Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
David S Leader, MD
Psychiatry Physician in Aurora, IL · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1609885474
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Registry record
Entity type Individual (Type 1)
Name David S Leader
Credential MD
Sex Male
Practice address 1877 W Downer Pl, Aurora, IL, 60506
Phone (630) 906-5121
Enumeration date Aug 7, 2006
Last updated in NPPES May 13, 2011
Taxonomy & licenses
2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License 036-067126 (IL) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 036067126 | Medicaid | IL | - |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for David Leader?
The National Provider Identifier (NPI) for David Leader is 1609885474, a Type 1 (individual) record in the CMS NPPES registry.
Where does David Leader practice?
The practice location on file with NPPES is in Aurora, IL. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Ramon Alvarez-Leonardo Psychiatry Physician · Aurora, IL NPI 1861425365 Margaret Silberman Clinical Psychologist · Aurora, IL NPI 1841304532 James Lefager Addiction (Substance Use Disorder) Counselor · Aurora, IL NPI 1629188008 Elaine Brodemus Clinical Social Worker · Aurora, IL NPI 1821108473 Renee Souba Clinical Social Worker · Aurora, IL NPI 1508976937 Andrei Pankov Psychiatry Physician · Aurora, IL NPI 1225285703 Sarah Quadri Speech-Language Pathologist · Aurora, IL NPI 1376940155
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-05-13.