Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Derek Brian Hammelman, DDS
Dentist in Newburgh, IN · enumerated 2023.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1245927672
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Registry record
Entity type Individual (Type 1)
Name Dr. Derek Brian Hammelman
Credential DDS
Sex Male
Practice address 10699 Drexton Pl, Newburgh, IN, 47630
Phone (812) 774-0020
Enumeration date Apr 18, 2023
Last updated in NPPES Jun 5, 2023
Taxonomy & licenses
390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary
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.
Frequently asked questions
What is the NPI number for Derek Hammelman?
The National Provider Identifier (NPI) for Derek Hammelman is 1245927672, a Type 1 (individual) record in the CMS NPPES registry.
Where does Derek Hammelman practice?
The practice location on file with NPPES is in Newburgh, IN. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-06-05.