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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Gerald Knierim, D.D.S.

General Practice Dentistry in Toledo, OH · enumerated 2006.

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

National Provider Identifier

1679551774

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Registry record

Entity type Individual (Type 1)
Name Gerald Knierim
Credential D.D.S.
Sex Male
Practice address Toledo, OH, 43604
Phone (419) 213-4049
Fax (419) 213-4017
Enumeration date Jan 9, 2006
Last updated in NPPES Jul 9, 2007

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

Taxonomy & licenses

1223G0001X General Practice Dentistry Dental Providers Primary
DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS credential

Other identifiers

Identifier Type State Issuer
0338521 Medicaid OH -

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.

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Frequently asked questions

What is the NPI number for Gerald Knierim?
The National Provider Identifier (NPI) for Gerald Knierim is 1679551774, a Type 1 (individual) record in the CMS NPPES registry.
Where does Gerald Knierim practice?
The practice location on file with NPPES is in Toledo, OH. 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 2007-07-09.