Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Lydia Grace Steimer

Behavior Analyst in Marietta, GA · enumerated 2023.

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

National Provider Identifier

1053184804

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Registry record

Entity type Individual (Type 1)

Name Lydia Grace Steimer

Sex Female

Practice address 1675 Terrell Mill Rd Se, Marietta, GA, 30067

Phone (888) 517-8377

Enumeration date Nov 2, 2023

Last updated in NPPES Nov 2, 2023

Taxonomy & licenses

103K00000X Behavior Analyst Behavioral Health & Social 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 Lydia Steimer?

The National Provider Identifier (NPI) for Lydia Steimer is 1053184804, a Type 1 (individual) record in the CMS NPPES registry.

Where does Lydia Steimer practice?

The practice location on file with NPPES is in Marietta, GA. 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 2023-11-02.