Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Critical Care Specialists of North Texas, Pllc

Critical Care Medicine (Internal Medicine) Physician in Wichita Falls, TX · enumerated 2014 · authorized official Rafael Rivera, President.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1851717508

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Registry record

Entity type Organization (Type 2)

Legal business name Critical Care Specialists of North Texas, Pllc

Practice address 1600 11th St, Wichita Falls, TX, 76301

Phone (940) 322-4480

Fax (940) 322-8420

Enumeration date Mar 5, 2014

Last updated in NPPES Mar 5, 2014

Taxonomy & classification

207RC0200X Critical Care Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians Primary

207RP1001X Pulmonary Disease Physician Allopathic & Osteopathic Physicians Secondary

Authorized official

Name Rafael Rivera

Title President

Phone (940) 357-0295

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

What type of organization is Critical Care Specialists of North Texas, Pllc?

Critical Care Specialists of North Texas, Pllc is registered in NPPES as a Critical Care Medicine (Internal Medicine) Physician (its primary provider taxonomy).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-03-05.