Katy Tan, OD
- Medicare patients, 2024
- 20
- Part D claims, 2024
- 30
- Industry payments
- $187
- Affiliated sites
- 2
- Medical groups
- 4
- Practice address
- 10101 19th Ave Se, Everett, WA 98208-4255
- Practice phone
- Call (425) 338-5400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Silver Lake Eye Care Center
Eye care practice · Everett, Washington
Find Katy Tan'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.
Katy Tan is an optometrist in Everett, Washington
Katy Tan practices at Silver Lake Eye Care Center in Everett, Washington.
Katy Tan's NPI, 1720648611, was assigned on June 13, 2019. Katy Tan graduated from Pacific University - College of Optometry in 2019. Katy Tan holds Washington license OD.OD.61397190.
- NPI
- 1720648611NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9234565581
- NPI enumeration date
- June 13, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (425) 338-5400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Katy Tan practices at Silver Lake Eye Care Center in Everett, Washington
Katy Tan's primary practice is Silver Lake Eye Care Center, at 10101 19th Ave Se, Everett, WA 98208-4255. The practice phone is (425) 338-5400.
- Silver Lake Eye Care Center10101 19th Ave Se, Everett, WA 98208-4255Phone(425) 338-5400
Source: Dmand AI Affiliation Data
Katy Tan is affiliated with 2 sites of care and 4 medical groups
Katy Tan's primary practice is Silver Lake Eye Care Center in Everett, Washington. Dmand AI also links Katy Tan to 4 medical groups and 1 group practice or clinic, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Katy Tan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Katy Tan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Silver Lake Eye Care Center | Available with a free account |
| +1 more site and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Katy Tan is one of 1,258 optometrists in Washington
Optometrist is Katy Tan's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Katy Tan is licensed in Washington.
Specialties and state licenses
- Optometrist, WashingtonPrimary
Optometrists near Katy Tan
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
Katy Tan treated 20 Medicare patients in 2024, average age 72
CMS counts 20 Medicare patients who saw Katy Tan in 2024. 65% of them have high cholesterol, and 55% have high blood pressure. Their average risk score is 0.84, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Katy Tan's median patient age at 55, with 61% women.
Chronic conditions among Katy Tan's Medicare patients, 2024
- High cholesterol65%
- High blood pressure55%
Share of Medicare patients with each condition. A patient can have several.
Katy Tan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women61%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Katy Tan wrote 30 Medicare Part D claims in 2024
In 2024, Katy Tan wrote 30 Medicare Part D claims. 50% of them were for generic drugs.
Katy Tan's Part D claims by kind of drug, 2024
- Generic15 claims50%
- Brand-name15 claims50%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Katy Tan takes part in Medicare
Katy Tan 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)
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Katy Tan received $187 in industry payments in 2025
CMS Open Payments shows 8 general payments to Katy Tan from 4 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. TissueTech, Inc. paid the most, $79.
Companies that paid Katy Tan the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Katy Tan graduated from Pacific University - College of Optometry
Katy Tan graduated from Pacific University - College of Optometry in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Katy Tan'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 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) |
| 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) |
| 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 Katy Tan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Katy Tan's NPI number?
Katy Tan's NPI number is 1720648611. It was assigned on June 13, 2019, and it is active in the NPI Registry.
What does Katy Tan specialize in?
Katy Tan is an optometrist in Everett, Washington. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Katy Tan practice?
Katy Tan practices at 10101 19th Ave Se, Everett, WA 98208-4255. Katy Tan's primary practice is Silver Lake Eye Care Center in Everett, Washington. Dmand AI also links Katy Tan to 4 medical groups and 1 group practice or clinic.
What is Katy Tan's office phone number?
The practice phone on file for Katy Tan is (425) 338-5400.
What is Katy Tan's medical license number?
Katy Tan holds Washington license OD.OD.61397190.
Does Katy Tan accept Medicare?
Yes. CMS lists Katy Tan as accepting Medicare assignment.
How many Medicare patients does Katy Tan see?
CMS counts 20 Medicare patients who saw Katy Tan in 2024, with an average age of 72.
Where did Katy Tan go to medical school?
Katy Tan graduated from Pacific University - College of Optometry in 2019.
Has Katy Tan received payments from drug or device companies?
CMS Open Payments shows $187 in general payments to Katy Tan from 4 companies from 2025 to 2025. The largest total came from TissueTech, Inc.
How long has Katy Tan been practicing?
Katy Tan graduated from medical school in 2019, 7 years ago.
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