Doctor profile · Federal record

Dr. Jack Leong, MD

Pediatrics Physician (CMS: Pediatric Medicine) · Chicago, IL

  • NPI 1174506513
  • Accepts Medicare
  • 44 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3000 N Cicero Ave
Chicago, IL 606415106
(773) 282-3115
fax (773) 282-0590

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
October 20, 2020
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
208000000X — NUCC code
State license (1)
Illinois #036070436

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1174506513. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
180
Distinct HCPCS
2
Medicare allowed
$21,539
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 117 39 $134
99213 Established patient office or other outpatient visit, 20-29 minutes 63 21 $94

In context: peer comparison

Among 11 peers in Chicago Pediatrics Physician, average services per provider: 72. This provider delivers 2.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$728
Transactions
15
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
GlaxoSmithKline, LLC. 5 $167.01
Medtronic, INC. 2 $144.02
Mimedx Group, INC. 1 $127.29
Pfizer INC. 2 $112.21
Lilly USA, LLC 1 $97.28
Seqirus USA INC 2 $47.34
BioMarin Pharmaceutical INC. 1 $18.76
Kowa Pharmaceuticals America, INC. 1 $14.19

By nature of payment

Food and Beverage
$728

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
612
Patients
193
Total drug cost
$132,182
Drug Type Claims Patients Total cost
Simvastatin Generic 95 36 $1,482
Metformin Hcl Generic 73 33 $1,031
Lisinopril Generic 64 28 $609
Trulicity (Dulaglutide) Brand 49 12 $78,092
Lantus Solostar (Insulin Glargine,Hum.Rec.Anlog) Brand 46 0 $34,207
Atorvastatin Calcium Generic 43 15 $743
Amlodipine Besylate Generic 37 15 $433
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 35 19 $1,122
Ramipril Generic 31 0 $495
Famotidine Generic 28 13 $477

Frequently asked questions

Auto-generated from federal data
What is Dr. Jack Leong's medical specialty?
Dr. Jack Leong practices Pediatrics Physician in Chicago, IL.
Where does Dr. Jack Leong practice?
Dr. Jack Leong practices at 3000 N Cicero Ave, Chicago, IL 606415106. Office phone: 7732823115.
What is Dr. Jack Leong's NPI?
Dr. Jack Leong's National Provider Identifier (NPI) is 1174506513, issued by NPPES.
Does Dr. Jack Leong accept Medicare assignment?
Yes. Dr. Jack Leong accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jack Leong commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.