NPI Portal NPI Lookup & Verification

Dr. Brian Lawrence Sullivan Jr., DMD

Dr. Brian Lawrence Sullivan Jr. is a Dentist provider (Dentist) practicing in Derry, NH, registered in the NPPES registry with NPI 1740859966 since 2021. The credential DMD stands for Doctor of Medicine in Dentistry. Practices at 42 North Dental Care, Pllc (listed at the same practice address in NPPES).

✓ Active NPI ✓ Valid NPI checksum

NPI 1740859966
Entity type Individual (Type 1)
Name Dr. Brian Lawrence Sullivan Jr.
Credential DMD
Sex Male
Practice address 55 E BROADWAY UNIT 1, Derry, NH, 03038
Phone 6035483865
Enumeration date 2021-06-22
Last updated in NPPES 2021-06-22

Taxonomy & licenses

Taxonomy code Specialty Primary License State
122300000X Dentist Primary 04654 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: Brian Sullivan, DMD
NPI: 1740859966
Taxonomy: 122300000X (Dentist)
Address: 55 E BROADWAY UNIT 1, Derry, NH, 03038

Other providers at this practice address

NPI Name Type Specialty Location
1346640885 Robert Miskimen Individual Oral and Maxillofacial Surgery (Dentist) Derry, NH
1710532577 42 North Dental Care, Pllc Organization Dental Clinic/Center Derry, NH
1760164768 Sumeet Panesar Individual General Practice Dentistry Derry, NH
1336978188 Ronen Mavashev Individual Dentist Derry, NH

Verify this record

Cross-check NPI 1740859966 against the authoritative CMS record: view Dr. Brian Lawrence Sullivan Jr. 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 Brian Sullivan?
The National Provider Identifier (NPI) for Brian Sullivan is 1740859966, a Type 1 (individual) record in the CMS NPPES registry.
Where does Brian Sullivan practice?
The practice location on file with NPPES is in Derry, 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 2021-06-22.