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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Crystal Louise Olmstead, PCC#3819ANDLSW#21302

Social Worker in Dayton, OH · enumerated 2015 · practices at Family Service Association.

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

National Provider Identifier

1639563984

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Registry record

Entity type Individual (Type 1)
Name Ms. Crystal Louise Olmstead
Credential PCC#3819ANDLSW#21302
Sex Female
Practice address 2211 Arbor Blvd., Dayton, OH, 45439
Phone (937) 222-9481
Fax (937) 222-3710
Enumeration date Mar 25, 2015
Last updated in NPPES Mar 25, 2015

Taxonomy & licenses

101Y00000X Counselor Behavioral Health & Social Service Providers · License PCC#E318 (OH) Secondary
104100000X Social Worker Behavioral Health & Social Service Providers · License LSW#521302 (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 is the NPI number for Crystal Olmstead?
The National Provider Identifier (NPI) for Crystal Olmstead is 1639563984, a Type 1 (individual) record in the CMS NPPES registry.
Where does Crystal Olmstead practice?
The practice location on file with NPPES is in Dayton, OH. 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 2015-03-25.