DR. LONN TRUONG YANG O.D.
NPI 1154421626
Optometrist in Antioch, IL
About Dr. Lonn Truong Yang O.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LONN TRUONG YANG O.D. (NPI 1154421626) is an individual optometrist in Antioch, Illinois and active in the NPI registry since September 2006. She has opted out of Medicare through September 6, 2026 and remains eligible to order and refer.
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Opted out of Medicare
Dr. Lonn Truong Yang O.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from September 6, 2016 through September 6, 2026.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60002 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Lonn Yang's NPI number?
The NPI number for Lonn Yang is 1154421626. It was assigned to this individual provider in the NPPES registry on September 25, 2006.
Where is Lonn Yang located?
Lonn Yang practices at 473 E Route 173, Antioch, IL 60002. The listed phone number is (847) 838-3401.
What is Lonn Yang's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Lonn Yang enrolled in Medicare?
No. Lonn Yang has opted out of Medicare through September 6, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.
What insurance does Lonn Yang accept?
Health plans from Blue Cross Blue Shield of Wyoming and Blue Cross and Blue Shield of Louisiana list Lonn Yang as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Lonn Yang was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.