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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. ALEXANDER JOHN LEONG OD
NPI 1578039210
Optometrist in Columbus, GA

Active since October 21, 2018PECOS EnrolledAccepts Medicare Assignment
2616 WARM SPRINGS RD, COLUMBUS, GA 31904(706) 323-3491(706) 660-9191 Get Directions Write a Review

NPPES record last updated: June 30, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 14, 2026, Jan 6, 2026, Nov 16, 2023 and 1 more (4 updates tracked since 2018).

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

NPI1578039210
Entity TypeIndividualMale
Primary Taxonomy152W00000X
Provider Legal NameDR. ALEXANDER JOHN LEONGCredential: OD
Location Address2616 WARM SPRINGS RDColumbus, GA 31904-5323
Mailing AddressPo Box 11407Birmingham, AL 35246-8575 · (864) 359-1308 · Fax (239) 496-3939
Phone(706) 323-3491
Fax(706) 660-9191
Sole ProprietorNo
Medical School CMSSouthern College Of OptometryGraduated 2018
Enumeration DateOctober 21, 2018
Last NPPES UpdateJune 30, 20264 updates tracked since enumeration
NPPES CertifiedJune 30, 2026
✔ NPI 1578039210 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in GA · OPT003443
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
2616 WARM SPRINGS RD, Columbus, GA 31904
Open in Google Maps ↗

Secondary Practice Locations 2

Location 12012 10th AveColumbus, GA 31901-1460 · Phone (706) 324-4321 · Fax (706) 660-9191
Location 26600 Whittlesey BlvdColumbus, GA 31909-7251 · Phone (706) 323-3491 · Fax (706) 660-9191

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc., Ambetter from Absolute Total Care, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

PECOS PAC ID1951639350
PECOS Enrollment IDI20230123002209
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
21 services21 patients
New patient complete exam of visual system 92004
A new patient complete exam of the visual system is a thorough evaluation of your eyes and vision. It checks for any potential issues and assesses overall eye health. It includes tests for visual acuity, eye movement, and light response.
19 services19 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
19 services19 patients
Imaging of optic nerve 92133
Imaging of the optic nerve is a non-invasive procedure that captures detailed pictures of your optic nerve. It helps doctors assess eye health, particularly for conditions like glaucoma. It's painless, quick, and uses safe technology like MRI or OCT (Optical Coherence Tomography).
16 services16 patients
Established patient complete exam of visual system 92014
An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.
12 services12 patients

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, GA
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number110079
Location80 Jesse Hill, Jr Drive SEAtlanta, GA 30303 · Fulton County
Emergency services Birthing friendly

Physician 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.

New Patient
$124.10 typical visit price
range $53.31 – $164.04
Typical copayment $31.02 (range $13.32 – $41.01)
Most-billed visit code 99204
Established Patient
$66.89 typical visit price
range $16.68 – $133.24
Typical copayment $16.72 (range $4.17 – $33.31)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

RIVER CITY PHYSICAL THERAPY
Physical Therapist
2616 WARM SPRINGS RD, SUITE B
COLUMBUS, GA 31904
Muscogee County (706) 243-0016
DR. STEVEN LLOYD HENSLEE M.D.
Ophthalmology
2616 WARM SPRINGS RD
COLUMBUS, GA 31904
Muscogee County (706) 323-3491
EYE SURGERY CENTER OF WEST GEORGIA LLC
Clinic/Center (Ambulatory Surgical)
2616 WARM SPRINGS RD, STE B
COLUMBUS, GA 31904
Muscogee County (706) 507-2200
DR. TIMOTHY PAUL KAO M.D.
Ophthalmology
2616 WARM SPRINGS RD
COLUMBUS, GA 31904
Muscogee County (706) 323-3491
STERLING L CANNON M.D.
Ophthalmology
2616 WARM SPRINGS RD
COLUMBUS, GA 31904
Muscogee County (706) 323-3491
NICHOLAS DUQUETTE MAYFIELD MD
Ophthalmology
2616 WARM SPRINGS RD
COLUMBUS, GA 31904
Muscogee County (706) 323-3491
DR. PATRICK ALEXANDER STOW O.D.
Optometrist
2616 WARM SPRINGS RD
COLUMBUS, GA 31904
Muscogee County (706) 323-3491
CHARLES L CALHOUN M.D.
Ophthalmology
2616 WARM SPRINGS RD
COLUMBUS, GA 31904
Muscogee County (706) 321-3491

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.

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 1 other insurer 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 41 days 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.