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Dr. Robert Clayton Sink, DDS

Dr. Robert Clayton Sink is a General Practice Dentistry provider (Dentist) practicing in Clinton, NC, registered in the NPPES registry with NPI 1134208945 since 2006. The credential DDS stands for Doctor of Dental Surgery.

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NPI 1134208945
Entity type Individual (Type 1)
Name Dr. Robert Clayton Sink
Credential DDS
Sex Male
Practice address Clinton, NC, 28328
Phone 9105921478
Fax 9105923316
Enumeration date 2006-11-03
Last updated in NPPES 2007-07-08

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

Taxonomy code Specialty Primary License State
1223G0001X General Practice Dentistry Primary 5185 NC

DDS — Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS credential

Copy-ready billing details
Provider: Robert Sink, DDS
NPI: 1134208945
Taxonomy: 1223G0001X (General Practice Dentistry)
Address: Clinton, NC, 28328

Other providers at this practice address

NPI Name Type Specialty Location
1023757911 Lauren Phillips Individual Dentist Clinton, NC
1629895610 Robert C Sink, DDS Organization General Practice Dentistry Clinton, NC
1346063385 Lauren Sink Phillips DDS Pllc Organization General Practice Dentistry Clinton, NC

Verify this record

Cross-check NPI 1134208945 against the authoritative CMS record: view Dr. Robert Clayton Sink on the official NPPES registry .

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. Read the full guide or validate an NPI number.

Frequently asked questions

Where does Robert Sink practice?
The practice location on file with NPPES is in Clinton, NC. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Robert Sink?
The National Provider Identifier (NPI) for Robert Sink is 1134208945, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2007-07-08.