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

Mark D Preuss, MD

Individual provider Family Medicine Physician · NPI 1952368110

Mark D Preuss, MD is a Family Practice in Steeleville, Illinois. Graduated from Indiana University School of Medicine in 1984, 42 years ago. Practices with Sparta Community Hospital D/B/A Quality Healthcare Clinics, a 42-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
42
Trained at
Indiana University School of Medicine
Licensed in
IL
In the registry since
2006
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

9 Westwood Dr
Steeleville, IL 62288-1816
Phone: (618) 965-3466
Fax: (618) 965-9418
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 036080189 (IL)

Record details

NPI number1952368110
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 28, 2006
Last updated in NPPESMay 29, 2026
Certification dateMay 29, 2026
Mailing address9 Westwood Dr, Steeleville, IL 62288-1816

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolINDIANA UNIVERSITY SCHOOL OF MEDICINE
Graduated 1984 (42 years in practice)
Group practice Sparta Community Hospital D/B/A Quality Healthcare Clinics — 42 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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