Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Marlene Annette Lacy, OTR-L

Q: What is the NPI number for Marlene Lacy?

The National Provider Identifier (NPI) for Marlene Lacy is 1396870564, a Type 1 (individual) record in the CMS NPPES registry.

Occupational Therapist in Chandler, AZ · enumerated 2007 · practices at Chandler Unified School District.

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

National Provider Identifier

1396870564

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Registry record

Entity type Individual (Type 1)

Name Mrs. Marlene Annette Lacy

Credential OTR-L

Sex Female

Practice address 1525 W Frye Rd, Chandler, AZ, 85224

Phone (480) 812-7000

Enumeration date Feb 21, 2007

Last updated in NPPES Jul 9, 2007

Taxonomy & licenses

225X00000X Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 0491 (AZ) Primary

Other identifiers

Identifier	Type	State	Issuer
549438	Medicaid	AZ	-

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 Marlene Lacy?

The National Provider Identifier (NPI) for Marlene Lacy is 1396870564, a Type 1 (individual) record in the CMS NPPES registry.

Where does Marlene Lacy practice?

The practice location on file with NPPES is in Chandler, AZ. 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 2007-07-09.