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Internal Medicine

Karlene Reid, MD

Works at hospitals in Tyler, TX · Texas

Summary

Dr. Karlene Reid, MD is an internal medicine doctor at 620 S Fleishel Ave, CHRISTUS Trinity Clinic, Tyler, TX 75701. Phone: (903) 606-4900. Accepts Medicare assignment. In 2024, Karlene Reid had 16 Original Medicare patients and 35 services. NPI 1578643995. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 620 S Fleishel Ave, CHRISTUS Trinity Clinic, Tyler, TX 75701 · Directions (2 more locations)
  • Phone: (903) 606‑4900
  • Medicare: Accepts Medicare assignment
  • Hospital: CHRISTUS Mother Frances Hospital
  • Group practice: CHRISTUS Trinity Clinic Texas
  • Medical school: graduated 1991 (35 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Karlene Reid, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Karlene Reid accept Medicare assignment?
Yes. Medicare's clinician data says Karlene Reid accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Karlene Reid see?
In 2024, CMS data shows 16 Original Medicare patients and 35 services for Karlene Reid. This counts Original Medicare only and measures volume, not quality.
What is Karlene Reid's NPI number?
1578643995. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Karlene Reid, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients16
Services billed to Medicare35
Different services or procedures4
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)24 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%

Hospitals where Karlene Reid works

Medicare's Facility Affiliation Data lists Karlene Reid at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Karlene Reid is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Karlene Reid as a member of this group (CMS data updated October 2, 2026).

  • CHRISTUS Trinity Clinic Texas1,540 clinicians in the group

Specialties

Find other Internal Medicine doctors in Texas →

Other internal medicine doctors in Tyler

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

All internal medicine doctors in Tyler →

Other clinicians in CHRISTUS Trinity Clinic Texas

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year1991 (35 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1578643995
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians