Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Sandra J Twedt, PT

Physical Therapist in Chesterton, IN · enumerated 2006.

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

National Provider Identifier

1700991643

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Registry record

Entity type Individual (Type 1)

Name Sandra J Twedt

Credential PT

Sex Female

Practice address 601 Gateway Blvd N, Chesterton, IN, 46304

Phone (219) 921-1444

Enumeration date Aug 20, 2006

Last updated in NPPES Apr 3, 2018

Taxonomy & licenses

225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 05008503A (IN) Primary

PT · Physical Therapist: A licensed movement specialist treating injury and disability through exercise and rehabilitation. About the PT credential

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

Is NPI 1700991643 active?

Yes, as of the latest NPPES snapshot, NPI 1700991643 is active (record last updated 2018-04-03).

How do I verify Sandra Twedt's NPI record?

Cross-check NPI 1700991643 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-04-03.