Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Dr. Matthew Treaster, MD

Individual provider Emergency Medicine Physician · NPI 1447456215

Dr. Matthew Treaster, MD practises Emergency Medicine in Saint Louis, Missouri. Graduated from University of Missouri, Kansas City, School of Medicine in 2007, 19 years ago. Practices with Midwest Emergency Good Samaritan, Inc, a 29-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
19
Trained at
University of Missouri, Kansas City, School of Medicine
Licensed in
MO
In the registry since
2007
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

660 S Euclid Ave Campus Box 8072
Saint Louis, MO 63110-1010 Not confirmed with CMS for 16 years — call before visiting
Phone: (314) 362-9177
Fax: (314) 362-0478
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 2009036610 (MO)

Record details

NPI number1447456215
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 26, 2007
Last updated in NPPESJuly 6, 2010

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF MISSOURI, KANSAS CITY, SCHOOL OF MEDICINE
Graduated 2007 (19 years in practice)
Group practice Midwest Emergency Good Samaritan, Inc — 29 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients721
Services billed 986 a service is one billed item, such as a visit, a test or a procedure
Average patient age74

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Midwest Emergency Good Samaritan, Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 29 clinicians in the practice; 12 are shown here.

Other providers in Saint Louis