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

Mrs. Sheryl Ann Knorr, P.T.A

Q: What is the NPI number for Sheryl Knorr?

The National Provider Identifier (NPI) for Sheryl Knorr is 1427426246, a Type 1 (individual) record in the CMS NPPES registry.

Physical Therapy Assistant in Plymouth, WI · enumerated 2015 · practices at County of Sheboygan.

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

National Provider Identifier

1427426246

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Mrs. Sheryl Ann Knorr

Credential P.T.A

Sex Female

Practice address Plymouth, WI, 53073

Phone (920) 449-1254

Fax (920) 892-9256

Enumeration date Sep 10, 2015

Last updated in NPPES Sep 10, 2015

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 1862-19 (WI) 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 Sheryl Knorr?

The National Provider Identifier (NPI) for Sheryl Knorr is 1427426246, a Type 1 (individual) record in the CMS NPPES registry.

Where does Sheryl Knorr practice?

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

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-09-10.