Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Christopher Nicholas Siachos, DMD
Dentist in Greenville, SC · enumerated 2009.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1841438363
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Registry record
Entity type Individual (Type 1)
Name Christopher Nicholas Siachos
Credential DMD
Sex Male
Practice address 1352 Cleveland St Ste A, Greenville, SC, 29607
Phone (864) 271-4006
Fax (864) 271-4370
Enumeration date Jan 22, 2009
Last updated in NPPES Jan 22, 2009
Taxonomy & licenses
DMD · Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees.
About the DMD 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 Christopher Siachos practice?
The practice location on file with NPPES is in Greenville, SC. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Christopher Siachos?
The National Provider Identifier (NPI) for Christopher Siachos is 1841438363, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → John R White DDS and Christopher N Siachos Dmd PA General Practice Dentistry · Greenville, SC NPI 1598907305 John R White DDS & Christopher N Siachos Customized Equipment (DME) · Greenville, SC NPI 1083950042 Family Dental Health of Cleveland Street, LLC General Practice Dentistry · Greenville, SC NPI 1619325107
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-01-22.