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Emergency Medicine

William H. Lindsey Ii, MD

Works at hospitals in Round Rock, TX · Austin, TX · Texas

Summary

Dr. William H. Lindsey Ii, MD is an emergency medicine doctor at 8910 Hwy 6 S, Houston, TX 77083. Phone: (832) 699-3777. Accepts Medicare assignment. In 2024, William H. Lindsey Ii had 15 Original Medicare patients and 20 services. NPI 1396700332. 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: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 8910 Hwy 6 S, Houston, TX 77083 · Directions
  • Phone: (832) 699‑3777
  • Medicare: Accepts Medicare assignment
  • Hospitals: Round Rock Medical Center, St David's South Austin Medical Center
  • Group practice: Round Table Physicians Group PLLC
  • Medical school: Texas Tech University Health Science Center School Of Medicine · graduated 1995 (31 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about William H. Lindsey Ii, 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 William H. Lindsey Ii accept Medicare assignment?
Yes. Medicare's clinician data says William H. Lindsey Ii 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 William H. Lindsey Ii see?
In 2024, CMS data shows 15 Original Medicare patients and 20 services for William H. Lindsey Ii. This counts Original Medicare only and measures volume, not quality.
What is William H. Lindsey Ii's NPI number?
1396700332. 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 William H. Lindsey Ii, 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 patients15
Services billed to Medicare20
Different services or procedures6
Participating Medicare providerYes
Average age of these patients62

Most frequent services

  1. Emergency department visit with moderate level of medical decision making (99284)13 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%
  • Arthritis73%

Hospitals where William H. Lindsey Ii works

Medicare's Facility Affiliation Data lists William H. Lindsey Ii 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 William H. Lindsey Ii is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists William H. Lindsey Ii as a member of this group (CMS data updated October 2, 2026).

  • Round Table Physicians Group PLLC80 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Texas →

Other emergency medicine doctors in Houston

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

All emergency medicine doctors in Houston →

Other clinicians in Round Table Physicians Group PLLC

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

Clinician information

CredentialMD
Medical schoolTexas Tech University Health Science Center School Of Medicine
Graduation year1995 (31 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1396700332
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