Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mark E Kraynak, ACSW

Q: What is the NPI number for Mark Kraynak?

The National Provider Identifier (NPI) for Mark Kraynak is 1710039516, a Type 1 (individual) record in the CMS NPPES registry.

Clinical Social Worker in Saginaw, MI · enumerated 2007.

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

National Provider Identifier

1710039516

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Registry record

Entity type Individual (Type 1)

Name Mark E Kraynak

Credential ACSW

Sex Male

Practice address 3340 Hospital Rd, Saginaw, MI, 48603

Phone (989) 790-7700

Fax (989) 964-5008

Enumeration date Jan 18, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License MK065692 (MI) Primary

Other identifiers

Identifier	Type	State	Issuer
0996581	Other	MI	HEALTHPLUS OF MICHIGAN

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 Mark Kraynak?

The National Provider Identifier (NPI) for Mark Kraynak is 1710039516, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mark Kraynak practice?

The practice location on file with NPPES is in Saginaw, MI. 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 2007-07-08.