Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Mark Hayden Haas, DDS
Dentist in Wayne, MI · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1669442729
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Registry record
Entity type Individual (Type 1)
Name Dr. Mark Hayden Haas
Credential DDS
Sex Male
Practice address 35100 East Michigan Ave, Wayne, MI, 48184
Phone (734) 722-1617
Fax (734) 722-5240
Enumeration date Jan 23, 2006
Last updated in NPPES Sep 12, 2007
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
Where does Mark Haas practice?
The practice location on file with NPPES is in Wayne, MI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Mark Haas?
The National Provider Identifier (NPI) for Mark Haas is 1669442729, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-09-12.