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CARLTHAN LING
NPI 1336702976
Ophthalmology in Birmingham, AL

Active since April 18, 2019PECOS EnrolledAccepts Medicare Assignment
97.12/100
CMS Quality Rating
1720 UNIVERSITY BLVD STE 305, BIRMINGHAM, AL 35233(205) 325-8100(205) 325-8547 Get Directions Write a Review

NPPES record last updated: March 14, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 14, 2025, Jun 1, 2023, Apr 18, 2019 (3 updates tracked since 2019).

About Carlthan Ling NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CARLTHAN LING (NPI 1336702976) is an individual ophthalmology provider in Birmingham, Alabama, licensed in Alabama (47931) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS and is a graduate of University Of Hawaii John A. Burns School Of Medicine (2019).

NPPES Registry Identity

NPI1336702976
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameCARLTHAN LING
Location Address1720 UNIVERSITY BLVD STE 305Birmingham, AL 35233-1816
Mailing Address1720 University Blvd Ste 305Birmingham, AL 35233-1816 · (205) 325-8100 · Fax (205) 325-8547
Phone(205) 325-8100
Fax(205) 325-8547
Sole ProprietorYes
Medical School CMSUniversity Of Hawaii John A. Burns School Of MedicineGraduated 2019
Enumeration DateApril 18, 2019
Last NPPES UpdateMarch 14, 20253 updates tracked since enumeration
NPPES CertifiedMarch 14, 2025
✔ NPI 1336702976 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
Licenses✔ Licensed in AL · 47931✔ Licensed in TN · 67882
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1720 UNIVERSITY BLVD STE 305, Birmingham, AL 35233
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter of Alabama, Ambetter of Tennessee and more.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

Carlthan Ling 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 ID5991118317
PECOS Enrollment IDI20240515000628
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.

Medicare Billing Reassignments

3

Medicare enrollment records show Carlthan Ling reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Uab Callahan Eye Hospital Authority
Same address
Ophthalmology
1720 UNIVERSITY BLVD
Birmingham, AL 35233
  • Reassigned Medicare billing, Alabama enrollment
  • 129 clinicians in this Medicare group
NPI 1427398254 (205) 325-8100
Alabama Ophthalmology Associates, P.C.
1.3 mi
Ophthalmology
1000 19TH ST S
Birmingham, AL 35205
  • Reassigned Medicare billing, Alabama enrollment
  • 13 clinicians in this Medicare group
NPI 1366484941 (205) 930-0700
Hawaii Vision Clinic Inc
4,367 mi
Preferred Provider Organization
99-128 AIEA HEIGHTS DR STE 703
Aiea, HI 96701
  • Reassigned Medicare billing, Hawaii enrollment
  • 3 clinicians in this Medicare group
NPI 1912928367 (808) 487-7938

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 35233 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
$122.31 typical visit price
range $52.65 – $161.63
Typical copayment $30.57 (range $13.16 – $40.40)
Most-billed visit code 99204
Established Patient
$66.08 typical visit price
range $16.56 – $131.65
Typical copayment $16.52 (range $4.14 – $32.91)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

97.12/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality85.64
Promoting Interoperability100
Improvement Activities40

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 Carlthan Ling's NPI number?

The NPI number for Carlthan Ling is 1336702976. It was assigned to this individual provider in the NPPES registry on April 18, 2019.

Where is Carlthan Ling located?

Carlthan Ling practices at 1720 University Blvd Ste 305, Birmingham, AL 35233. The listed phone number is (205) 325-8100.

What is Carlthan Ling's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Carlthan Ling enrolled in Medicare?

Yes. Carlthan Ling 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 Carlthan Ling's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Carlthan Ling reassigns Medicare benefits to 3 organizations: Uab Callahan Eye Hospital Authority (Birmingham, AL), Alabama Ophthalmology Associates, P.C. (Birmingham, AL) and Hawaii Vision Clinic Inc (Aiea, HI). 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 Carlthan Ling's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Carlthan Ling accept?

Health plans from Ambetter Health, Ambetter of Alabama, Ambetter of Tennessee, Blue Cross and Blue Shield of Alabama and HMSA list Carlthan Ling 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 Carlthan Ling was last updated on March 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.