Dr. John Chuwon Choi, MD
- 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
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
The Eye and Facial Clinic
Physician office · Warrenville, Illinois
Find Dr. Choi's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
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
- 1699765230NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4082717921
- NPI enumeration date
- October 25, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (630) 836-1616
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- 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 Clinic28375 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.
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.
| Site | EHR vendor and product |
|---|---|
| The Eye and Facial Clinic | Available with a free account |
| +2 more affiliated sites | Available 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, Illinois
- California license
- Massachusetts license
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.
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.
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.
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.
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.
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
- High cholesterol75%
- High blood pressure66%
- Arthritis46%
- Diabetes26%
- Osteoporosis22%
- Anxiety21%
- Chronic kidney disease21%
- 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.
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.
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.
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 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.
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
- 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.
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
- 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.
- Medical school
- Board certified in 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
- HMO13
- PPO11
- Medicare9
- POS7
- EPO4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. John Chuwon Choi's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors 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-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand 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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