Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Karl Weiss, DMD

Q: What is the NPI number for Karl Weiss?

The National Provider Identifier (NPI) for Karl Weiss is 1306809876, a Type 1 (individual) record in the CMS NPPES registry.

Orthodontics and Dentofacial Orthopedics Dentistry in Bridgeville, PA · enumerated 2006.

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

National Provider Identifier

1306809876

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Registry record

Entity type Individual (Type 1)

Name Karl Weiss

Credential DMD

Sex Male

Practice address 1597 Washington Pike, Suite A5, Bridgeville, PA, 15017

Phone (412) 279-4800

Fax (412) 279-7119

Enumeration date Apr 7, 2006

Last updated in NPPES Feb 13, 2019

Taxonomy & licenses

1223X0400X Orthodontics and Dentofacial Orthopedics Dentistry Dental Providers · License S3-217C (NV) Secondary

1223X0400X Orthodontics and Dentofacial Orthopedics Dentistry Dental Providers · License D7644 (AZ) Secondary

1223X0400X Orthodontics and Dentofacial Orthopedics Dentistry Dental Providers · License 13913 (MD) Secondary

1223X0400X Orthodontics and Dentofacial Orthopedics Dentistry Dental Providers · License DS028733L (PA) Primary

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

Other identifiers

Identifier	Type	State	Issuer
0015258430029	Medicaid	PA	-

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 Karl Weiss?

The National Provider Identifier (NPI) for Karl Weiss is 1306809876, a Type 1 (individual) record in the CMS NPPES registry.

Where does Karl Weiss practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-02-13.