Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Geraldine Zachos Williams, D.C.
Chiropractor in Alpena, MI · enumerated 2011.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1093002099
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Registry record
Entity type Individual (Type 1)
Name Geraldine Zachos Williams
Credential D.C.
Sex Female
Practice address 525 S. State Ave, Alpena, MI, 49707
Phone (989) 356-9355
Fax (989) 340-1030
Enumeration date Jun 29, 2011
Last updated in NPPES Jun 14, 2026
Taxonomy & licenses
DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders.
About the DC 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
Where does Geraldine Williams practice?
The practice location on file with NPPES is in Alpena, MI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Geraldine Williams?
The National Provider Identifier (NPI) for Geraldine Williams is 1093002099, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-06-14.