Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. John Patrick Ahler, D.D.S.
Dentist in Rensselaer, IN · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1346291804
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Registry record
Entity type Individual (Type 1)
Name Dr. John Patrick Ahler
Credential D.D.S.
Sex Male
Practice address 331 E Amsler Rd, Rensselaer, IN, 47978
Phone (219) 866-7117
Fax (219) 866-8658
Enumeration date May 12, 2006
Last updated in NPPES Oct 12, 2011
Taxonomy & licenses
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 |
|---|---|---|---|
| 200201620A | Medicaid | IN | - |
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
What is the NPI number for John Ahler?
The National Provider Identifier (NPI) for John Ahler is 1346291804, a Type 1 (individual) record in the CMS NPPES registry.
Where does John Ahler practice?
The practice location on file with NPPES is in Rensselaer, IN. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-10-12.