Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Allison Aufderhaar, DDS

Dentist in Ironton, OH · enumerated 2022.

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

National Provider Identifier

1659017002

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Registry record

Entity type Individual (Type 1)

Name Allison Aufderhaar

Credential DDS

Sex Female

Practice address 1408 Campbell Dr, Ironton, OH, 45638

Phone (740) 534-9231

Enumeration date May 9, 2022

Last updated in NPPES Apr 9, 2025

Taxonomy & licenses

122300000X Dentist Dental Providers · License 30.026789 (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.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Allison Aufderhaar?

Allison Aufderhaar is registered in NPPES with the primary taxonomy of Dentist. 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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Todd Smith Emergency Medicine Physician · Ironton, OH NPI 1124020490 Khin Thida Pediatric Adolescent Medicine Physician · Ironton, OH NPI 1538166509 Sue Adams Family Medicine Physician · Ironton, OH NPI 1598734170 Monica Cline Pediatrics Physician · Ironton, OH NPI 1265471395 James Wagenaar Emergency Medicine Physician · Ironton, OH NPI 1194768754 Molly Johnson Nurse Practitioner · Ironton, OH NPI 1437181104 Amanda Workman Pediatrics Physician · Ironton, OH NPI 1033323100 Kristina Rowe Psychiatric/Mental Health Nurse Practitioner · Ironton, OH NPI 1528236262

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-04-09.