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DR. CHARLES ALEXANDER KNOWLES O.D.
NPI 1407985880
Optometrist - Corneal and Contact Management in Fort Worth, TX

Active since March 03, 2007PECOS Enrolled
309 S OAKLAND BLVD, FORT WORTH, TX 76103(817) 536-9970(817) 531-2534 Get Directions Write a Review

NPPES record last updated: December 11, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Charles Alexander Knowles O.d. NPPES

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

DR. CHARLES ALEXANDER KNOWLES O.D. (NPI 1407985880) is an individual corneal and contact management provider in Fort Worth, Texas, licensed in Texas (3132T) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1407985880
Entity TypeIndividualMale
Primary Taxonomy152WC0802X
Provider Legal NameDR. CHARLES ALEXANDER KNOWLESCredential: O.D.
Location Address309 S OAKLAND BLVDFort Worth, TX 76103-3762
Mailing Address309 S Oakland BlvdFort Worth, TX 76103-3762 · (817) 536-9970 · Fax (817) 531-2534
Phone(817) 536-9970
Fax(817) 531-2534
Sole ProprietorYes
Enumeration DateMarch 3, 2007
Last NPPES UpdateDecember 11, 2020
NPPES CertifiedDecember 11, 2020
✔ NPI 1407985880 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometrist · Corneal and Contact ManagementEye and Vision Services Providers
Taxonomy Code152WC0802X
License✔ Licensed in TX · 3132T
Definition
The professional activities performed by an Optometrist related to the fitting of contact lenses to an eye, ongoing evaluation of the cornea's ability to sustain successful contact lens wear, and treatment of any external eye or corneal condition which can affect contact lens wear.
309 S OAKLAND BLVD, Fort Worth, TX 76103
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Other Names 1

Professional Name (2)Dr. Calex Knowles O.d.

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections 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 (PECOS)

Dr. Charles Alexander Knowles O.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 76103 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
$129.63 typical visit price
range $56.47 – $171.07
Typical copayment $32.40 (range $14.11 – $42.76)
Most-billed visit code 99204
Established Patient
$70.45 typical visit price
range $18.18 – $139.68
Typical copayment $17.61 (range $4.54 – $34.92)
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 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

VGR VISION, INC
Technician/Technologist (Optician)
309 S OAKLAND BLVD
FORT WORTH, TX 76103
Tarrant County (817) 534-4700
S & A OPTICAL
Eyewear Supplier
309 S OAKLAND BLVD
FORT WORTH, TX 76103
Tarrant County (817) 534-4700

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 Charles Knowles's NPI number?

The NPI number for Charles Knowles is 1407985880. It was assigned to this individual provider in the NPPES registry on March 3, 2007. The provider is also known as Dr. Calex Knowles O.D..

Where is Charles Knowles located?

Charles Knowles practices at 309 S Oakland Blvd, Fort Worth, TX 76103. The listed phone number is (817) 536-9970.

What is Charles Knowles's specialty?

The primary specialty registered for this NPI is Optometrist, specializing in Corneal and Contact Management, with taxonomy code 152WC0802X.

Is Charles Knowles enrolled in Medicare?

Yes. Charles Knowles is registered in the Medicare PECOS enrollment system.

What insurance does Charles Knowles accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 7 other insurers list Charles Knowles 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 Charles Knowles was last updated on December 11, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.