Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Alyssa Lancaster
Optometrist in Chicago, IL · enumerated 2021.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1912572397
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Registry record
Entity type Individual (Type 1)
Name Alyssa Lancaster
Sex Female
Practice address 3241 S Michigan Ave Ste 1, Chicago, IL, 60616
Phone (312) 949-7000
Enumeration date May 26, 2021
Last updated in NPPES Jun 21, 2024
Taxonomy & licenses
390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary
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
Is NPI 1912572397 active?
Yes, as of the latest NPPES snapshot, NPI 1912572397 is active (record last updated 2024-06-21).
How do I verify Alyssa Lancaster's NPI record?
Cross-check NPI 1912572397 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Other providers at this practice address
Browse all → Kristen Buskirk Optometrist · Chicago, IL NPI 1720494412 Chelsea Bradley Optometrist · Chicago, IL NPI 1669026795 Randi-Jo Francis Optometrist · Chicago, IL NPI 1740855105 Olivia Nichols Optometrist · Chicago, IL NPI 1245805639 Sanjana Saksena Optometrist · Chicago, IL NPI 1205570397 Natalie Polk Optometrist · Chicago, IL NPI 1649914565 Frederick Neher Optometrist · Chicago, IL NPI 1295470763 Himanee Patel Optometrist · Chicago, IL NPI 1558006056
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-06-21.