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

Individual provider Hospitalist Physician · NPI 1558742775

Dr. Alex Anthony Thomas, MD is an Internal Medicine in Saint Louis, Missouri. Graduated from University of Louisville School of Medicine in 2015, 11 years ago. Practices with Washington University, a 2,986-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
11
Trained at
University of Louisville School of Medicine
Licensed in
MO
In the registry since
2015
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 Plz Div Im Hospitalist
Saint Louis, MO 63110-1003
Phone: (314) 362-1700
Fax: (314) 362-9878
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 2018013509 (MO)

Record details

NPI number1558742775
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 12, 2015
Last updated in NPPESApril 17, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesHOSPITALIST
Medical schoolUNIVERSITY OF LOUISVILLE SCHOOL OF MEDICINE
Graduated 2015 (11 years in practice)
Group practice Washington University — 2986 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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