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

Dr. Austin Jiazhi Niu, MD

Individual provider Internal Medicine Physician · NPI 1154947968

Dr. Austin Jiazhi Niu, MD is an Internal Medicine Physician in Saint Louis, Missouri. Licensed in Missouri. Registered with an NPI since 2020.

Licensed in
MO
In the registry since
2020
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1 Barnes Jewish Hospital Plz Div Im Hospitalist
Saint Louis, MO 63110-1003
Phone: (314) 362-1700
Fax: (314) 362-9878
Show map & directions

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

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 2023004698 (MO)
Internal Medicine Physician Taxonomy 207R00000X · Licence 2023004698 (MO)

Record details

NPI number1154947968
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 18, 2020
Last updated in NPPESApril 25, 2024
Certification dateJune 3, 2023

Other providers in Saint Louis