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

Stephen W. Hiatt DDS and Maryann L. Udy DMD PC

Organization Oral and Maxillofacial Surgery (Dentist) · NPI 1336314079

Stephen W. Hiatt DDS and Maryann L. Udy DMD PC is an Oral and Maxillofacial Surgery (Dentist) in O Fallon, Missouri. Licensed in Missouri. Registered with an NPI since 2008.

Licensed in
MO
In the registry since
2008
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

2992 Highway K Ste 133
O Fallon, MO 63368-7861
Phone: (636) 978-6967
Fax: (636) 978-5905
Show map & directions

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

Specialties & licences

Oral and Maxillofacial Surgery (Dentist) (primary) Taxonomy 1223S0112X · Licence 011813 (MO)

Record details

NPI number1336314079
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Lana Wisniewski — Business Manager · (636) 978-6967
Other names George T. Shuert Dds And Stephen W. Hiatt Dds Pc
NPI enumeratedApril 24, 2008
Last updated in NPPESJune 28, 2019
Mailing address5551 Winghaven Blvd. Ste. 210, O'Fallon, MO 63368

Other providers in O Fallon