Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Thomas R. Ahlum, D.M.D.
Dentist in Danville, PA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1841264165
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Registry record
Entity type Individual (Type 1)
Name Dr. Thomas R. Ahlum
Credential D.M.D.
Sex Male
Practice address 100 N Academy Ave, Danville, PA, 17822
Phone (570) 271-6355
Enumeration date Feb 14, 2006
Last updated in NPPES Aug 11, 2020
Taxonomy & licenses
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 |
|---|---|---|---|
| 001279759 | 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.
Frequently asked questions
Where does Thomas Ahlum practice?
The practice location on file with NPPES is in Danville, PA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Thomas Ahlum?
The National Provider Identifier (NPI) for Thomas Ahlum is 1841264165, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-08-11.