Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Mrs. Katherine Anne Chalmers, OTRL

Occupational Therapist in Lutherville, MD · enumerated 2007.

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

National Provider Identifier

1578784633

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Registry record

Entity type Individual (Type 1)

Name Mrs. Katherine Anne Chalmers

Credential OTRL

Sex Female

Practice address Lutherville, MD, 21093

Phone (410) 832-2398

Enumeration date May 2, 2007

Last updated in NPPES Jul 8, 2007

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

225X00000X Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 04679 (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

Where does Katherine Chalmers practice?

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

What is the NPI number for Katherine Chalmers?

The National Provider Identifier (NPI) for Katherine Chalmers is 1578784633, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Kristi Hanlon Occupational Therapy Assistant · Lutherville, MD NPI 1326264243 Nicholette Panas Physical Therapy Assistant · Lutherville, MD NPI 1780008359

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.