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DR. ALAN Y CHOW M.D.
NPI 1891802096
Ophthalmology in Glen Ellyn, IL

Active since August 24, 2006PECOS EnrolledAccepts Medicare Assignment
386 PENNSYLVANIA AVE STE 3N, GLEN ELLYN, IL 60137(630) 858-4411(630) 858-4793 Get Directions Write a Review

NPPES record last updated: October 31, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Alan Y Chow M.d. NPPES

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

DR. ALAN Y CHOW M.D. (NPI 1891802096) is an individual ophthalmology provider in Glen Ellyn, Illinois and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Central Dupage Hospital, and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (1976).

NPPES Registry Identity

NPI1891802096
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameDR. ALAN Y CHOWCredential: M.D.
Location Address386 PENNSYLVANIA AVE STE 3NGlen Ellyn, IL 60137-4323
Mailing Address191 Palamino PlWheaton, IL 60187-1024 · (630) 690-7363 · Fax (630) 690-7584
Phone(630) 858-4411
Fax(630) 858-4793
Sole ProprietorYes
Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 1976
Enumeration DateAugust 24, 2006
Last NPPES UpdateOctober 31, 2007
✔ NPI 1891802096 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.
386 PENNSYLVANIA AVE STE 3N, Glen Ellyn, IL 60137
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Other Identifiers 3

Medicare PIN733692IL
Other022-01769-06IL · Blue Cross - Blue Shield
Medicare UPINC40110IL

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. Alan Y Chow 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 ID4082613872
PECOS Enrollment IDI20061205000115
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 9

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.

Exam to measure eye deviation and range of motion 92060
This is an eye exam that checks for any misalignment in your eyes, also known as deviation. It also assesses the movement range of your eyes. The procedure is painless and helps in detecting conditions like strabismus or other vision issues.
263 services136 patients
Imaging of optic nerve 92133
Imaging of the optic nerve is a non-invasive procedure that captures detailed pictures of your optic nerve. It helps doctors assess eye health, particularly for conditions like glaucoma. It's painless, quick, and uses safe technology like MRI or OCT (Optical Coherence Tomography).
244 services149 patients
Extended exam of the back part of the eye with optic nerve drawing 92202
This procedure involves a detailed examination of the back part of your eye, focusing on the optic nerve, a crucial component for vision. A drawing or map of the optic nerve is created to help track any changes over time. This can help detect eye diseases early.
223 services126 patients
Established patient complete exam of visual system 92014
An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.
193 services150 patients
Established patient problem focused exam of visual system 92012
This is a routine check-up for existing patients focusing on the visual system. It involves examining your eyes to detect any potential issues or changes in your vision. It's a crucial part of maintaining good eye health.
188 services101 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.
122 services96 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 60137 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.

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 Alan Chow's NPI number?

The NPI number for Alan Chow is 1891802096. It was assigned to this individual provider in the NPPES registry on August 24, 2006.

Where is Alan Chow located?

Alan Chow practices at 386 Pennsylvania Ave Ste 3N, Glen Ellyn, IL 60137. The listed phone number is (630) 858-4411.

What is Alan Chow's specialty?

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

Is Alan Chow enrolled in Medicare?

Yes. Alan Chow 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.

Is Alan Chow affiliated with any hospitals?

According to CMS data, Alan Chow is affiliated with Northwestern Medicine Central Dupage Hospital.

When was this NPI record last updated?

The NPPES record for Alan Chow was last updated on October 31, 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.