William V. Cheslock, OD
- Medicare patients, 2024
- 412
- Part D claims, 2024
- 436
- Industry payments
- $193
- Affiliated sites
- 2
- Medical groups
- 2
- Practice address
- 950 11th Ave, Longview, WA 98632
- Practice phone
- Call (360) 577-1500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Cascade Eye Care PS
Longview, Washington
Find William Cheslock'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 V. Cheslock is an optometrist in Longview, Washington
William Cheslock practices at Cascade Eye Care PS in Longview, Washington.
William Cheslock's NPI, 1649368200, was assigned on October 10, 2006. William Cheslock graduated from Pacific University - College of Optometry in 1980. William Cheslock holds Washington license OD00001352.
- NPI
- 1649368200NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6002808334
- NPI enumeration date
- October 10, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (360) 577-1500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
William V. Cheslock practices at Cascade Eye Care PS in Longview, Washington
William Cheslock's primary practice is Cascade Eye Care PS, at 950 11th Ave, Longview, WA 98632 in Cowlitz County. The practice phone is (360) 577-1500.
- Cascade Eye Care PS950 11th Ave, Longview, WA 98632 · Cowlitz CountyPhone(360) 577-1500
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
William V. Cheslock is affiliated with 3 sites of care and 2 medical groups
William Cheslock's primary practice is Cascade Eye Care PS in Longview, Washington. Dmand AI also links William Cheslock to 2 group practices and clinics and 2 medical groups, each 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 William V. Cheslock's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Cheslock practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cascade Eye Care PS | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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William V. Cheslock is one of 1,258 optometrists in Washington
Optometrist is William Cheslock's primary specialty in the NPI Registry, under taxonomy code 152W00000X. William Cheslock is licensed in Washington.
Specialties and state licenses
- Optometrist, WashingtonPrimary
Optometrists near William Cheslock
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 V. Cheslock treated 412 Medicare patients in 2024, average age 76
CMS counts 412 Medicare patients who saw William Cheslock in 2024. The largest group is 75 to 84, with 177 patients. 69% of them have high blood pressure, and 67% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.04, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts William Cheslock's median patient age at 73, with 63% women.
William Cheslock's Medicare patients by age, 2024
William Cheslock's Medicare patients by sex, 2024
- Women23457%
- Men17843%
Chronic conditions among William Cheslock's Medicare patients, 2024
- High blood pressure69%
- High cholesterol67%
- Arthritis36%
- Diabetes27%
- Chronic kidney disease22%
- Ischemic heart disease19%
- Atrial fibrillation18%
- Cancer17%
Share of Medicare patients with each condition. A patient can have several.
William Cheslock's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women63%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
William V. Cheslock wrote 436 Medicare Part D claims in 2024
In 2024, William Cheslock wrote 436 Medicare Part D claims for 119 patients. 70% of them were for generic drugs.
William Cheslock's Part D claims by kind of drug, 2024
- Generic305 claims70%
- Brand-name131 claims30%
Drug classes CMS tracks in William Cheslock's Part D claims, 2024
- Antibiotics6%27 of 436 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
William V. Cheslock ranks in the 57th percentile for cataract surgery in Medicare
William Cheslock accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 36 procedures of cataract surgery by William Cheslock, more than 57% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where William Cheslock ranks in Medicare procedure volume
- Cataract surgery
- 57th percentile36 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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William V. Cheslock received $193 in industry payments in 2025
CMS Open Payments shows 4 general payments to William Cheslock from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Bausch & Lomb Americas Inc. paid the most, $176.
Companies that paid William Cheslock the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
William V. Cheslock graduated from Pacific University - College of Optometry
William Cheslock graduated from Pacific University - College of Optometry in 1980.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for William V. Cheslock'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) |
| 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)Doctors and Clinicians Utilization Data (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 William V. Cheslock
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is William V. Cheslock's NPI number?
William V. Cheslock's NPI number is 1649368200. It was assigned on October 10, 2006, and it is active in the NPI Registry.
What does William V. Cheslock specialize in?
William V. Cheslock is an optometrist in Longview, Washington. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does William V. Cheslock practice?
William Cheslock practices at 950 11th Ave, Longview, WA 98632. William Cheslock's primary practice is Cascade Eye Care PS in Longview, Washington. Dmand AI also links William Cheslock to 2 group practices and clinics and 2 medical groups.
What is William V. Cheslock's office phone number?
The practice phone on file for William Cheslock is (360) 577-1500.
What is William V. Cheslock's medical license number?
William Cheslock holds Washington license OD00001352.
Does William V. Cheslock accept Medicare?
Yes. CMS lists William Cheslock as accepting Medicare assignment.
How many Medicare patients does William V. Cheslock see?
CMS counts 412 Medicare patients who saw William Cheslock in 2024, with an average age of 76.
Where did William V. Cheslock go to medical school?
William Cheslock graduated from Pacific University - College of Optometry in 1980.
Has William V. Cheslock received payments from drug or device companies?
CMS Open Payments shows $193 in general payments to William Cheslock from 2 companies from 2025 to 2025. The largest total came from Bausch & Lomb Americas Inc.
How long has William V. Cheslock been practicing?
William Cheslock graduated from medical school in 1980, 46 years ago.
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