Dr. William Ewen
Last updated: Jan 21, 2026

Dr. William Ewen

  • Gender: Male
  • Experience: 14 years
  • Sole propriator: No
  • NPI: 1538355490

Dr. William Ewen M.D.

Emergency Physician

He is located at 300 University Boulevard in Round Rock, TX 78665. Can help patients with the following: Brain Hemorrhage, Costochondritis, Fever, Frostbite, General Care, Phlebitis and Thrombophlebitis. His National Provider Identifier (NPI) number is 1538355490. Appointment can be made via the phone number (512) 509-0100.

Conditions treated

Dr. William Ewen, being an emergency physician, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. William Ewen.

  • Acute Pain
  • Altitude Sickness
  • Angina
  • Brain Aneurysm
  • Brain Hemorrhage
  • Broken Bone
  • Bruises
  • Choking
  • Common Cold
  • Coronavirus
  • Costochondritis
  • Febrile Seizure
  • Fever
  • Frostbite
  • General Care
  • Headache
  • Hematoma
  • Influenza
  • Insect Stings
  • Laceration
  • Migraine
  • Nausea and Vomiting
  • Phlebitis and Thrombophlebitis
  • Prescription Refill
  • Whiplash

Procedures Performed by Dr. William Ewen

Insurances Accepted by Dr. William Ewen

  1. Medicare

Medicare Enrollment

Dr. William Ewen is enrolled to bill Medicare as a Practitioner - Emergency Medicine .

Bills through: University Of Texas Southwestern Medical Center At Dallas

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and is not a comment on insurance accepted, quality, outcomes, or board certification.

Payments received

Drug payment

AstraZeneca $13

Other

Food and Beverage $14

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Questions & Answers

Does Dr. William Ewen accept patients with Medicare?

Yes, Dr. William Ewen accepts patients with Medicare.

What conditions does Dr. William Ewen treat?

Dr. William Ewen provides treatment for Brain Hemorrhage, Costochondritis, Fever, Frostbite, General Care, Phlebitis and Thrombophlebitis. For the full list see this list.

Where can you meet with Dr. William Ewen?

Dr. William Ewen's office is located at 300 University Boulevard in Round Rock, TX 78665.