Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Mace Jack Landau, DDS MSD
Pediatric Dentistry in Warren, OH · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1861483224
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Registry record
Entity type Individual (Type 1)
Name Dr. Mace Jack Landau
Credential DDS MSD
Sex Male
Practice address 8720 E Market St, #8, Warren, OH, 44484
Phone (330) 856-9199
Fax (330) 856-3307
Enumeration date Nov 3, 2005
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
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 specialty is Mace Landau?
Mace Landau is registered in NPPES with the primary taxonomy of Pediatric Dentistry. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.