Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Thea Angela Johnson, MS

Q: What is the NPI number for Thea Johnson?

The National Provider Identifier (NPI) for Thea Johnson is 1538312954, a Type 1 (individual) record in the CMS NPPES registry.

Genetic Counselor (M.S.) in Appleton, WI · enumerated 2008.

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

National Provider Identifier

1538312954

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Registry record

Entity type Individual (Type 1)

Name Mrs. Thea Angela Johnson

Credential MS

Sex Female

Practice address 1506 S Oneida St, St. Elizabeth Hospital, 4n, Appleton, WI, 54915

Phone (920) 831-1284

Enumeration date Oct 29, 2008

Last updated in NPPES Jul 29, 2009

Taxonomy & licenses

170300000X Genetic Counselor (M.S.) Other Service Providers 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 Thea Johnson?

The National Provider Identifier (NPI) for Thea Johnson is 1538312954, a Type 1 (individual) record in the CMS NPPES registry.

Where does Thea Johnson practice?

The practice location on file with NPPES is in Appleton, WI. 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 2009-07-29.