Katherine Yueh-Mei Ly, OD
- Medicare patients, 2024
- 114
- Industry payments
- $1,393
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 4000 Luxottica Pl, Mason, OH 45040
- Practice phone
- Call (513) 765-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Luxottica of America Inc.
Mason, Ohio
Find Katherine Ly's 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.
Katherine Yueh-Mei Ly is an optometrist in Mason, Ohio
Katherine Ly practices at Luxottica of America Inc. in Mason, Ohio.
Katherine Ly's NPI, 1659412377, was assigned on February 8, 2007. Katherine Ly graduated from New England College of Optometry in 2001. Katherine Ly holds Maryland license TA1736.
- NPI
- 1659412377NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2567526726
- NPI enumeration date
- February 8, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (513) 765-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Katherine Yueh-Mei Ly practices at Luxottica of America Inc. in Mason, Ohio
Katherine Ly's primary practice is Luxottica of America Inc., at 4000 Luxottica Pl, Mason, OH 45040 in Warren County. The practice phone is (513) 765-6000.
- Luxottica of America Inc.4000 Luxottica Pl, Mason, OH 45040 · Warren CountyPhone(513) 765-6000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Katherine Yueh-Mei Ly is affiliated with 2 sites of care
Katherine Ly's primary practice is Luxottica of America Inc. in Mason, Ohio. Dmand AI also links Katherine Ly to 1 physician office, 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 Katherine Yueh-Mei Ly's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Katherine Ly practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Luxottica of America Inc. | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Katherine Yueh-Mei Ly is one of 2,779 optometrists in Ohio
Optometrist is Katherine Ly's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Katherine Ly is licensed in Maryland.
Specialties and state licenses
- Optometrist, MarylandPrimary
Optometrists near Katherine Ly
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
Katherine Yueh-Mei Ly treated 114 Medicare patients in 2024, average age 75
CMS counts 114 Medicare patients who saw Katherine Ly in 2024. The largest group is 65 to 74, with 54 patients. 75% of them have high cholesterol, and 63% have high blood pressure. 11% are also on Medicaid. Their average risk score is 0.80, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Katherine Ly's median patient age at 70, with 65% women.
Katherine Ly's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Katherine Ly's Medicare patients by sex, 2024
- Women6658%
- Men4842%
Chronic conditions among Katherine Ly's Medicare patients, 2024
- High cholesterol75%
- High blood pressure63%
- Arthritis40%
- Diabetes26%
- Mood disorders19%
- Anxiety18%
- Depression17%
- Ischemic heart disease16%
Share of Medicare patients with each condition. A patient can have several.
Katherine Ly's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women65%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Katherine Yueh-Mei Ly takes part in Medicare
Katherine Ly accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Katherine Yueh-Mei Ly received $1,393 in industry payments in 2025
CMS Open Payments shows 7 general payments to Katherine Ly from 2 drug and device companies in 2025. Travel and lodging make up the largest share, 60% of the total. Alcon Laboratories Inc paid the most, $1,270.
General payments to Katherine Ly by kind, 2025 to 2025
- Travel and lodging$83660%
- Food and beverage$55740%
Companies that paid Katherine Ly the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Katherine Yueh-Mei Ly graduated from New England College of Optometry
Katherine Ly graduated from New England College of Optometry in 2001.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Katherine Yueh-Mei Ly'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 DataMedicare Physician & Other Practitioners - 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) |
| 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 Katherine Yueh-Mei Ly
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Katherine Yueh-Mei Ly's NPI number?
Katherine Yueh-Mei Ly's NPI number is 1659412377. It was assigned on February 8, 2007, and it is active in the NPI Registry.
What does Katherine Yueh-Mei Ly specialize in?
Katherine Yueh-Mei Ly is an optometrist in Mason, Ohio. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Katherine Yueh-Mei Ly practice?
Katherine Ly practices at 4000 Luxottica Pl, Mason, OH 45040. Katherine Ly's primary practice is Luxottica of America Inc. in Mason, Ohio. Dmand AI also links Katherine Ly to 1 physician office.
What is Katherine Yueh-Mei Ly's office phone number?
The practice phone on file for Katherine Ly is (513) 765-6000.
What is Katherine Yueh-Mei Ly's medical license number?
Katherine Ly holds Maryland license TA1736.
Does Katherine Yueh-Mei Ly accept Medicare?
Yes. CMS lists Katherine Ly as accepting Medicare assignment.
How many Medicare patients does Katherine Yueh-Mei Ly see?
CMS counts 114 Medicare patients who saw Katherine Ly in 2024, with an average age of 75.
Where did Katherine Yueh-Mei Ly go to medical school?
Katherine Ly graduated from New England College of Optometry in 2001.
Has Katherine Yueh-Mei Ly received payments from drug or device companies?
CMS Open Payments shows $1,393 in general payments to Katherine Ly from 2 companies from 2025 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Katherine Yueh-Mei Ly been practicing?
Katherine Ly graduated from medical school in 2001, 25 years ago.
Selling to optometrist practices?
See optometrists in Ohio by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card