Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Lily Sy Chang, M.D.
Specialist in Indianapolis, IN · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1225075336
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Registry record
Entity type Individual (Type 1)
Name Lily Sy Chang
Credential M.D.
Sex Female
Practice address 4621 Ashwood Dr, Indianapolis, IN, 46268
Phone (317) 328-1874
Enumeration date May 31, 2006
Last updated in NPPES Jul 8, 2007
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 Lily Chang?
The National Provider Identifier (NPI) for Lily Chang is 1225075336, a Type 1 (individual) record in the CMS NPPES registry.
Where does Lily Chang practice?
The practice location on file with NPPES is in Indianapolis, IN. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.