William Joseph Prothero, OD
- Affiliated sites
- 1
- Medical group
- 1
- State licenses
- 2
- Year NPI issued
- 2005
- Practice address
- 1837 156th Ave Ne Suite 201 Suite 201, Bellevue, WA 98007-4387
- Practice phone
- Call (425) 643-2020
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Overlake Eyecare
Eye care practice · Bellevue, Washington
Find William Prothero'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.
William Joseph Prothero is an optometrist in Bellevue, Washington
William Prothero practices at Overlake Eyecare in Bellevue, Washington.
William Prothero's NPI, 1144223405, was assigned on May 31, 2005. William Prothero graduated from Ohio State University - College of Optometry in 1987. William Prothero holds Washington license OD00001765.
- NPI
- 1144223405NPI Registry (opens in a new tab)
- NPI enumeration date
- May 31, 2005
- NPI status
- Active
- Practice phone
- (425) 643-2020
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
William Joseph Prothero practices at Overlake Eyecare in Bellevue, Washington
William Prothero's primary practice is Overlake Eyecare, at 1837 156th Ave Ne Suite 201 Suite 201, Bellevue, WA 98007-4387. The practice phone is (425) 643-2020.
- Overlake Eyecare1837 156th Ave Ne Suite 201 Suite 201, Bellevue, WA 98007-4387Phone(425) 643-2020
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
William Joseph Prothero is affiliated with 1 site of care and 1 medical group
William Prothero's primary practice is Overlake Eyecare in Bellevue, Washington. Dmand AI also links William Prothero to 1 medical group, 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 William Joseph Prothero's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Prothero practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Overlake Eyecare | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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William Joseph Prothero is one of 1,258 optometrists in Washington
Optometrist is William Prothero's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Dmand AI has William Prothero's licenses on file in 2 states: Washington and California.
Specialties and state licenses
- Optometrist, WashingtonPrimary
- California license
Optometrists near William Prothero
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
William Joseph Prothero's patients have a median age of 75
Across all payers, Dmand AI patient panel data puts William Prothero's median patient age at 75, with 40% women.
William Prothero's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women40%
- Men50%
Source: Dmand AI Patient Panel Data
William Joseph Prothero graduated from Ohio State University - College of Optometry
William Prothero graduated from Ohio State University - College of Optometry in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for William Joseph Prothero'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 |
| 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 William Joseph Prothero
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What is William Joseph Prothero's NPI number?
William Joseph Prothero's NPI number is 1144223405. It was assigned on May 31, 2005, and it is active in the NPI Registry.
What does William Joseph Prothero specialize in?
William Joseph Prothero is an optometrist in Bellevue, Washington. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does William Joseph Prothero practice?
William Prothero practices at 1837 156th Ave Ne Suite 201 Suite 201, Bellevue, WA 98007-4387. William Prothero's primary practice is Overlake Eyecare in Bellevue, Washington. Dmand AI also links William Prothero to 1 medical group.
What is William Joseph Prothero's office phone number?
The practice phone on file for William Prothero is (425) 643-2020.
What is William Joseph Prothero's medical license number?
William Prothero holds Washington license OD00001765, one of the licenses on file in 2 states.
Which states has William Joseph Prothero been licensed in?
Dmand AI has state licenses on file for William Prothero in Washington and California.
Where did William Joseph Prothero go to medical school?
William Prothero graduated from Ohio State University - College of Optometry in 1987.
How long has William Joseph Prothero been practicing?
William Prothero graduated from medical school in 1987, 39 years ago.
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