Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Cynthia S. Mester, PH.D.

Mental Health Counselor in Springfield, IL · enumerated 2008.

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

National Provider Identifier

1346428786

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Registry record

Entity type Individual (Type 1)

Name Cynthia S. Mester

Credential PH.D.

Sex Female

Practice address 200 W Lake Dr, Springfield, IL, 62703

Phone (217) 529-9775

Fax (217) 529-9803

Enumeration date Feb 7, 2008

Last updated in NPPES Feb 7, 2008

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers 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.

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Frequently asked questions

What is the NPI number for Cynthia Mester?

The National Provider Identifier (NPI) for Cynthia Mester is 1346428786, a Type 1 (individual) record in the CMS NPPES registry.

Where does Cynthia Mester practice?

The practice location on file with NPPES is in Springfield, IL. 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 2008-02-07.