Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Carol E. Layton, DMD
Dentist in Hummelstown, PA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1912078288
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Carol E. Layton
Credential DMD
Sex Female
Practice address 273 Hershey Road, Hummelstown, PA, 17036
Phone (717) 220-1792
Fax (717) 220-1796
Enumeration date Nov 10, 2006
Last updated in NPPES Oct 2, 2019
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
What is the NPI number for Carol Layton?
The National Provider Identifier (NPI) for Carol Layton is 1912078288, a Type 1 (individual) record in the CMS NPPES registry.
Where does Carol Layton practice?
The practice location on file with NPPES is in Hummelstown, PA. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-10-02.