Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Stephen S. Fenstemaker, D.D.S.

General Practice Dentistry in Louisville, OH · enumerated 2005.

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

National Provider Identifier

1144212390

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Registry record

Entity type Individual (Type 1)

Name Dr. Stephen S. Fenstemaker

Credential D.D.S.

Sex Male

Practice address 309 Sherban Ct, Louisville, OH, 44641

Phone (330) 875-2832

Fax (330) 875-2492

Enumeration date Aug 15, 2005

Last updated in NPPES Jan 23, 2008

Taxonomy & licenses

1223G0001X General Practice Dentistry Dental Providers · License 01-8734 (OH) 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
0761653	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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Stephen Fenstemaker?

The National Provider Identifier (NPI) for Stephen Fenstemaker is 1144212390, a Type 1 (individual) record in the CMS NPPES registry.

Where does Stephen Fenstemaker practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-01-23.