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

Family Practice

John J. Harris, MD

Sees patients in Texarkana, TX · Houston, TX · Texas

Summary

John J. Harris, MD (Family Practice) is enrolled with Medicare at 2 practice locations in Texarkana, TX and Houston, TX. NPI 1194936013. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about John J. Harris, 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

Family PracticePrimary specialty
YesAccepts Medicare assignment
22Years since medical school (graduated 2004)
MaleGender (as listed)
Round Table Physicians Group PLLCGroup practice (+1 more)

Quick answers

Where does John J. Harris see patients?
Medicare's clinician data lists 2 practice locations, including Texarkana, TX and Houston, TX. Call before your visit to confirm the address.
What is John J. Harris's specialty?
Medicare lists Family Practice as the primary specialty, and also Emergency Medicine.
Does John J. Harris accept Medicare assignment?
Yes. Medicare's clinician data says John J. Harris accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for John J. Harris?
(786) 305-4192, as listed in official Medicare / NPI Registry data.
What is John J. Harris's NPI number?
1194936013. 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 John J. Harris is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists John J. Harris as a member of these groups (CMS data updated 2026-10-02).

  • Round Table Physicians Group PLLC80 clinicians in the group
  • Big Leap Medical Group of America P.A.14 clinicians in the group

Specialties

Find other Family Practice doctors in Texas →

Other family doctors in Texarkana

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

All family doctors in Texarkana →

Clinician information

CredentialMD
Graduation year2004
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1194936013
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