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

Individual provider Internal Medicine Physician · NPI 1326302761

Dr. Nongnooch Poowanawittayakom, MD is an Infectious Disease in Saint Louis, Missouri. Qualified in 2008, 18 years ago. Practices with Washington University, a 2,986-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
18
Licensed in
MO
In the registry since
2012
Specialties on file
2
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 Infectious Disease
Saint Louis, MO 63110-1003
Phone: (314) 454-8354
Fax: (314) 454-8687
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence 2020027570 (MO)
Internal Medicine Physician Taxonomy 207R00000X · Licence 2020027570 (MO)

Record details

NPI number1326302761
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 29, 2012
Last updated in NPPESApril 17, 2025

Medicare enrollment

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

Medicare specialtyINFECTIOUS DISEASE
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2008 (18 years in practice)
Group practice Washington University — 2986 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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