Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Jeffrey S. Mastroianni DMD, MS, PC

Organization Orthodontics and Dentofacial Orthopedics Dentistry · NPI 1528187549

Jeffrey S. Mastroianni DMD, MS, PC is an Orthodontics and Dentofacial Orthopedics Dentistry in Glen Carbon, Illinois. Licensed in Illinois. Registered with an NPI since 2007.

Licensed in
IL
In the registry since
2007
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

2220 S State Route 157 Ste 125
Glen Carbon, IL 62034-1728
Phone: (618) 288-0600
Fax: (618) 288-8004
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthodontics and Dentofacial Orthopedics Dentistry (primary) Taxonomy 1223X0400X · Licence 019024812 (IL)

Record details

NPI number1528187549
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Jeffrey Mastroianni — Dr · (618) 288-0600
Other names Mastroianni Orthodontics
NPI enumeratedMarch 29, 2007
Last updated in NPPESOctober 24, 2014
Mailing address2220 S. State Route 157, Suite 125, Glen Carbon, IL 62034-1728

Other providers in Glen Carbon