Karen W. Malleus, OD
- Part D claims, 2024
- 35
- Industry payments
- $91
- Affiliated sites
- 3
- Medical groups
- 3
- State license
- 1
- Practice address
- 111 E 4th St, Alton, IL 62002
- Practice phone
- Call (412) 731-2020
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Eyes On Regent Square
Alton, Illinois
Find Karen Malleus' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Karen W. Malleus is an optometrist in Alton, Illinois
Karen Malleus practices at Eyes On Regent Square in Alton, Illinois.
Karen Malleus' NPI, 1164415303, was assigned on August 23, 2005. Karen Malleus graduated from Pennsylvania College of Optometry in 1979. Karen Malleus holds Pennsylvania license OEG001056.
- NPI
- 1164415303NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4082727979
- NPI enumeration date
- August 23, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (412) 731-2020
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 73
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Karen W. Malleus practices at Eyes on Regent Square in Alton, Illinois
Karen Malleus' primary practice is Eyes on Regent Square, at 111 E 4th St, Alton, IL 62002 in Madison County. The practice phone is (412) 731-2020.
- Eyes on Regent Square111 E 4th St, Alton, IL 62002 · Madison CountyPhone(412) 731-2020
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Karen W. Malleus is affiliated with 4 sites of care and 3 medical groups
Karen Malleus' primary practice is Eyes On Regent Square in Alton, Illinois. Dmand AI also links Karen Malleus to 3 group practices and clinics and 3 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Karen W. Malleus' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Karen Malleus practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Eyes On Regent Square | Available with a free account |
| +3 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Karen W. Malleus is one of 2,194 optometrists in Illinois
Optometrist is Karen Malleus' primary specialty in the NPI Registry, under taxonomy code 152W00000X. Karen Malleus is licensed in Pennsylvania.
Specialties and state licenses
- Optometrist, PennsylvaniaPrimary
Optometrists near Karen Malleus
Counts of optometrists 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
Karen W. Malleus' patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Karen Malleus' median patient age at 72, with 49% women.
Karen Malleus' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women49%
- Men51%
Source: Dmand AI Patient Panel Data
Karen W. Malleus wrote 35 Medicare Part D claims in 2024
In 2024, Karen Malleus wrote 35 Medicare Part D claims for 15 patients. 86% of them were for generic drugs.
Karen Malleus' Part D claims by kind of drug, 2024
- Generic30 claims86%
- Brand-name and other5 claims14%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Karen W. Malleus takes part in Medicare
Karen Malleus accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Cataract surgery: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Karen W. Malleus received $91 in industry payments in 2025
CMS Open Payments shows 4 general payments to Karen Malleus from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Bausch & Lomb Americas Inc. paid the most, $68.
Companies that paid Karen Malleus the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Karen W. Malleus graduated from Pennsylvania College of Optometry
Karen Malleus graduated from Pennsylvania College of Optometry in 1979.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Karen W. Malleus'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | 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)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 Karen W. Malleus
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Karen W. Malleus' NPI number?
Karen W. Malleus' NPI number is 1164415303. It was assigned on August 23, 2005, and it is active in the NPI Registry.
What does Karen W. Malleus specialize in?
Karen W. Malleus is an optometrist in Alton, Illinois. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Karen W. Malleus practice?
Karen Malleus practices at 111 E 4th St, Alton, IL 62002. Karen Malleus' primary practice is Eyes On Regent Square in Alton, Illinois. Dmand AI also links Karen Malleus to 3 group practices and clinics and 3 medical groups.
What is Karen W. Malleus' office phone number?
The practice phone on file for Karen Malleus is (412) 731-2020.
What is Karen W. Malleus' medical license number?
Karen Malleus holds Pennsylvania license OEG001056.
Does Karen W. Malleus accept Medicare?
Yes. CMS lists Karen Malleus as accepting Medicare assignment.
Where did Karen W. Malleus go to medical school?
Karen Malleus graduated from Pennsylvania College of Optometry in 1979.
Has Karen W. Malleus received payments from drug or device companies?
CMS Open Payments shows $91 in general payments to Karen Malleus from 2 companies from 2025 to 2025. The largest total came from Bausch & Lomb Americas Inc.
How long has Karen W. Malleus been practicing?
Karen Malleus graduated from medical school in 1979, 47 years ago.
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