Katherine Tsui
- Industry payments
- $153
- Affiliated sites
- 2
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2024
- Practice address
- 61535 S Hwy 97 Ste 16 Suite 16, Bend, OR 97702
- Practice phone
- Call (541) 389-4774
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Coffman Vision Clinic - Bend (S Hwy 97)
Eye care practice · Bend, Oregon
Find Katherine Tsui'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 Tsui is an optometrist in Bend, Oregon
Katherine Tsui practices at Coffman Vision Clinic - Bend (S Hwy 97) in Bend, Oregon.
Katherine Tsui's NPI, 1609629161, was assigned on April 8, 2024. Katherine Tsui holds Oregon license ATI4734.
- NPI
- 1609629161NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5991242497
- NPI enumeration date
- April 8, 2024
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (541) 389-4774
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Katherine Tsui practices at Coffman Vision Clinic - Bend (S Hwy 97) in Bend, Oregon
Katherine Tsui's primary practice is Coffman Vision Clinic - Bend (S Hwy 97), at 61535 S Hwy 97 Ste 16 Suite 16, Bend, OR 97702. The practice phone is (541) 389-4774.
- Coffman Vision Clinic - Bend (S Hwy 97)61535 S Hwy 97 Ste 16 Suite 16, Bend, OR 97702Phone(541) 389-4774
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Katherine Tsui is affiliated with 2 sites of care and 2 medical groups
Katherine Tsui's primary practice is Coffman Vision Clinic - Bend (S Hwy 97) in Bend, Oregon. Dmand AI also links Katherine Tsui to 2 medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Katherine Tsui's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Katherine Tsui practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Coffman Vision Clinic - Bend (S Hwy 97) | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Katherine Tsui is one of 721 optometrists in Oregon
Optometrist is Katherine Tsui's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Katherine Tsui is licensed in Oregon.
Specialties and state licenses
- Optometrist, OregonPrimary
Optometrists near Katherine Tsui
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 Tsui's patients have a median age of 49
Across all payers, Dmand AI patient panel data puts Katherine Tsui's median patient age at 49, with 54% women.
Katherine Tsui's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 49
Patient panel by sex, all payers
- Women54%
- Men43%
Source: Dmand AI Patient Panel Data
How Katherine Tsui takes part in Medicare
Katherine Tsui 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)
Katherine Tsui received $153 in industry payments in 2025
CMS Open Payments shows 4 general payments to Katherine Tsui from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $89.
Companies that paid Katherine Tsui the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Katherine Tsui'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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 Tsui
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 Tsui's NPI number?
Katherine Tsui's NPI number is 1609629161. It was assigned on April 8, 2024, and it is active in the NPI Registry.
What does Katherine Tsui specialize in?
Katherine Tsui is an optometrist in Bend, Oregon. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Katherine Tsui practice?
Katherine Tsui practices at 61535 S Hwy 97 Ste 16 Suite 16, Bend, OR 97702. Katherine Tsui's primary practice is Coffman Vision Clinic - Bend (S Hwy 97) in Bend, Oregon. Dmand AI also links Katherine Tsui to 2 medical groups and 1 group practice or clinic.
What is Katherine Tsui's office phone number?
The practice phone on file for Katherine Tsui is (541) 389-4774.
What is Katherine Tsui's medical license number?
Katherine Tsui holds Oregon license ATI4734, one of 2 state licenses on file.
Does Katherine Tsui accept Medicare?
Yes. CMS lists Katherine Tsui as accepting Medicare assignment.
Has Katherine Tsui received payments from drug or device companies?
CMS Open Payments shows $153 in general payments to Katherine Tsui from 2 companies from 2025 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Katherine Tsui been practicing?
Katherine Tsui's NPI was assigned in 2024.
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