DR. WILLIAM V CHESLOCK (OD) – Optometrist, NPI 1649368200

DR. WILLIAM V CHESLOCK (OD) is a healthcare provider. based in Longview, Washington. specializing in OPTOMETRY. They hold the professional credentials OD. They hold a License No. OD00001352 (WA). The NPI Number for DR. WILLIAM V CHESLOCK (OD) is 1649368200

Main info

Male
46 Years Of Experience
Accepts Medicare Assignment
Name
DR. WILLIAM V CHESLOCK (OD)
NPI
1649368200
Phone
(360) 577-1500
Address
950 11TH AVE
Enumeration Date
10 October 2006
Last Update Date
15 July 2009

Doctor Profile

Medical School Name
PACIFIC UNIVERSITY - COLLEGE OF OPTOMETRY
Secondary Phone
3605771500
Graduation Year
1980 (46 years ago)
PAC ID
6002808334
Group Practice PAC ID
3476927997
Professional Enrollment ID
I20050705000863
Address ID
WA986322504LO950XXAVEX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

1,098 OPTOMETRY in WA

Provider Addresses for DR. WILLIAM V CHESLOCK (OD)

  • 950 11TH AVE

    LONGVIEW, WA 986322504

    Phone: (360) 577-1500

    Fax: (360) 577-0735

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 12 Open Payments records for all available years, with a total value of $403.

Total Amount is formed as General ($403) + Research ($0) + Ownership ($0) = $403.

Last reported payment date: 2024-12-05 • Largest payer in this snapshot: Bausch & Lomb Americas Inc. ($255).

Total Amount

$403

General + Research + Ownership

Payments

12

Total payment records

General Amount

$403

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-05

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2005-07-05

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20050705000863IOptometryWATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
92250Photography of the retina318296$0
99213Established patient office or other outpatient visit, 20-29 minutes257169$0
99214Established patient office or other outpatient visit, 30-39 minutes236160$0
92014Established patient complete exam of visual system231225$0
92134Imaging of retina184159$0
View full utilization report →

Insurance plans in this area (ZIP 98632)

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Provider's Procedures

DR. WILLIAM V CHESLOCK (OD) performs procedures in OPTOMETRY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
OPTOMETRYWA92083Measurement of field of vision during daylight conditions10487
OPTOMETRYWA92134Diagnostic imaging of retina213187

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 3476927997View full group profile
NameSpecialtyState
O P T O M E T R YHI
O P T O M E T R YWA
O P T O M E T R YWA
O P T O M E T R YOR
O P T O M E T R YUT
O P T O M E T R YWA
O P T O M E T R YWA
O P T O M E T R YWA
O P T O M E T R YWA
O P T O M E T R YIN

Reviews

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Frequently asked questions

What is DR. WILLIAM V CHESLOCK (OD)'s NPI number?
DR. WILLIAM V CHESLOCK (OD)'s NPI is 1649368200 — the number used across U.S. healthcare to identify this provider.
Is DR. WILLIAM V CHESLOCK (OD) still an active registrant?
DR. WILLIAM V CHESLOCK (OD) carries an active NPI according to the public dataset.
What area of care is associated with DR. WILLIAM V CHESLOCK (OD)?
DR. WILLIAM V CHESLOCK (OD)'s record emphasizes Optometrist. Clinical services aligned with this taxonomy classification.
What practice footprint exists for DR. WILLIAM V CHESLOCK (OD)?
Travel planning: use Longview, Washington as the reference point for DR. WILLIAM V CHESLOCK (OD), then confirm.
Can I trust this NPI listing for DR. WILLIAM V CHESLOCK (OD)?
The listing is sourced from the national NPI registry. If something looks off, compare with NPPES and the clinic's website.

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