Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Lisa E. Siegel, MD
Psychiatry Physician in Chicago, IL · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1104926906
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Registry record
Entity type Individual (Type 1)
Name Lisa E. Siegel
Credential MD
Sex Female
Practice address 4840 W. Byron St, Chicago, IL, 60641
Phone (773) 282-7800
Fax (773) 282-2163
Enumeration date Sep 22, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License 036-113899 (IL) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
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 Lisa Siegel?
The National Provider Identifier (NPI) for Lisa Siegel is 1104926906, a Type 1 (individual) record in the CMS NPPES registry.
Where does Lisa Siegel practice?
The practice location on file with NPPES is in Chicago, IL. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Julie Kovacin Clinical Social Worker · Chicago, IL NPI 1598807711 Margaret Andrews Clinical Social Worker · Chicago, IL NPI 1023150935 Lutheran Social Services of Illinois Mental Health Clinic/Center (Including Community Mental Health Center) · Chicago, IL NPI 1063637684 Lutheran Social Services of Illinois Psychiatry Physician · Chicago, IL NPI 1295951168 Rachel Mikula Clinical Social Worker · Chicago, IL NPI 1306058508 Lutheran Social Services of Illinois Substance Use Disorder Rehabilitation Clinic/Center · Chicago, IL NPI 1477762177 Karah Matarazzo Clinical Social Worker · Chicago, IL NPI 1447442207 Lutheran Social Services of Illinois Child & Adolescent Psychiatry Physician · Chicago, IL NPI 1265676597
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.