Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. John Pak, MD

Individual provider Ophthalmology Physician · NPI 1811937311

Dr. John Pak, MD is an Ophthalmology in Wheaton, Illinois. Graduated from Boston University School of Medicine in 2000, 26 years ago. Practices with Wheaton Eye Clinic Ltd, a 44-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
26
Trained at
Boston University School of Medicine
Licensed in
IL
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2015 N Main St
Wheaton, IL 60187-3152
Phone: (630) 668-8250
Fax: (630) 668-8916
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Ophthalmic Plastic and Reconstructive Surgery Physician (primary) Taxonomy 207WX0200X · Licence 036-108561 (IL)
Ophthalmology Physician Taxonomy 207W00000X · Licence 036-108561 (IL)

Record details

NPI number1811937311
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 7, 2006
Last updated in NPPESAugust 26, 2024
Certification dateAugust 26, 2024
Mailing address2015 N Main St, Wheaton, IL 60187-3152

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOPHTHALMOLOGY
Medical schoolBOSTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2000 (26 years in practice)
Group practice Wheaton Eye Clinic Ltd — 44 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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