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

Family Practice

David R. Witt, MD

Works at hospitals in Longview, TX · Texas

Summary

Dr. David R. Witt, MD is a family doctor at 805 Medical Cir, Longview, TX 75605. Phone: (903) 232-8100. Accepts Medicare assignment. In 2024, David R. Witt had 825 Original Medicare patients and 16,403 services. NPI 1538136528. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about David R. Witt, 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 David R. Witt accept Medicare assignment?
Yes. Medicare's clinician data says David R. Witt 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 David R. Witt see?
In 2024, CMS data shows 825 Original Medicare patients and 16,403 services for David R. Witt. This counts Original Medicare only and measures volume, not quality.
What is David R. Witt's NPI number?
1538136528. 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 David R. Witt, 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 patients825
Services billed to Medicare16,403
Different services or procedures205
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Insertion of needle into vein for collection of blood sample (36415)1,258 services
  2. Injection, methylprednisolone acetate, 1 mg (J1010)1,120 services
  3. Blood test, lipids (cholesterol and triglycerides) (80061)1,065 services
  4. Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)1,026 services
  5. Blood test, comprehensive group of blood chemicals (80053)1,025 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%
  • Arthritis40%
  • Diabetes30%
  • Ischemic heart disease24%
  • Anxiety24%

Hospitals where David R. Witt works

Medicare's Facility Affiliation Data lists David R. Witt 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 David R. Witt is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists David R. Witt as a member of this group (CMS data updated October 2, 2026).

  • Associated Clinicians of East Texas108 clinicians in the group

Specialties

Find other Family Practice doctors in Texas →

Other family doctors in Longview

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

All family doctors in Longview →

Other clinicians in Associated Clinicians of East Texas

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

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Medical School At Houston
Graduation year1997 (29 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1538136528
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