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

Dr. James M Simmering, MD

Individual provider Internal Medicine Physician · NPI 1700973351

Dr. James M Simmering, MD is an Internal Medicine Physician in Maryville, Illinois. Licensed in Illinois. Registered with an NPI since 2006.

Licensed in
IL
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

6812 State Route 162 Ste 120
Maryville, IL 62062-8553
Phone: (618) 288-1122
Fax: (618) 288-1144
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 036067473 (IL)

Record details

NPI number1700973351
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 6, 2006
Last updated in NPPESNovember 20, 2024
Certification dateNovember 20, 2024
Mailing address6854 Parker Rd, Florissant, MO 63033-5313

Other providers in Maryville