CHARLES G. KNOX M.D.
NPI 1881960805
Emergency Medicine in Dallas, TX

Active since March 23, 2012PECOS Enrolled
7777 FOREST LN, DALLAS, TX 75230(972) 566-7000 Get Directions Write a Review

NPPES record last updated: June 26, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Charles G. Knox M.d. NPPES

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

CHARLES G. KNOX M.D. (NPI 1881960805) is an individual emergency medicine provider in Dallas, Texas, licensed in Texas (Q7222) and active in the NPI registry since March 2012. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1881960805
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameCHARLES G. KNOXCredential: M.D.
Location Address7777 FOREST LNDallas, TX 75230
Mailing Address3311 Elm St Apt 204Dallas, TX 75226-2528 · (210) 862-3231 · Fax (866) 204-8465
Sole ProprietorNo
Enumeration DateMarch 23, 2012
Last NPPES UpdateJune 26, 2026
NPPES CertifiedJune 26, 2026
NPI 1881960805 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in TX · Q7222
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedPediatrics · Pediatric Emergency MedicineTaxonomy 2080P0204X · License Q7222 (TX)
7777 FOREST LN, Dallas, TX 75230

Accepted 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)

Charles G. Knox M.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 75230 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
$88.19 typical visit price
range $57.18 – $172.86
Typical copayment $22.04 (range $14.29 – $43.21)
Most-billed visit code 99203
Established Patient
$100.80 typical visit price
range $18.48 – $141.20
Typical copayment $25.20 (range $4.62 – $35.30)
Most-billed visit code 99214
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 20

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

Emergency Medicine
7777 FOREST LN
DALLAS, TX 75230
Clinic/Center
7777 FOREST LN, C-500
DALLAS, TX 75230
Speech-Language Pathologist
7777 FOREST LN
DALLAS, TX 75230
Emergency Medicine
7777 FOREST LN
DALLAS, TX 75230
Anesthesiology
7777 FOREST LN
DALLAS, TX 75230
Physician Assistant (Surgical)
7777 FOREST LN
DALLAS, TX 75230
Audiologist-Hearing Aid Fitter
7777 FOREST LN, BUILDING C SUITE 100
DALLAS, TX 75230
Anesthesiology
7777 FOREST LN
DALLAS, TX 75230

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 Knox's NPI number?

The NPI number for Charles Knox is 1881960805. It was assigned to this individual provider in the NPPES registry on March 23, 2012.

Where is Charles Knox located?

Charles Knox practices at 7777 Forest Ln, Dallas, TX 75230. The listed phone number is (972) 566-7000.

What is Charles Knox's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Charles Knox enrolled in Medicare?

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

What insurance does Charles Knox accept?

Health plans from Blue Cross and Blue Shield of Texas and Oscar Insurance Company list Charles Knox 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 Knox was last updated on June 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 60 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.