NPI Portal NPI Lookup & Verification

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

Dr. Thomas Leroy Appelfeller, D.D.S.

General Practice Dentistry in Madison, OH · enumerated 2006 · practices at Professional Dental Alliance, LLC.

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

National Provider Identifier

1649331182

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Registry record

Entity type Individual (Type 1)
Name Dr. Thomas Leroy Appelfeller
Credential D.D.S.
Sex Male
Practice address Madison, OH, 44057
Phone (440) 428-1145
Fax (440) 428-8531
Enumeration date Dec 12, 2006
Last updated in NPPES Jul 8, 2007

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

Taxonomy & licenses

1223G0001X General Practice Dentistry Dental Providers · License 30015390 (OH) Primary
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.

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Frequently asked questions

What specialty is Thomas Appelfeller?
Thomas Appelfeller is registered in NPPES with the primary taxonomy of General Practice Dentistry. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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