Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Nancy Bunn Brown, M.D.
Pediatrics Physician in Gurnee, IL · enumerated 2009.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1104052513
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Registry record
Entity type Individual (Type 1)
Name Dr. Nancy Bunn Brown
Credential M.D.
Sex Female
Practice address 36100 N Brookside Dr Ste 106, Gurnee, IL, 60031
Phone (847) 821-9500
Enumeration date Jun 1, 2009
Last updated in NPPES Jul 6, 2026
Taxonomy & licenses
208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 036.129956 (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
Where does Nancy Brown practice?
The practice location on file with NPPES is in Gurnee, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Nancy Brown?
The National Provider Identifier (NPI) for Nancy Brown is 1104052513, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-07-06.