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

Matthew A Pieper, DO

Individual provider Surgical Critical Care Physician · NPI 1598920647

Matthew A Pieper, DO is a General Surgery in Saint Louis, Missouri. Graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 2006, 20 years ago. Practices with Mercy Clinic Trauma and General Surgery LLC, a 45-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
20
Trained at
At Still University of Health Sciences, College of Osteo Med, Kirksville
Licensed in
MO
In the registry since
2008
Specialties on file
3
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

621 S New Ballas Rd Ste 560A
Saint Louis, MO 63141-8261
Phone: (314) 251-6440
Show map & directions

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

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 2008011543 (MO)
Surgical Critical Care Physician Taxonomy 2086S0102X · Licence 2008011543 (MO)
Trauma Surgery Physician Taxonomy 2086S0127X · Licence 2008011543 (MO)

Record details

NPI number1598920647
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJuly 28, 2008
Last updated in NPPESDecember 5, 2023
Certification dateDecember 5, 2023

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Also practisesCRITICAL CARE (INTENSIVISTS)
Medical schoolAT STILL UNIVERSITY OF HEALTH SCIENCES, COLLEGE OF OSTEO MED, KIRKSVILLE
Graduated 2006 (20 years in practice)
Group practice Mercy Clinic Trauma And General Surgery Llc — 45 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Saint Louis