Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Christine Karolus, PT

Physical Therapist in Bridgeport, CT · enumerated 2021.

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

National Provider Identifier

1699435859

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Registry record

Entity type Individual (Type 1)

Name Christine Karolus

Credential PT

Sex Female

Practice address 2800 Main St, Bridgeport, CT, 06606

Phone (475) 210-6000

Enumeration date Dec 29, 2021

Last updated in NPPES Dec 29, 2021

Taxonomy & licenses

225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 006872 (CT) 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 1699435859 active?

Yes, as of the latest NPPES snapshot, NPI 1699435859 is active (record last updated 2021-12-29).

How do I verify Christine Karolus's NPI record?

Cross-check NPI 1699435859 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 2021-12-29.