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

Douglas B Aach, MD

Individual provider Surgery Physician · NPI 1508817040

Douglas B Aach, MD is a General Surgery in Shiloh, Illinois. Graduated from University of Missouri, Kansas City, School of Medicine in 1986, 40 years ago. Practices with Lincoln Surgical Associates, Ltd, a 25-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
40
Trained at
University of Missouri, Kansas City, 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

1414 Cross St Ste 330
Shiloh, IL 62269-2998
Phone: (618) 277-7400
Fax: (618) 277-7422
Show map & directions

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

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 036082445 (IL)

Record details

NPI number1508817040
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 12, 2006
Last updated in NPPESMarch 20, 2024
Mailing address1414 Cross Street, Suite 330, Shiloh, IL 62269-2998

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolUNIVERSITY OF MISSOURI, KANSAS CITY, SCHOOL OF MEDICINE
Graduated 1986 (40 years in practice)
Group practice Lincoln Surgical Associates, Ltd. — 25 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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