DR. JOHN CHUWON CHOI M.D.
NPI 1699765230
Ophthalmology in Warrenville, IL

Q: What is John Choi's NPI number?

The NPI number for John Choi is 1699765230. It was assigned to this individual provider in the NPPES registry on October 25, 2005. The provider is also known as Dr. Chu Won Choi.

Q: What is John Choi's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Q: When was this NPI record last updated?

The NPPES record for John Choi was last updated on October 12, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since October 25, 2005PECOS EnrolledAccepts Medicare Assignment

75/100

CMS Quality Rating

28375 DAVIS PKWY, SUITE 905, WARRENVILLE, IL 60555(630) 836-1616(630) 836-1612 Get Directions Write a Review

NPPES record last updated: October 12, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Dr. John Chuwon Choi M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JOHN CHUWON CHOI M.D. (NPI 1699765230) is an individual ophthalmology provider in Warrenville, Illinois and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Central Dupage Hospital, and is a graduate of Harvard Medical School (1990).

NPPES Registry Identity

NPI1699765230

Entity TypeIndividualMale

Primary Taxonomy207W00000X

Provider Legal NameDR. JOHN CHUWON CHOICredential: M.D.

Location Address28375 DAVIS PKWY, SUITE 905Warrenville, IL 60555-3030

Mailing Address28375 Davis Pkwy, Suite 905Warrenville, IL 60555-3030 · (630) 836-1616 · Fax (630) 836-1612

Phone(630) 836-1616

Fax(630) 836-1612

Sole ProprietorNo

Medical School CMSHarvard Medical SchoolGraduated 1990

Enumeration DateOctober 25, 2005

Last NPPES UpdateOctober 12, 2007

✔ NPI 1699765230 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

Definition

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

28375 DAVIS PKWY, Warrenville, IL 60555

Open in Google Maps ↗

Other Names 1

Other Name (5)Dr. Chu Won Choi

Other Identifiers 3

Medicare UPINF43213IL

Medicare PINK36119IL

Other02233155IL · Bcbs Provider Number

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. John Chuwon Choi M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4082717921

PECOS Enrollment IDI20070313000453

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 16

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, onabotulinumtoxina, 1 unit J0585

Onabotulinumtoxina, also known as Botox, is a medication injected into muscles. It's used to treat various conditions by blocking nerve activity in the muscles, causing a temporary reduction in muscle activity. The units refer to the dosage.

266 services12 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

196 services126 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

183 services137 patients

Injection, incobotulinumtoxin a, 1 unit J0588

Incobotulinumtoxin A, 1 unit, is an injection commonly known as Botox. It's used to treat various conditions like muscle spasms or wrinkles. The substance temporarily paralyzes muscles, providing relief or aesthetic improvement.

170 services11 patients

Photography of content of eyes 92285

Photography of the content of eyes, also known as ocular photography, captures detailed images of different parts of the eye. It helps identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. The process is non-invasive and painless.

135 services118 patients

Probing of nasal tear duct 68840

Probing of the nasal tear duct is a procedure to treat blocked tear ducts. A thin, flexible instrument is gently inserted into the tear duct to clear any obstruction, allowing tears to drain normally again. This procedure is typically quick and can help to alleviate symptoms like excessive tearing or infection.

131 services91 patients

Photography of the retina 92250

Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.

109 services109 patients

Closure of tear duct opening using plug 68761

Closure of the tear duct opening using a plug is a procedure to address excessive tear production. A small device is inserted into the tear duct to block it, reducing tear flow and relieving symptoms. This is a safe, reversible process, often performed in-office.

105 services78 patients

Imaging of retina 92134

Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.

95 services95 patients

Exam of visual field with extended testing 92083

An extended visual field exam is a detailed test to evaluate your peripheral (side) vision. It helps to detect any potential blind spots which may not be noticeable in daily life. These could be caused by eye diseases like glaucoma, or neurological conditions.

44 services44 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

41 services41 patients

Removal of eyelashes using forceps 67820

The removal of eyelashes using forceps is a simple procedure where a medical professional gently extracts unwanted or problematic eyelashes with a specialized tool. This is often done to alleviate discomfort or to treat conditions like trichiasis, where eyelashes grow inward.

32 services20 patients

Injection of chemical for paralysis of nerve muscles on side of face 64612

This procedure involves injecting a chemical into specific facial nerves, causing temporary muscle paralysis. It's used to treat conditions like facial spasms or wrinkles. The effects are usually temporary, requiring repeat treatments.

30 services18 patients

Removal of growth of eyelid 67840

The removal of an eyelid growth is a procedure performed to eliminate abnormal tissue from your eyelid. It's generally a quick, outpatient treatment. The doctor numbs your eyelid, carefully removes the growth, and may stitch the area if necessary. This can help maintain eye health and vision.

23 services18 patients

Exam of visual field with limited testing 92081

An exam of the visual field with limited testing is a quick check of your peripheral vision. It involves identifying objects or movements at the edge of your sight, helping to detect any vision loss that isn't obvious, such as blind spots or areas of reduced vision.

17 services17 patients

Repair tear duct opening by heat, tying, or laser surgery 68760

This procedure involves fixing a blocked tear duct. A specialist may use heat, sutures, or laser surgery to open up the tear duct and allow tears to drain normally. This can alleviate symptoms such as excessive tearing or infection. It's a common and safe procedure.

15 services15 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Northwestern Medicine Central Dupage Hospital

Acute Care Hospitals · Winfield, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140242

Location25 North Winfield RoadWinfield, IL 60190 · Du Page County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60555 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$137.43 typical visit price

range $59.81 – $181.38

Typical copayment $34.35 (range $14.95 – $45.34)

Most-billed visit code 99204

Established Patient

$74.38 typical visit price

range $19.15 – $147.12

Typical copayment $18.59 (range $4.78 – $36.78)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

75/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

THE EYE & FACIAL CLINIC

Ophthalmology

28375 DAVIS PKWY, SUITE 905
WARRENVILLE, IL 60555

Dupage County (630) 836-1616

DR. JAMES M BOWLES M.D.

Obstetrics & Gynecology

28375 DAVIS PKWY, SUITE 901
WARRENVILLE, IL 60555

Dupage County (630) 653-4240

DR. HANNA RO CHOI M.D

Family Medicine

28375 DAVIS PKWY, SUITE 905
WARRENVILLE, IL 60555

Dupage County (630) 836-1616

DR. LYNN A FESENMYER M.D.

Obstetrics & Gynecology

28375 DAVIS PKWY, SUITE 901
WARRENVILLE, IL 60555

Dupage County (630) 653-4240

DR. LUCILLE R RUSSO M. D.

Obstetrics & Gynecology

28375 DAVIS PKWY, SUITE 901
WARRENVILLE, IL 60555

Dupage County (630) 653-4240

RADHA KRISHNA UPPUTURI M.D.

Obstetrics & Gynecology

28375 DAVIS PKWY
WARRENVILLE, IL 60555

Dupage County (630) 225-4060

DR. KENNETH RIDGE MACEK M. D.

Obstetrics & Gynecology

28375 DAVIS PKWY, SUITE 901
WARRENVILLE, IL 60555

Dupage County (630) 653-4240

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Choi's NPI number?

The NPI number for John Choi is 1699765230. It was assigned to this individual provider in the NPPES registry on October 25, 2005. The provider is also known as Dr. Chu Won Choi.

Where is John Choi located?

John Choi practices at 28375 Davis Pkwy Suite 905, Warrenville, IL 60555. The listed phone number is (630) 836-1616.

What is John Choi's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is John Choi enrolled in Medicare?

Yes. John Choi is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does John Choi accept?

Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas list John Choi as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is John Choi affiliated with any hospitals?

According to CMS data, John Choi is affiliated with Northwestern Medicine Central Dupage Hospital.

When was this NPI record last updated?

The NPPES record for John Choi was last updated on October 12, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.