024, average age 72

CMS counts 169 Medicare patients who saw Dr. Chou in 2024. The largest group is 65 to 74, with 73 patients. 70% of them have high cholesterol, and 69% have high blood pressure. 17% are also on Medicaid. Their average risk score is 1.72, 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. Chou's median patient age at 55, with 59% women.

Medicare patients, 2024169
Average age72
Average risk score1.72
Also on Medicaid17%

Dr. Chou's Medicare patients by age, 2024

Dr. Chou's Medicare patients by sex, 2024

  • Women9355%
  • Men7645%

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

  1. High cholesterol70%
  2. High blood pressure69%
  3. Arthritis47%
  4. Mood disorders38%
  5. Anxiety34%
  6. Depression30%
  7. Diabetes28%
  8. Ischemic heart disease25%

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

Dr. Chou's patients across all payers

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

Patient panel by age, all payers

Median age 55

Patient panel by sex, all payers

  • Women59%
  • Men40%

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

Dr. Brian Waihun Chou wrote 89 Medicare Part D claims in 2024

In 2024, Dr. Chou wrote 89 Medicare Part D claims for 36 patients. 49% of them were for generic drugs. CMS names the drug for 33 of them, across 2 drugs with 11 or more claims each, at $19,204 in total drug cost. In 2023, CMS named 11 claims across 1 drug.

Part D claims, 202489
Drugs named by CMS2
Total drug cost$19,204
Part D patients36

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

  • Generic44 claims49%
  • Brand-name45 claims51%

Dr. Chou'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: 112024: 33200%

Drugs named by CMS: 2 in 2024, 1 in 2023.

See all prescribing by Dr. Chou

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

Dr. Brian Waihun Chou scored 94 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Chou for performance year 2024, reported through an alternative payment model (APM). Dr. Chou accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Chou's MIPS scores, performance year 2024

  • 94of 100Final score
  • 74.6of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

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

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Brian Waihun Chou has 11 publications on record

Dmand AI links 11 papers to Dr. Chou, published from 2013 to 2024. 2013 was the busiest year, with 3. The most frequent topics are Plasmids, Transfection and DNA. Dr. Chou has published most often in Orbit. Dr. Chou's most frequent co-authors are Courtney Erin Francis, MD, Ersilia Anghel, MD and David Alan Bush, MD.

Papers11
Years published2013 to 2024

Dr. Chou's papers by year, 2013 to 2024

Topics Dr. Chou writes about most

  • Plasmids
  • Transfection
  • DNA
  • HeLa Cells
  • Lysine
  • Microscopy, Electron, Transmission
  • Polymers

Dr. Chou's most frequent co-authors

Recent publications by Dr. Chou

See all 11 publications and co-authors

See who Dr. Chou researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chou 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. Brian Waihun Chou received $189 in industry payments from 2021 to 2025

CMS Open Payments shows 3 general payments to Dr. Chou from 3 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $116.

General payments to Dr. Chou by program year, 2021 to 2025

Companies that paid Dr. Chou the most, 2021 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Chou

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

Dr. Brian Waihun Chou graduated from Loma Linda University School Of Medicine

Dr. Chou graduated from Loma Linda University School Of Medicine in 2018.

  1. Medical schoolLoma Linda University School Of Medicine
  2. Board certified in ophthalmologyAmerican Board of Ophthalmology
  3. Board certified in radiation oncologyAmerican Board of Radiology

Source: Dmand AI Professional Profile Data

Dr. Brian Waihun Chou accepts plans from 17 insurance carriers

Dr. Chou is in network with 17 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

Plan types Dr. Chou accepts, by number of carriers

  1. PPO11
  2. HMO9
  3. Medicare9
  4. EPO4
  5. POS3

Source: Dmand AI Insurance Network Data

Sources for Dr. Brian Waihun Chou'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)Clinician Public Reporting: Overall MIPS Performance (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)
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. Brian Waihun Chou

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. Brian Waihun Chou's NPI number?

Dr. Brian Waihun Chou's NPI number is 1467844233. It was assigned on March 3, 2015, and it is active in the NPI Registry.

What kind of doctor is Dr. Brian Waihun Chou?

Dr. Brian Waihun Chou is an ophthalmologist in Seattle, Washington. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. Brian Waihun Chou practice?

Dr. Chou practices at 325 9th Avenue, Seattle, WA 98104. Dr. Chou's primary practice is Harborview Medical Center in Seattle, Washington, part of University of Washington. Dmand AI also links Dr. Chou to 2 hospitals.

What is Dr. Brian Waihun Chou's office phone number?

The practice phone on file for Dr. Chou is (206) 744-9535.

What is Dr. Brian Waihun Chou's medical license number?

Dr. Chou holds Washington license MD61393766, one of the licenses on file in 4 states.

Which states has Dr. Brian Waihun Chou been licensed in?

Dmand AI has state licenses on file for Dr. Chou in Washington (2023 to 2026), Arizona (2023 to 2025), California (2022 to 2024) and Illinois (2018 to 2019).

Which hospitals is Dr. Brian Waihun Chou affiliated with?

Dr. Chou practices at Harborview Medical Center in Seattle, Washington. Dr. Chou is also affiliated with UW Medical Center - Montlake. Dmand AI links Dr. Chou to 2 more hospitals.

What medical group is Dr. Brian Waihun Chou part of?

Dr. Chou is linked to UW Physicians.

Does Dr. Brian Waihun Chou accept Medicare?

Yes. CMS data shows Dr. Chou billed Medicare for 403 services in 2024, and Dr. Chou accepts Medicare assignment.

What is Dr. Brian Waihun Chou's MIPS score?

Dr. Chou's MIPS final score for performance year 2024 is 94 out of 100, reported through an alternative payment model (APM).

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Brian Waihun Chou see?

CMS counts 169 Medicare patients who saw Dr. Chou in 2024, with an average age of 72.

Is Dr. Brian Waihun Chou board certified?

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

What services does Dr. Brian Waihun Chou bill to Medicare?

In 2024, Dr. Chou's most billed Medicare services were eye exam or test (92133), eye exam or test (92083) and eye exam or test (92060).

Where did Dr. Brian Waihun Chou go to medical school?

Dr. Chou graduated from Loma Linda University School Of Medicine in 2018.

What drugs does Dr. Brian Waihun Chou prescribe most?

In 2024 Medicare Part D data, Dr. Chou's most prescribed drugs by claims were Restasis and Pyridostigmine Bromide.

Has Dr. Brian Waihun Chou received payments from drug or device companies?

CMS Open Payments shows $189 in general payments to Dr. Chou from 3 companies from 2021 to 2025. The largest total came from Alcon Laboratories Inc.

How long has Dr. Brian Waihun Chou been practicing?

Dr. Chou graduated from medical school in 2018, 8 years ago.

Does Dr. Brian Waihun Chou do research?

Dmand AI links 11 publications to Dr. Chou, published from 2013 to 2024.

Who does Dr. Brian Waihun Chou publish with?

Dr. Chou's most frequent co-authors are Courtney Erin Francis, MD (3 shared papers), Ersilia Anghel, MD (1 shared paper) and David Alan Bush, MD (1 shared paper).

What insurance does Dr. Brian Waihun Chou accept?

Dr. Chou is in network with 17 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

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