NPI Portal NPI Lookup & Verification

John P Blatz Jr., DDS

John P Blatz Jr. is a Dentist provider (Dentist) practicing in Brockton, MA, registered in the NPPES registry with NPI 1154545507 since 2007. The credential DDS stands for Doctor of Dental Surgery. Practices at John P Blatz Jr DDS PC (listed at the same practice address in NPPES).

✓ Active NPI ✓ Valid NPI checksum

NPI 1154545507
Entity type Individual (Type 1)
Name John P Blatz Jr.
Credential DDS
Sex Male
Practice address 288 BELMONT STREET, Brockton, MA, 02301
Phone 5085830103
Fax 5085830140
Enumeration date 2007-04-13
Last updated in NPPES 2016-06-20

Taxonomy & licenses

Taxonomy code Specialty Primary License State
122300000X Dentist Primary 15570 MA

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

Copy-ready billing details
Provider: John Blatz, DDS
NPI: 1154545507
Taxonomy: 122300000X (Dentist)
Address: 288 BELMONT STREET, Brockton, MA, 02301

Other providers at this practice address

NPI Name Type Specialty Location
1942320254 Stephen Black Individual Dentist Brockton, MA
1053431361 John P Blatz Jr DDS PC Organization Dentist Brockton, MA

Verify this record

Cross-check NPI 1154545507 against the authoritative CMS record: view John P Blatz 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

Where does John Blatz practice?
The practice location on file with NPPES is in Brockton, MA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for John Blatz?
The National Provider Identifier (NPI) for John Blatz is 1154545507, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2016-06-20.