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

Dr. Mary Rui Yu, MD

Individual provider Emergency Medicine Physician · NPI 1861807026

Dr. Mary Rui Yu, MD is an Emergency Medicine in Saint Louis, Missouri. Qualified in 2014, 12 years ago. Practices with Emergency Services Midwest SC, a 38-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
12
Licensed in
MO
In the registry since
2014
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

1 Barnes-Jewish Hospital Plaza Barnes-Jewish Hospital
Saint Louis, MO 63110-1010
Phone: (314) 362-5000
Show map & directions

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 2016011166 (MO)

Record details

NPI number1861807026
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 26, 2014
Last updated in NPPESAugust 10, 2021
Certification dateAugust 10, 2021

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Emergency Services Midwest Sc — 38 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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