Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Marika Elaine Zandstra, P.T.

Physical Therapist in Valparaiso, IN · enumerated 2012.

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

National Provider Identifier

1720350846

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Registry record

Entity type Individual (Type 1)

Name Marika Elaine Zandstra

Credential P.T.

Sex Female

Practice address 1101 Glendale Blvd, Suite 11, Valparaiso, IN, 46383

Phone (219) 476-0377

Enumeration date Feb 6, 2012

Last updated in NPPES May 14, 2015

Taxonomy & licenses

225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 070012289 (IL) Secondary

225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 05007074A (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

What is the NPI number for Marika Zandstra?

The National Provider Identifier (NPI) for Marika Zandstra is 1720350846, a Type 1 (individual) record in the CMS NPPES registry.

Where does Marika Zandstra practice?

The practice location on file with NPPES is in Valparaiso, IN. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-05-14.