Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Thomas H Clark PC

Q: What is the NPI number for Thomas H Clark PC?

The NPI for Thomas H Clark PC is 1700212438, a Type 2 (organization) record in the CMS NPPES registry.

Optometrist in Williston, VT · enumerated 2013 · authorized official Thomas Clark, Owner.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1700212438

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Registry record

Entity type Organization (Type 2)

Legal business name Thomas H Clark PC

Practice address 33 Blair Park Rd, #101, Williston, VT, 05495

Phone (802) 862-1947

Fax (802) 878-4874

Enumeration date Sep 26, 2013

Last updated in NPPES Oct 9, 2014

Taxonomy & classification

152W00000X Optometrist Eye and Vision Services Providers Primary

Authorized official

Name Thomas Clark

Title Owner

Phone (802) 862-1947

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Thomas H Clark PC?

The NPI for Thomas H Clark PC is 1700212438, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Thomas H Clark PC?

NPPES lists Thomas Clark (Owner) as the authorized official for this organization.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-10-09.