Shirley S. Joo, MD
NPI 1144262825ActiveIndividual· Internal Medicine, Allergy & Immunology· Saint Louis, MO
Internal Medicine, Allergy & Immunology (MD) in Saint Louis, Missouri, trained at Loyola University of Chicago, Stritch School of Medicine (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $37,548 for 273 claims, against $19,640 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 5 companies reporting payments in 2024, $135.15 in all, mostly food and beverage.
Overview
| NPI | 1144262825 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 10, 2006 |
| Last updated in NPPES | Jun 19, 2024 |
| Certified by provider | Jun 19, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Allergy & Immunology Primary | 207RA0201X | 2001009169 | MO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Allergy/Immunology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 171 |
|---|---|
| Services billed | 1,749 across 14 procedure codes |
| Paid by Medicare | $19,640 |
Part D prescriptions in 2024
| Prescriptions (claims) | 273 · 469 30-day fills |
|---|---|
| Patients | 90 |
| Total drug cost | $37,548 |
| Generic share | 70% of claims |
Education and affiliations
| Medical school | Loyola University of Chicago, Stritch School of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Allergy/Immunology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Mercy Hospitals East CommunitiesSaint Louis, MO · 98 clinicians
Hospital affiliations
- Mercy Hospital SouthSaint Louis, MO
- Mercy Hospital St LouisSaint Louis, MO
Industry payments (Open Payments)
- 2024$135.15 · 8 payments from 5 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $33.10 | 2 |
| Astrazeneca Pharmaceuticals LP | $32.66 | 2 |
| Glaxosmithkline, LLC. | $32.52 | 2 |
| Regeneron Healthcare Solutions, Inc. | $22.00 | 1 |
| Genzyme Corporation | $14.87 | 1 |
What the 2024 payments were for
- Food and Beverage$135.15 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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