Dr. Timothy Stephen Ahern, DMD

Dr. Timothy Stephen Ahern is a General Practice Dentistry provider (Dentist) practicing in Exeter, NH, registered in the NPPES registry with NPI 1003337288 since 2017. The credential DMD stands for Doctor of Medicine in Dentistry.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI	1003337288
Entity type	Individual (Type 1)
Name	Dr. Timothy Stephen Ahern
Credential	DMD
Sex	Male
Practice address	Exeter, NH, 03833
Phone	6035834533
Enumeration date	2017-06-28
Last updated in NPPES	2022-07-21

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	04325	NH

DMD — Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees. About the DMD credential

Copy-ready billing details

Provider: Timothy Ahern, DMD
NPI: 1003337288
Taxonomy: 1223G0001X (General Practice Dentistry)
Address: Exeter, NH, 03833

Other providers at this practice address

NPI	Name	Type	Specialty	Location
1821175738	John Ahern	Individual	General Practice Dentistry	Exeter, NH
1730258641	Matthew Heimbach	Individual	General Practice Dentistry	Exeter, NH

Verify this record

Cross-check NPI 1003337288 against the authoritative CMS record: view Dr. Timothy Stephen Ahern 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

What is the NPI number for Timothy Ahern?

The National Provider Identifier (NPI) for Timothy Ahern is 1003337288, a Type 1 (individual) record in the CMS NPPES registry.

Where does Timothy Ahern practice?

The practice location on file with NPPES is in Exeter, NH. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2022-07-21.