Dr. John Chuwon Choi, MD

  • Warrenville, IL
  • Ophthalmologist
NPI1699765230PAC ID4082717921
Medicare services, 2024
1,592
Medicare patients, 2024
239
Part D claims, 2024
1,025
Publications
31
MIPS score, 2024
75
Practice address
28375 Davis Pkwy Ste 905, Warrenville, IL 60555-3030
Practice phone
Call (630) 836-1616
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

The Eye and Facial Clinic

Physician office · Warrenville, Illinois

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Dr. John Chuwon Choi is an ophthalmologist in Warrenville, Illinois

Dr. Choi practices at The Eye and Facial Clinic in Warrenville, Illinois.

Dr. Choi's NPI, 1699765230, was assigned on October 25, 2005. Dr. Choi graduated from Harvard Medical School in 1990.

NPI and contact details
Medicare PAC ID
4082717921
NPI enumeration date
October 25, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(630) 836-1616
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
62
Medical school graduation
1990

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

Dr. John Chuwon Choi practices at The Eye and Facial Clinic in Warrenville, Illinois

Dr. Choi's primary practice is The Eye and Facial Clinic, at 28375 Davis Pkwy Ste 905, Warrenville, IL 60555-3030. The practice phone is (630) 836-1616.

  • The Eye and Facial Clinic
    28375 Davis Pkwy Ste 905, Warrenville, IL 60555-3030Phone(630) 836-1616

Source: Dmand AI Affiliation Data

Dr. John Chuwon Choi is affiliated with 3 sites of care

Dr. Choi's primary practice is The Eye and Facial Clinic in Warrenville, Illinois. Dr. Choi is also affiliated with Northwestern Medicine Central DuPage Hospital. Dmand AI also links Dr. Choi to 1 more hospital, named with a free account.

See all 3 affiliations for Dr. Choi

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. John Chuwon Choi's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Choi practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
The Eye and Facial ClinicAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John Chuwon Choi is one of 692 ophthalmologists in Illinois

Ophthalmology is Dr. Choi's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Choi is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Choi's licenses on file in 3 states: Illinois, California and Massachusetts.

Specialties and state licenses

  • Ophthalmology, Illinois1999 to 2026 · taxonomy 207W00000X
  • California licenseSince 1992
  • Massachusetts license1994 to 2000

Clinical focus

Dmand AI lists cataract, conjunctivitis, dry eye, eye infection or inflammation, eyelid inflammation, glaucoma and visual impairment and blindness among the conditions Dr. Choi treats.

Ophthalmologists near Dr. Choi

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

692ophthalmologists in Illinois
2ophthalmologists in Warrenville

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

Dr. John Chuwon Choi billed Medicare for 1,592 services in 2024

CMS data shows 1,592 Medicare services from Dr. Choi across 16 procedure codes in 2024, for 239 Medicare patients. Medicare paid $82,228 for them. Every service was in an office.

Medicare services, 20241,592
Medicare patients239
Paid by Medicare$82,228
Procedure codes16

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

  • 2023
  • 2024
Drugs given in the office
2023: 4082024: 4367%
Office and hospital visits
2023: 3862024: 4209%
Tests and treatments
2023: 4062024: 4001%
Surgery
2023: 3692024: 3369%

Dr. Choi compared with the Illinois median for ophthalmologists, 2024

  • Dr. Choi
  • Illinois median
Medicare services
1,592vs 1,544Close to median
Medicare patients
239vs 57759% below
Part D claims
974vs 58267% above

Medians across 710 ophthalmologists in Illinois with Dmand AI profiles that report each measure.

Dr. Choi'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. Choi

Need commercial claims for Dr. Choi?

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

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

Dr. John Chuwon Choi treated 239 Medicare patients in 2024, average age 76

CMS counts 239 Medicare patients who saw Dr. Choi in 2024. The largest group is 65 to 74, with 106 patients. 75% of them have high cholesterol, and 66% have high blood pressure. Their average risk score is 0.97, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Choi's median patient age at 71, with 65% women.

Medicare patients, 2024239
Average age76
Average risk score0.97

Dr. Choi's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Choi's Medicare patients by sex, 2024

  • Women15665%
  • Men8335%

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

  1. High cholesterol75%
  2. High blood pressure66%
  3. Arthritis46%
  4. Diabetes26%
  5. Osteoporosis22%
  6. Anxiety21%
  7. Chronic kidney disease21%
  8. Ischemic heart disease21%

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

Dr. Choi's patients across all payers

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

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women65%
  • Men34%

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

Dr. John Chuwon Choi wrote 1,025 Medicare Part D claims in 2024

In 2024, Dr. Choi wrote 1,025 Medicare Part D claims for 240 patients. 69% of them were for generic drugs. CMS names the drug for 974 of them, across 13 drugs with 11 or more claims each, at $142,461 in total drug cost. In 2023, CMS named 855 claims across 14 drugs.

Part D claims, 20241,025
Drugs named by CMS13
Total drug cost$142,461
Part D patients240

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

  • Generic709 claims69%
  • Brand-name316 claims31%

Dr. Choi'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.

Drug classes CMS tracks in Dr. Choi's Part D claims, 2024

  • Opioids2%23 of 1,025 claims
  • Antibiotics8%82 of 1,025 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 8552024: 97414%

Drugs named by CMS: 13 in 2024, 14 in 2023.

See all prescribing by Dr. Choi

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. John Chuwon Choi scored 75 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Choi for performance year 2024, reported individually. Dr. Choi accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes
MIPS final score, 2024
75 of 100

Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Removal or shaving of skin growth: 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. John Chuwon Choi has 31 publications on record

Dmand AI links 31 papers to Dr. Choi, published from 2016 to 2021. 2019 was the busiest year, with 7. The most frequent topics are Brain Neoplasms, Glioblastoma and Mice, Inbred C57BL. Dr. Choi has published most often in Clin Lab Med. Dr. Choi's most frequent co-authors are John Y. Choi, MD, Michael Lim, MD and Henry Brem, MD.

Papers31
Years published2016 to 2021

Dr. Choi's papers by year, 2016 to 2021

Topics Dr. Choi writes about most

  • Brain Neoplasms
  • Glioblastoma
  • Mice, Inbred C57BL
  • Cell Line, Tumor
  • Glioma
  • Immunosuppression Therapy
  • Antineoplastic Agents
  • Graft Rejection

Dr. Choi's most frequent co-authors

Recent publications by Dr. Choi

See all 31 publications and co-authors

See who Dr. Choi researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Choi 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. John Chuwon Choi received $6,822 in industry payments from 2016 to 2020

CMS Open Payments shows 38 general payments to Dr. Choi from 6 drug and device companies from 2016 to 2020. Consulting fees make up the largest share, 82% of the total. Allergan Inc. paid the most, $6,373.

General payments to Dr. Choi by program year, 2016 to 2020

General payments to Dr. Choi by kind, 2016 to 2020

$6.8Kin total
  • Consulting fees$5,62582%
  • Food and beverage$87013%
  • Travel and lodging$2894%
  • Education$381%

Companies that paid Dr. Choi the most, 2016 to 2020

Share is of all general payments to this clinician.

See all payments to Dr. Choi

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

Dr. John Chuwon Choi has 1 award and honors on record

Dmand AI lists 1 award for Dr. Choi, most recently CMS Stage 1 EHR in 2011.

Awards and honors for Dr. Choi

  1. 2011
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. John Chuwon Choi graduated from Harvard Medical School

Dr. Choi graduated from Harvard Medical School in 1990.

  1. Medical schoolHarvard Medical School
  2. Board certified in ophthalmologyAmerican Board of Ophthalmology

Source: Dmand AI Professional Profile Data

Dr. John Chuwon Choi accepts plans from 20 insurance carriers

Dr. Choi is in network with 20 carriers, including Aetna, Elevance and HCSC. HMO plans come from the most carriers, 13. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • HCSC
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • Blue Cross Blue Shield of Michigan
  • Humana
  • Alliant Health Plans
  • +12 more carriersWith a free account

Plan types Dr. Choi accepts, by number of carriers

  1. HMO13
  2. PPO11
  3. Medicare9
  4. POS7
  5. EPO4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. John Chuwon Choi'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 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)
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. John Chuwon Choi

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. John Chuwon Choi's NPI number?

Dr. John Chuwon Choi's NPI number is 1699765230. It was assigned on October 25, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. John Chuwon Choi?

Dr. John Chuwon Choi is an ophthalmologist in Warrenville, Illinois. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. John Chuwon Choi practice?

Dr. Choi practices at 28375 Davis Pkwy Ste 905, Warrenville, IL 60555-3030. Dr. Choi's primary practice is The Eye and Facial Clinic in Warrenville, Illinois. Dmand AI also links Dr. Choi to 1 hospital.

What is Dr. John Chuwon Choi's office phone number?

The practice phone on file for Dr. Choi is (630) 836-1616.

Which states has Dr. John Chuwon Choi been licensed in?

Dmand AI has state licenses on file for Dr. Choi in Illinois (1999 to 2026), California (since 1992) and Massachusetts (1994 to 2000).

Which hospitals is Dr. John Chuwon Choi affiliated with?

Dr. Choi is affiliated with Northwestern Medicine Central DuPage Hospital. Dmand AI links Dr. Choi to 1 more hospital.

Does Dr. John Chuwon Choi accept Medicare?

Yes. CMS data shows Dr. Choi billed Medicare for 1,592 services in 2024, and Dr. Choi accepts Medicare assignment.

What is Dr. John Chuwon Choi's MIPS score?

Dr. Choi's MIPS final score for performance year 2024 is 75 out of 100, reported individually.

How many Medicare patients does Dr. John Chuwon Choi see?

CMS counts 239 Medicare patients who saw Dr. Choi in 2024, with an average age of 76.

Is Dr. John Chuwon Choi board certified?

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

Show 8 more questionsShow fewer questions

What services does Dr. John Chuwon Choi bill to Medicare?

In 2024, Dr. Choi's most billed Medicare services were injected or infused drug (J0585), office visit, established patient (99213) and office visit, established patient (99214).

Where did Dr. John Chuwon Choi go to medical school?

Dr. Choi graduated from Harvard Medical School in 1990.

What drugs does Dr. John Chuwon Choi prescribe most?

In 2024 Medicare Part D data, Dr. Choi's most prescribed drugs by claims were Erythromycin, Restasis and Latanoprost.

Has Dr. John Chuwon Choi received payments from drug or device companies?

CMS Open Payments shows $6,822 in general payments to Dr. Choi from 6 companies from 2016 to 2020. The largest total came from Allergan Inc.

How long has Dr. John Chuwon Choi been practicing?

Dr. Choi graduated from medical school in 1990, 36 years ago.

Does Dr. John Chuwon Choi do research?

Dmand AI links 31 publications to Dr. Choi, published from 2016 to 2021.

Who does Dr. John Chuwon Choi publish with?

Dr. Choi's most frequent co-authors are John Y. Choi, MD (15 shared papers), Michael Lim, MD (13 shared papers) and Henry Brem, MD (8 shared papers).

What insurance does Dr. John Chuwon Choi accept?

Dr. Choi is in network with 20 carriers, including Aetna, Elevance and HCSC. HMO plans come from the most carriers, 13. Check the plan with the practice before a visit.

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