Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Alejandro Castano, DDS

Periodontics in Denville, NJ · enumerated 2016.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1689129942

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Registry record

Entity type Individual (Type 1)

Name Alejandro Castano

Credential DDS

Sex Male

Practice address 16 Pocono Rd Ste 213, Denville, NJ, 07834

Phone (973) 625-0602

Fax (973) 625-8077

Enumeration date Aug 16, 2016

Last updated in NPPES Sep 17, 2020

Taxonomy & licenses

1223P0300X Periodontics Dental Providers · License 059538-01 (NY) Secondary

1223P0300X Periodontics Dental Providers · License 22DI02604700 (NJ) Primary

1223P0300X Periodontics Dental Providers · License DN18575614 (MA) Secondary

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

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Alejandro Castano?

The National Provider Identifier (NPI) for Alejandro Castano is 1689129942, a Type 1 (individual) record in the CMS NPPES registry.

Where does Alejandro Castano practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-09-17.