NPI Portal NPI Lookup & Verification

Alex Gruenberg, DDS

Alex Gruenberg is a Dentist provider (Dentist) practicing in Hialeah, FL, registered in the NPPES registry with NPI 1255844924 since 2017. The credential DDS stands for Doctor of Dental Surgery. Practices at Usv Optical Inc (listed at the same practice address in NPPES).

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI 1255844924
Entity type Individual (Type 1)
Name Alex Gruenberg
Credential DDS
Sex Male
Practice address Hialeah, FL, 33012
Phone 3058287779
Enumeration date 2017-11-15
Last updated in NPPES 2017-11-15

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

Taxonomy & licenses

Taxonomy code Specialty Primary License State
122300000X Dentist Primary DN22951 FL

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

Copy-ready billing details
Provider: Alex Gruenberg, DDS
NPI: 1255844924
Taxonomy: 122300000X (Dentist)
Address: Hialeah, FL, 33012

Other providers at this practice address

NPI Name Type Specialty Location
1902828577 Usv Optical Inc Organization Eyewear Supplier Hialeah, FL

Verify this record

Cross-check NPI 1255844924 against the authoritative CMS record: view Alex Gruenberg 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 Alex Gruenberg?
The National Provider Identifier (NPI) for Alex Gruenberg is 1255844924, a Type 1 (individual) record in the CMS NPPES registry.
Where does Alex Gruenberg practice?
The practice location on file with NPPES is in Hialeah, FL. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2017-11-15.