Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Marilyn Serino

Social Worker in Denton, MD · enumerated 2019.

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

National Provider Identifier

1518423060

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Registry record

Entity type Individual (Type 1)

Name Marilyn Serino

Sex Female

Practice address 207 South 7th Street, Denton, MD, 21629

Phone (410) 479-8163

Enumeration date Feb 20, 2019

Last updated in NPPES Feb 20, 2019

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 22427 (MD) 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 Marilyn Serino?

The National Provider Identifier (NPI) for Marilyn Serino is 1518423060, a Type 1 (individual) record in the CMS NPPES registry.

Where does Marilyn Serino practice?

The practice location on file with NPPES is in Denton, MD. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-02-20.