Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Marilyn Shaffer Zishka, LISW

Social Worker in Lisbon, OH · enumerated 2006.

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

National Provider Identifier

1245267590

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Registry record

Entity type Individual (Type 1)

Name Marilyn Shaffer Zishka

Credential LISW

Sex Female

Practice address 964 N Market St, Lisbon, OH, 44432

Phone (330) 424-1468

Fax (330) 424-9844

Enumeration date Jun 26, 2006

Last updated in NPPES Dec 3, 2020

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License I0028838 (OH) 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 specialty is Marilyn Shaffer Zishka?

Marilyn Shaffer Zishka is registered in NPPES with the primary taxonomy of Social Worker. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-12-03.