Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Alexandra Hernandez Perez, MD
Urology Physician in Chicago, IL · enumerated 2023.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1255025144
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Registry record
Entity type Individual (Type 1)
Name Alexandra Hernandez Perez
Credential MD
Sex Female
Practice address 5841 S Maryland Ave # Mc5028, Chicago, IL, 60637
Phone (773) 702-1860
Enumeration date Jun 5, 2023
Last updated in NPPES Jun 5, 2023
Taxonomy & licenses
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 Alexandra Hernandez Perez?
The National Provider Identifier (NPI) for Alexandra Hernandez Perez is 1255025144, a Type 1 (individual) record in the CMS NPPES registry.
Where does Alexandra Hernandez Perez 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 →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-06-05.