Mark Louis Schleider, DDS

Mark Louis Schleider is a Endodontics provider (Dentist) practicing in Danbury, CT, registered in the NPPES registry with NPI 1104914456 since 2006. The credential DDS stands for Doctor of Dental Surgery.

✓ Active NPI ✓ Valid NPI checksum

NPI	1104914456
Entity type	Individual (Type 1)
Name	Mark Louis Schleider
Credential	DDS
Sex	Male
Practice address	62 FRANKLIN ST, Danbury, CT, 06810
Phone	2037447240
Fax	2037447241
Enumeration date	2006-10-11
Last updated in NPPES	2007-07-08

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
1223E0200X	Endodontics	Primary	0047 80	CT

DDS — Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS credential

Copy-ready billing details

Provider: Mark Schleider, DDS
NPI: 1104914456
Taxonomy: 1223E0200X (Endodontics)
Address: 62 FRANKLIN ST, Danbury, CT, 06810

Verify this record

Cross-check NPI 1104914456 against the authoritative CMS record: view Mark Louis Schleider on the official NPPES registry .

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. Read the full guide or validate an NPI number.

Frequently asked questions

What is the NPI number for Mark Schleider?

The National Provider Identifier (NPI) for Mark Schleider is 1104914456, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mark Schleider practice?

The practice location on file with NPPES is in Danbury, CT. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2007-07-08.