DR. John Mark Leib, D.M.D.

NPI #1376604678 in O Fallon, Illinois

Provider Information

NPI Number: 1376604678
Entity Type: Individual
Name: DR. John Mark Leib, D.M.D.
Gender: Not Specified
Sole Proprietor: No
Primary Specialty: Dentist
Credential: D.M.D.
Enumeration Date: Dec 12, 2006
Last Updated: Sep 11, 2025

Practice Location

Address: 741 W STATE ST
Address 2: SUITE 3
City: O Fallon
State: Illinois
ZIP Code: 62269-1971
Phone: (618) 628-1800

Specialties & Taxonomy Codes

Specialty	Taxonomy Code	Primary
Dentist	122300000X	Primary
Dentist - Oral and Maxillofacial Surgery — Oral and Maxillofacial Surgery	1223S0112X

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