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Lydia Hays

Q: What is the NPI number for Lydia Hays?

The National Provider Identifier (NPI) for Lydia Hays is 1841160744, a Type 1 (individual) record in the CMS NPPES registry.

Developmental - Behavioral Pediatrics Physician in Merrillville, IN · enumerated 2025.

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

National Provider Identifier

1841160744

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Registry record

Entity type Individual (Type 1)

Name Lydia Hays

Sex Female

Practice address 370 W 80th Pl, Merrillville, IN, 46410

Phone (219) 513-8311

Enumeration date Nov 6, 2025

Last updated in NPPES Nov 6, 2025

Taxonomy & licenses

2080P0006X Developmental - Behavioral Pediatrics Physician Allopathic & Osteopathic Physicians · License 3360-28-7847 (IN) 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

What is the NPI number for Lydia Hays?

The National Provider Identifier (NPI) for Lydia Hays is 1841160744, a Type 1 (individual) record in the CMS NPPES registry.

Where does Lydia Hays practice?

The practice location on file with NPPES is in Merrillville, IN. 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 2025-11-06.