Karen L. Preston, OD
- Industry payments
- $106
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 14645 Bel Red Rd, Bellevue, WA 98007-3929
- Practice phone
- Call (425) 732-6056
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northwest Pediatric Eye Care
Physician office · Bellevue, Washington
Find Karen Preston'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.
Karen L. Preston is a pediatric optometrist in Bellevue, Washington
Karen Preston practices at Northwest Pediatric Eye Care in Bellevue, Washington.
Karen Preston's NPI, 1861436438, was assigned on June 15, 2006. Karen Preston holds Washington license OD00001609.
- NPI
- 1861436438NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8820023336
- NPI enumeration date
- June 15, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (425) 732-6056
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Karen L. Preston practices at Northwest Pediatric Eye Care in Bellevue, Washington
Karen Preston's primary practice is Northwest Pediatric Eye Care, at 14645 Bel Red Rd, Bellevue, WA 98007-3929. The practice phone is (425) 732-6056.
- Northwest Pediatric Eye Care14645 Bel Red Rd, Bellevue, WA 98007-3929Phone(425) 732-6056
Source: Dmand AI Affiliation Data
Karen L. Preston is affiliated with 1 site of care
Karen Preston's primary practice is Northwest Pediatric Eye Care in Bellevue, Washington.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Karen L. Preston's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Karen Preston practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwest Pediatric Eye Care | Available with a free account |
Source: Dmand AI Technology Install Data
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Karen L. Preston is one of 9 pediatric optometrists in Washington
Optometrist is Karen Preston's primary specialty in the NPI Registry, under taxonomy code 152WP0200X. The record also lists pediatrics. Karen Preston is licensed in Washington.
Specialties and state licenses
- Pediatric optometrist, WashingtonPrimary
Pediatric optometrists near Karen Preston
Counts of pediatric 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 L. Preston's patients have a median age of 12
Across all payers, Dmand AI patient panel data puts Karen Preston's median patient age at 12, with 55% women.
Karen Preston's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 12
Patient panel by sex, all payers
- Women55%
- Men45%
Source: Dmand AI Patient Panel Data
How Karen L. Preston takes part in Medicare
Karen Preston 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)
Karen L. Preston received $106 in industry payments in 2025
CMS Open Payments shows 1 general payment to Karen Preston from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. CooperVision Inc. paid the most, $106.
Companies that paid Karen Preston 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 Karen L. Preston'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 Data |
| 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) |
| 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 L. Preston
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 L. Preston's NPI number?
Karen L. Preston's NPI number is 1861436438. It was assigned on June 15, 2006, and it is active in the NPI Registry.
What does Karen L. Preston specialize in?
Karen L. Preston is a pediatric optometrist in Bellevue, Washington. The primary specialty in the NPI Registry is Pediatric Optometrist (taxonomy code 152WP0200X).
Where does Karen L. Preston practice?
Karen Preston practices at 14645 Bel Red Rd, Bellevue, WA 98007-3929. Karen Preston's primary practice is Northwest Pediatric Eye Care in Bellevue, Washington.
What is Karen L. Preston's office phone number?
The practice phone on file for Karen Preston is (425) 732-6056.
What is Karen L. Preston's medical license number?
Karen Preston holds Washington license OD00001609.
Does Karen L. Preston accept Medicare?
Yes. CMS lists Karen Preston as accepting Medicare assignment.
Has Karen L. Preston received payments from drug or device companies?
CMS Open Payments shows $106 in general payments to Karen Preston from 1 company from 2025 to 2025. The largest total came from CooperVision Inc.
How long has Karen L. Preston been practicing?
Karen Preston graduated from medical school in 1984, 42 years ago.
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