Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Sharon Ruth Nassau, PH.D.
Clinical Psychologist in Flint, MI · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1861682577
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Registry record
Entity type Individual (Type 1)
Name Dr. Sharon Ruth Nassau
Credential PH.D.
Sex Female
Practice address 1290 S Graham Rd, Flint, MI, 48532
Phone (810) 720-1776
Fax (810) 733-1299
Enumeration date Jul 29, 2007
Last updated in NPPES Jul 29, 2007
Taxonomy & licenses
103G00000X Clinical Neuropsychologist Behavioral Health & Social Service Providers · License 6301007929 (MI) Secondary
103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License 6301007929 (MI) 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.
Frequently asked questions
Is NPI 1861682577 active?
Yes, as of the latest NPPES snapshot, NPI 1861682577 is active (record last updated 2007-07-29).
How do I verify Sharon Nassau's NPI record?
Cross-check NPI 1861682577 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-29.