Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Marilyn Louise Slovak, PH.D.

Clinical Laboratory Director (Non-physician) in Duarte, CA · enumerated 2007.

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

National Provider Identifier

1528277654

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Registry record

Entity type Individual (Type 1)

Name Dr. Marilyn Louise Slovak

Credential PH.D.

Sex Female

Practice address 1500 Duarte Rd, Northwest Building, Room 2255, Duarte, CA, 91010

Phone (626) 256-4673

Fax (626) 301-8877

Enumeration date May 22, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

247ZC0005X Clinical Laboratory Director (Non-physician) Technologists, Technicians & Other Technical Service Providers · License DRM11 (CA) Primary

PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers. About the PHD credential

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 Marilyn Slovak?

The National Provider Identifier (NPI) for Marilyn Slovak is 1528277654, a Type 1 (individual) record in the CMS NPPES registry.

Where does Marilyn Slovak practice?

The practice location on file with NPPES is in Duarte, CA. 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 2007-07-08.