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

Individual provider Ophthalmology Physician · NPI 1649269580

Dr. Mary G Mehaffey, MD practises Ophthalmology in Wheaton, Illinois. Graduated from Medical College of Georgia School of Medicine in 1991, 35 years ago. Practices with Wheaton Eye Clinic Ltd, a 44-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
35
Trained at
Medical College of Georgia School of Medicine
Licensed in
IL
In the registry since
2005
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

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence 036-099095 (IL)

Record details

NPI number1649269580
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 13, 2005
Last updated in NPPESAugust 26, 2024
Certification dateAugust 26, 2024

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Medical schoolMEDICAL COLLEGE OF GEORGIA SCHOOL OF MEDICINE
Graduated 1991 (35 years in practice)
Group practice Wheaton Eye Clinic Ltd — 44 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Procedures

From CMS Care Compare, which counts the procedures a clinician billed to Original Medicare and Medicare Advantage over a recent 12-month period. CMS reports a fixed list of common procedures, so this is not everything the clinician does. Counts of 10 or fewer are given as a range, because CMS withholds small numbers.

Cataract surgery 12 times · 34th percentile

The percentile compares how often this clinician performed the procedure with other clinicians who performed it, as CMS calculates it. It measures volume, not outcomes or skill.

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients252
Services billed 479 a service is one billed item, such as a visit, a test or a procedure
Average patient age77

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

  • Northwestern Medicine Central Dupage Hospital Hospital · Winfield, IL

Colleagues at Wheaton Eye Clinic Ltd

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 44 clinicians in the practice; 12 are shown here.

Other providers in Wheaton