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

Dorrie C Tredway, MD

Individual provider Family Medicine Physician · NPI 1891787040

Dorrie C Tredway, MD is a Family Practice in O Fallon, Illinois. Graduated from Rush Medical College of Rush University in 2000, 26 years ago. Practices with Hshs Medical Group Inc, a 209-clinician group and accepts Medicare assignment. Licensed in Illinois and Missouri.

Years since qualifying
26
Trained at
Rush Medical College of Rush University
Licensed in
IL, MO
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1512 N Green Mount Rd Ste 108
O Fallon, IL 62269-2083
Phone: (618) 624-5510
Fax: (618) 624-5529
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 036108951 (IL)
Family Medicine Physician Taxonomy 207Q00000X · Licence 2008010712 (MO)

Record details

NPI number1891787040
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 15, 2005
Last updated in NPPESDecember 20, 2021
Certification dateDecember 20, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolRUSH MEDICAL COLLEGE OF RUSH UNIVERSITY
Graduated 2000 (26 years in practice)
Group practice Hshs Medical Group Inc — 209 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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