Dr. Mary G. Mehaffey, MD
- Medicare services, 2024
- 441
- Medicare patients, 2024
- 252
- Part D claims, 2024
- 717
- MIPS score, 2024
- 96
- Hospital affiliations
- 1
- Practice address
- 2015 N Main Street, Wheaton, IL 60187
- Practice phone
- Call (630) 665-3690
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
DuPage Eye Surgery Center
Surgery Center - Medicare-Certified · Wheaton, Illinois
Find Dr. Mehaffey's professional email, personal email and mobile number
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Dr. Mary G. Mehaffey is an ophthalmologist in Wheaton, Illinois
Dr. Mehaffey practices at DuPage Eye Surgery Center in Wheaton, Illinois.
Dr. Mehaffey's NPI, 1649269580, was assigned on October 13, 2005. Dr. Mehaffey graduated from Medical College of Georgia School of Medicine in 1991. Dr. Mehaffey holds Illinois license 036-099095.
- NPI
- 1649269580NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183526684
- NPI enumeration date
- October 13, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (630) 665-3690
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mary G. Mehaffey practices at DuPage Eye Surgery Center in Wheaton, Illinois
Dr. Mehaffey's primary practice is DuPage Eye Surgery Center, at 2015 N Main Street, Wheaton, IL 60187. The practice phone is (630) 665-3690.
- DuPage Eye Surgery Center2015 N Main Street, Wheaton, IL 60187Phone(630) 665-3690
Source: Dmand AI Affiliation Data
Dr. Mary G. Mehaffey is affiliated with 2 sites of care and 1 medical group
Dr. Mehaffey's primary practice is DuPage Eye Surgery Center in Wheaton, Illinois. Dr. Mehaffey is also affiliated with Northwestern Medicine Central DuPage Hospital. Dmand AI also links Dr. Mehaffey to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mary G. Mehaffey's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mehaffey practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| DuPage Eye Surgery Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mary G. Mehaffey is one of 692 ophthalmologists in Illinois
Ophthalmology is Dr. Mehaffey's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Mehaffey is licensed in Illinois.
Specialties and state licenses
- Ophthalmology, IllinoisPrimary
Ophthalmologists near Dr. Mehaffey
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. Mary G. Mehaffey billed Medicare for 441 services in 2024
CMS data shows 441 Medicare services from Dr. Mehaffey across 5 procedure codes in 2024, for 252 Medicare patients. Medicare paid $31,944 for them. Every service was in an office.
Dr. Mehaffey's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,1362024: 44161%
- Imaging
- 2023: 182024: 0100%
- Surgery
- 2023: 172024: 0100%
- Office and hospital visits
- 2023: 252024: 0100%
Dr. Mehaffey compared with the Illinois median for ophthalmologists, 2024
- Dr. Mehaffey
- Illinois median
- Medicare services
- 441vs 1,54471% below
- Medicare patients
- 252vs 57756% below
- Part D claims
- 667vs 58215% above
Medians across 710 ophthalmologists in Illinois with Dmand AI profiles that report each measure.
Dr. Mehaffey'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. Mehaffey?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mehaffey and other ophthalmologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mary G. Mehaffey treated 252 Medicare patients in 2024, average age 77
CMS counts 252 Medicare patients who saw Dr. Mehaffey in 2024. The largest group is 75 to 84, with 104 patients. 75% of them have high cholesterol, and 66% have high blood pressure. Their average risk score is 0.90, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Mehaffey's median patient age at 74, with 64% women.
Dr. Mehaffey's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Mehaffey's Medicare patients by sex, 2024
- Women17369%
- Men7931%
Chronic conditions among Dr. Mehaffey's Medicare patients, 2024
- High cholesterol75%
- High blood pressure66%
- Arthritis44%
- Diabetes27%
- Anxiety20%
- Ischemic heart disease20%
- Chronic kidney disease19%
- Osteoporosis18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mehaffey's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women64%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mary G. Mehaffey wrote 717 Medicare Part D claims in 2024
In 2024, Dr. Mehaffey wrote 717 Medicare Part D claims for 180 patients. 48% of them were for generic drugs. CMS names the drug for 667 of them, across 13 drugs with 11 or more claims each, at $71,947 in total drug cost. In 2023, CMS named 1,728 claims across 19 drugs.
Dr. Mehaffey's Part D claims by kind of drug, 2024
- Generic341 claims48%
- Brand-name376 claims52%
Dr. Mehaffey'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. Mehaffey's Part D claims, 2024
- Antibiotics2%14 of 717 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: 1,7282024: 66761%
Drugs named by CMS: 13 in 2024, 19 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. Mary G. Mehaffey scored 96 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 96 out of 100 for Dr. Mehaffey for performance year 2024, reported through an alternative payment model (APM). Dr. Mehaffey accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Mehaffey's MIPS scores, performance year 2024
- 96of 100Final score
- 88.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Cataract surgery: 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. Mary G. Mehaffey received $102 in industry payments in 2019
CMS Open Payments shows 1 general payment to Dr. Mehaffey from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. Aerie Pharmaceuticals, Inc. paid the most, $102.
Companies that paid Dr. Mehaffey the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mary G. Mehaffey graduated from Medical College of Georgia School of Medicine
Dr. Mehaffey graduated from Medical College of Georgia School of Medicine in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mary G. Mehaffey'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 DataDmand AI Org Hierarchy 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Mary G. Mehaffey
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. Mary G. Mehaffey's NPI number?
Dr. Mary G. Mehaffey's NPI number is 1649269580. It was assigned on October 13, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Mary G. Mehaffey?
Dr. Mary G. Mehaffey is an ophthalmologist in Wheaton, Illinois. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Mary G. Mehaffey practice?
Dr. Mehaffey practices at 2015 N Main Street, Wheaton, IL 60187. Dr. Mehaffey's primary practice is DuPage Eye Surgery Center in Wheaton, Illinois. Dmand AI also links Dr. Mehaffey to 1 medical group.
What is Dr. Mary G. Mehaffey's office phone number?
The practice phone on file for Dr. Mehaffey is (630) 665-3690.
What is Dr. Mary G. Mehaffey's medical license number?
Dr. Mehaffey holds Illinois license 036-099095.
Which hospitals is Dr. Mary G. Mehaffey affiliated with?
Dr. Mehaffey is affiliated with Northwestern Medicine Central DuPage Hospital.
Does Dr. Mary G. Mehaffey accept Medicare?
Yes. CMS data shows Dr. Mehaffey billed Medicare for 441 services in 2024, and Dr. Mehaffey accepts Medicare assignment.
What is Dr. Mary G. Mehaffey's MIPS score?
Dr. Mehaffey's MIPS final score for performance year 2024 is 96 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Mary G. Mehaffey see?
CMS counts 252 Medicare patients who saw Dr. Mehaffey in 2024, with an average age of 77.
What services does Dr. Mary G. Mehaffey bill to Medicare?
In 2024, Dr. Mehaffey's most billed Medicare services were eye exam or test (92014), eye exam or test (92133) and eye exam or test (92134).
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Where did Dr. Mary G. Mehaffey go to medical school?
Dr. Mehaffey graduated from Medical College of Georgia School of Medicine in 1991.
What drugs does Dr. Mary G. Mehaffey prescribe most?
In 2024 Medicare Part D data, Dr. Mehaffey's most prescribed drugs by claims were Latanoprost, Timolol Maleate and Lumigan.
Has Dr. Mary G. Mehaffey received payments from drug or device companies?
CMS Open Payments shows $102 in general payments to Dr. Mehaffey from 1 company from 2019 to 2019. The largest total came from Aerie Pharmaceuticals, Inc.
How long has Dr. Mary G. Mehaffey been practicing?
Dr. Mehaffey graduated from medical school in 1991, 35 years ago.
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