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

Advanced Internal Medicine, LLC

Organization Internal Medicine Physician · NPI 1508063405

Advanced Internal Medicine, LLC is an Internal Medicine Physician in Mount Vernon, Illinois. Licensed in Illinois. Registered with an NPI since 2007.

Licensed in
IL
In the registry since
2007
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

605 N 12th St Hospitalist Ofc
Mount Vernon, IL 62864-2857
Phone: (618) 241-4016
Fax: (618) 241-3837
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 036116700 (IL)

Record details

NPI number1508063405
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Loren Chassels — Owner · (618) 241-4016
NPI enumeratedJuly 2, 2007
Last updated in NPPESMay 1, 2012
Mailing addressPo Box 442, Highland, IL 62249-0442

Other providers in Mount Vernon