DR. CHARLES GUIDO COX MD
NPI 1760467443
Internal Medicine - Gastroenterology in Austin, TX

Active since December 14, 2005PECOS Enrolled
5339 N IH 35 STE 100, AUSTIN, TX 78723(512) 978-8130 Get Directions Write a Review

NPPES record last updated: October 13, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Aug 4, 2019, Sep 14, 2017 (2 updates tracked since 2017).

About Dr. Charles Guido Cox Md NPPES

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

DR. CHARLES GUIDO COX MD (NPI 1760467443) is an individual gastroenterology provider in Austin, Texas, licensed in Texas (R0379) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1760467443
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. CHARLES GUIDO COXCredential: MD
Location Address5339 N IH 35 STE 100Austin, TX 78723-2558
Mailing Address1111 E Cesar Chavez StAustin, TX 78702-4209 · (512) 978-8130
Sole ProprietorYes
Enumeration DateDecember 14, 2005
Last NPPES UpdateOctober 13, 20252 updates tracked since enumeration
NPPES CertifiedOctober 13, 2025
NPI 1760467443 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Licenses Licensed in TX · R0379 Licensed in CA · G40851
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
5339 N IH 35 STE 100, Austin, TX 78723

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)

Dr. Charles Guido Cox Md 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 78723 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
$131.95 typical visit price
range $57.88 – $174.00
Typical copayment $32.98 (range $14.47 – $43.50)
Most-billed visit code 99204
Established Patient
$101.65 typical visit price
range $18.88 – $142.23
Typical copayment $25.41 (range $4.72 – $35.55)
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 19

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

Nurse Practitioner (Pediatrics)
5339 N IH 35 STE 100
AUSTIN, TX 78723
Nurse Practitioner
5339 N IH 35 STE 100
AUSTIN, TX 78723
Internal Medicine (Rheumatology)
5339 N IH 35 STE 100
AUSTIN, TX 78723
Nurse Practitioner (Acute Care)
5339 N IH 35 STE 100
AUSTIN, TX 78723
Internal Medicine (Nephrology)
5339 N IH 35 STE 100
AUSTIN, TX 78723
Nurse Practitioner (Pediatrics)
5339 N IH 35 STE 100
AUSTIN, TX 78723
Internal Medicine (Gastroenterology)
5339 N IH 35 STE 100
AUSTIN, TX 78723
Internal Medicine
5339 N IH 35 STE 100
AUSTIN, TX 78723

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 Cox's NPI number?

The NPI number for Charles Cox is 1760467443. It was assigned to this individual provider in the NPPES registry on December 14, 2005.

Where is Charles Cox located?

Charles Cox practices at 5339 N Ih 35 Ste 100, Austin, TX 78723. The listed phone number is (512) 978-8130.

What is Charles Cox's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Charles Cox enrolled in Medicare?

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

What insurance does Charles Cox accept?

Health plans from Blue Cross and Blue Shield of Texas list Charles Cox 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 Cox was last updated on October 13, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.