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Karen Elaine Martz

Gerontology Occupational Therapist in Millersville, MD · enumerated 2007 · practices at Knollwood Manor, Inc.

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

National Provider Identifier

1598889396

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Registry record

Entity type Individual (Type 1)
Name Karen Elaine Martz
Sex Female
Practice address 899 Cecil Ave S, Millersville, MD, 21108
Phone (410) 923-2020
Fax (410) 923-2028
Enumeration date Mar 19, 2007
Last updated in NPPES Jun 9, 2009

Taxonomy & licenses

225XG0600X Gerontology Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 06028 (MD) Primary

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.

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Frequently asked questions

What is the NPI number for Karen Martz?
The National Provider Identifier (NPI) for Karen Martz is 1598889396, a Type 1 (individual) record in the CMS NPPES registry.
Where does Karen Martz practice?
The practice location on file with NPPES is in Millersville, MD. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-06-09.