Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Herbert Richard Nachtrab III, DMD

Orthodontics and Dentofacial Orthopedics Dentistry in South Weymouth, MA · enumerated 2006.

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

National Provider Identifier

1538186564

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Registry record

Entity type Individual (Type 1)

Name Dr. Herbert Richard Nachtrab III

Credential DMD

Sex Male

Practice address 1121 Main Street, Unit 1, South Weymouth, MA, 02190

Phone (781) 337-1355

Fax (781) 337-7349

Enumeration date Jul 16, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

1223X0400X Orthodontics and Dentofacial Orthopedics Dentistry Dental Providers · License 14911 (MA) Primary

DMD · Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees. About the DMD 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 Herbert Nachtrab?

The National Provider Identifier (NPI) for Herbert Nachtrab is 1538186564, a Type 1 (individual) record in the CMS NPPES registry.

Where does Herbert Nachtrab practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.