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

Stuart W Mauch MD PC

Organization Internal Medicine Physician · NPI 1659433522

Stuart W Mauch MD PC is an Internal Medicine Physician in Belleville, Illinois. Licensed in Illinois. Registered with an NPI since 2006.

Licensed in
IL
In the registry since
2006
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

333 S Illinois St Ste A
Belleville, IL 62220-2153
Phone: (618) 277-4888
Fax: (618) 277-1190
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X (IL)

Record details

NPI number1659433522
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Stuart Mauch — Pc · (618) 277-4888
NPI enumeratedDecember 15, 2006
Last updated in NPPESAugust 22, 2020
Mailing address333 S Illinois St, Suite A, Belleville, IL 62220-2153

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