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

Mrs. Kelli Dawn Grismer, PTA

Physical Therapy Assistant in Watertown, SD · enumerated 2007.

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

National Provider Identifier

1891988804

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Registry record

Entity type Individual (Type 1)

Name Mrs. Kelli Dawn Grismer

Credential PTA

Sex Female

Practice address Watertown, SD, 57201

Phone (605) 882-3724

Enumeration date Aug 22, 2007

Last updated in NPPES Aug 22, 2007

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

Taxonomy & licenses

225200000X Physical Therapy Assistant Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 0169 (SD) 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Kelli Grismer?

The National Provider Identifier (NPI) for Kelli Grismer is 1891988804, a Type 1 (individual) record in the CMS NPPES registry.

Where does Kelli Grismer practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-08-22.