Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. David D Simmons, DDS
Dentist in Mabank, TX · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1629145172
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Registry record
Entity type Individual (Type 1)
Name Dr. David D Simmons
Credential DDS
Sex Male
Practice address 302 N 3rd St, Mabank, TX, 75147
Phone (903) 887-4405
Enumeration date Nov 29, 2006
Last updated in NPPES Nov 9, 2016
Taxonomy & licenses
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
How do I verify David Simmons's NPI record?
Cross-check NPI 1629145172 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1629145172 active?
Yes — as of the latest NPPES snapshot, NPI 1629145172 is active (record last updated 2016-11-09).
Other providers at this practice address
Browse all → Ernest Moore Dentist · Mabank, TX NPI 1619087558 Clayton Gautreaux General Practice Dentistry · Mabank, TX NPI 1891997128 Clayton A Gautreaux D.D.S General Practice Dentistry · Mabank, TX NPI 1043549603 Joshua Niswonger General Practice Dentistry · Mabank, TX NPI 1447671979 Mabank Family Dentistry Pllc General Practice Dentistry · Mabank, TX NPI 1033772447
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-11-09.