Doctor profile · Federal record

Dr. Shirley Joo, MD

Allergy & Immunology (Internal Medicine) Physician (CMS: Allergy/Immunology) · Saint Louis, MO

  • NPI 1144262825
  • Accepts Medicare
  • 27 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
615 S New Ballas RD
Saint Louis, MO 631418221
(314) 251-6382

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
June 19, 2024
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207RA0201X — NUCC code
State license (1)
Missouri #2001009169
Medicaid
MO #205801004

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144262825. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,357
Distinct HCPCS
6
Medicare allowed
$56,254
HCPCS Description Services Patients Avg allowed
95165 Professional service for preparation and provision of 1 or more antigens 2,210 62 $14
95117 Professional service for multiple injections of allergen 982 58 $11
99214 Established patient office or other outpatient visit, 30-39 minutes 67 44 $116
99213 Established patient office or other outpatient visit, 20-29 minutes 64 52 $83
94010 Test to measure expiratory airflow and volume 20 16 $25
99204 New patient office or other outpatient visit, 45-59 minutes 14 14 $150

In context: peer comparison

Among 6 peers in this city , average services per provider: 686. This provider delivers 4.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$135
Transactions
8
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 2 $33.10
AstraZeneca Pharmaceuticals LP 2 $32.66
GlaxoSmithKline, LLC. 2 $32.52
Regeneron Healthcare Solutions, Inc. 1 $22.00
GENZYME CORPORATION 1 $14.87

By nature of payment

Food and Beverage
$135

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
386
Patients
86
Total drug cost
$67,636
Drug Type Claims Patients Total cost
Montelukast Sodium Generic 106 28 $1,552
Fluticasone Propionate Generic 65 17 $1,280
Breo Ellipta (Fluticasone/Vilanterol) Brand 45 0 $22,454
Azelastine Hcl Generic 29 11 $805
Ipratropium Bromide Generic 28 0 $1,589
Flovent Hfa (Fluticasone Propionate) Brand 24 0 $13,745
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 23 18 $870
Symbicort (Budesonide/Formoterol Fumarate) Brand 22 0 $17,420
Wixela Inhub (Fluticasone Propion/Salmeterol) Brand 17 0 $2,472
Prednisone Generic 15 12 $48

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Shirley Joo's medical specialty?
Dr. Shirley Joo practices Allergy & Immunology (Internal Medicine) Physician in Saint Louis, MO.
Where does Dr. Shirley Joo practice?
Dr. Shirley Joo practices at 615 S New Ballas RD, Saint Louis, MO 631418221. Office phone: 3142516382.
What is Dr. Shirley Joo's NPI?
Dr. Shirley Joo's National Provider Identifier (NPI) is 1144262825, issued by NPPES.
Does Dr. Shirley Joo accept Medicare assignment?
Yes. Dr. Shirley Joo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Shirley Joo commonly perform?
Top Medicare-reported procedures in 2023: Professional service for preparation and provision of 1 or more antigens (HCPCS 95165); Professional service for multiple injections of allergen (HCPCS 95117); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.