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

Dr. Shirley S Joo, MD

Individual provider Allergy & Immunology (Internal Medicine) Physician · NPI 1144262825

Dr. Shirley S Joo, MD is an Allergy/Immunology in Saint Louis, Missouri. Graduated from Loyola University of Chicago, Stritch School of Medicine in 1999, 27 years ago. Practices with Mercy Hospitals East Communities, a 91-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Missouri.

Years since qualifying
27
Trained at
Loyola University of Chicago, Stritch School of Medicine
Licensed in
MO
In the registry since
2006
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

615 S New Ballas Rd
Saint Louis, MO 63141-8221
Phone: (314) 251-6382
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Allergy & Immunology (Internal Medicine) Physician (primary) Taxonomy 207RA0201X · Licence 2001009169 (MO)

Record details

NPI number1144262825
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 10, 2006
Last updated in NPPESJune 19, 2024
Certification dateJune 19, 2024

Medicare enrollment

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

Medicare specialtyALLERGY/IMMUNOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolLOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE
Graduated 1999 (27 years in practice)
Group practice Mercy Hospitals East Communities — 91 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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