DR. ALEXANDER JOHN LEONG OD
NPI 1578039210
Optometrist in Columbus, GA
About Dr. Alexander John Leong Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEXANDER JOHN LEONG OD (NPI 1578039210) is an individual optometrist in Columbus, Georgia, licensed in Georgia (OPT003443) and active in the NPI registry since October 2018. He is enrolled in Medicare PECOS, is affiliated with Grady Memorial Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Alexander John Leong Od is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Alexander Leong reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Columbus, GA 31904
- Reassigned Medicare billing, Georgia enrollment
- Medicare enrollment name: West Georgia Eye Care Center,p.A.
- 22 clinicians in this Medicare group
Columbus, GA 31904
- Reassigned Medicare billing, Georgia enrollment
- 210 clinicians in this Medicare group
Atlanta, GA 30303
- Reassigned Medicare billing, Georgia enrollment
- 2,681 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Grady Memorial Hospital
Acute Care Hospitals · Atlanta, GAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 31904 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 18
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
COLUMBUS, GA 31904
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 Alexander Leong's NPI number?
The NPI number for Alexander Leong is 1578039210. It was assigned to this individual provider in the NPPES registry on October 21, 2018.
Where is Alexander Leong located?
Alexander Leong practices at 2616 Warm Springs Rd, Columbus, GA 31904. The listed phone number is (706) 323-3491.
What is Alexander Leong's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Alexander Leong enrolled in Medicare?
Yes. Alexander Leong is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Alexander Leong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Leong reassigns Medicare benefits to 3 organizations: West Georgia Eye Care Center, PA (Columbus, GA), Myeyedr Optometry Of Georgia, LLC (Columbus, GA) and Emory Medical Care Foundation Inc (Atlanta, GA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Alexander Leong's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alexander Leong accept?
Health plans from Alliant Health Plans, Inc., Ambetter Health, Ambetter from Absolute Total Care, Ambetter of Alabama and Ambetter of North Carolina and 13 other insurers list Alexander Leong 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.
Is Alexander Leong affiliated with any hospitals?
According to CMS data, Alexander Leong is affiliated with Grady Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Alexander Leong was last updated on June 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.