Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Catherine Lewis, MD

Sees patients in Dallas, TX · Texas

Summary

Catherine Lewis, MD (Internal Medicine) is enrolled with Medicare at 2 practice locations in Dallas, TX. NPI 1366679086. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Catherine Lewis, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
May acceptAccepts Medicare assignment
17Years since medical school (graduated 2009)
FemaleGender (as listed)

Quick answers

Where does Catherine Lewis see patients?
Medicare's clinician data lists 2 practice locations, including Dallas, TX. Call before your visit to confirm the address.
What is Catherine Lewis's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Catherine Lewis accept Medicare assignment?
Medicare's clinician data says Catherine Lewis may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is Catherine Lewis's NPI number?
1366679086. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Catherine Lewis is enrolled with Medicare (CMS data updated 2026-10-02).

  • 4055 Valley View LnDallas, TX 75244
  • 4055 Valley View Ln, Suite 400Dallas, TX 75244

Specialties

Find other Internal Medicine doctors in Texas →

Other internal medicine doctors in Dallas

Clinicians with the same Medicare primary specialty in Dallas, TX — not a recommendation.

All internal medicine doctors in Dallas →

Clinician information

CredentialMD
Graduation year2009
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1366679086
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians