Summary

Dr. William Stassen is a gastroenterologist who earned his medical degree from Trinity College at the University of Dublin. He completed his residency training at Metrohealth Medical Center, developing expertise in digestive system disorders and endoscopic procedures. Dr. Stassen speaks English and focuses his practice on helping patients with various gastrointestinal conditions.

Dr. Stassen practices at multiple locations throughout Austin and Round Rock, Texas, with affiliations at Seton Northwest Hospital and several other medical centers in the area. He specializes in treating conditions such as colon polyps, diverticular disease, and diverticulosis. His procedural expertise includes performing colonoscopies, lower GI endoscopy, and upper GI endoscopy to diagnose and treat digestive health issues. Patients have given him an average rating of 4.4 stars.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.3
  • 37 insurance plans accepted
  • speaks English
  • Metrohealth Medical Center
  • 13 written reviews
  • 1 specialty
  • 10 areas of expertise
  • 1 hospital affiliation
  • 11 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. William N. Stassen has 11 locations

Austin Endoscopy Center

8015 Shoal Creek Blvd Ste 300Austin, TX 78757
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Austin Gastroenterology

7200 Wyoming Springs Dr # 1300Round Rock, TX 78681
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

William N Stassen Md

11111 Research Blvd Ste 390Austin, TX 78759

Austin Endoscopy Center Iii

3944 Ranch Road 620 S Ste 103Bee Cave, TX 78738
Mon6:00 am - 4:00 pm
Tue6:00 am - 4:00 pm
Wed6:00 am - 4:00 pm
Thu6:00 am - 4:00 pm
Fri6:00 am - 4:00 pm
SatClosed
SunClosed

Cedar Park Regional Medical Center

1401 Medical PkwyCedar Park, TX 78613

Saint Davids Round Rock Medical Center

2400 Round Rock AveRound Rock, TX 78681

Baylor Scott And White Health Round Rock

300 University BlvdRound Rock, TX 78665

Heart Hospital Of Austin

3801 N Lamar BlvdAustin, TX 78756

Family Hospital At Brushy Creek

230 Deer Ridge DrRound Rock, TX 78681

Shoal Creek Blvd

8015 Shoal Creek Blvd Ste 118Austin, TX 78757

Round Rock - Wyoming Springs

7200 Wyoming Springs Dr Ste 1300Round Rock, TX 78681

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Dr. William N. Stassen, MDDr. Lilah Mansour, MDDr. Zeid Karadsheh, MDJi Soo Choi, APRN
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.3 
4.2 
22 Years of Experience
No Virtual Visit Option No Virtual Visit Option Virtual Visit Available Virtual Visit Available
Speaks English Speaks English Speaks Arabic, English Speaks English
Austin , TXPflugerville , TXPasadena , TXSacramento , CA
Med School: Trinity College at the University of Dublin Med School: New York Medical College Med School: New York University
Current Profile
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Insurance Plans Accepted by Dr. William N. Stassen

  • Accepts Medicare
  • Accepts Medicaid
  • Aetna
  • Aetna - HMO
  • Aetna - Medicare (Advantage HMO)
  • Aetna - PPO
  • Ascension Health
  • Ascension Health - PPO
  • Blue Cross Blue Shield of Illinois
  • Blue Cross Blue Shield of Texas
  • CHAMPVA
  • CHAMPVA - HMO
  • Cigna
  • Devoted Health
  • EMI Health
  • First Health (Coventry Health Care)
  • GEHA
  • Golden Rule
  • Humana
  • Humana - Medicare (Advantage HMO)
  • Humana - PPO
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicare
  • Medicare - Medicare (Advantage HMO)
  • Meritain Health
  • Nippon Life Benefits
  • Optimum HealthCare
  • Tricare
  • Tricare - Federal Employees Program
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicaid (Managed)
  • UnitedHealthcare - Medicare
  • UnitedHealthcare - Medicare (Advantage HMO)
  • UnitedHealthcare - PPO
  • UnitedHealthcare Community Plan - Medicaid (Managed)
  • UnitedHealthOne

Medical Specialties

Dr. William N. Stassen has the following specialty

Specialty Expertise

Dr. William N. Stassen has the following 10 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Hemorrhoids
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

Education & Training

Residency

Completed their residency at Metrohealth Medical Center.

Medical School

Graduated from Trinity College at the University of Dublin.

NPI Number

Dr. Stassen's NPI number is 1548245079.

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Frequently Asked Questions

What languages does Dr. William Stassen speak?
Dr. William Stassen speaks English.
Does Dr. William Stassen accept my insurance?
You can see the insurance plans that Dr. William Stassen accepts on their Vitals profile.
Which hospitals is Dr. William Stassen affiliated with?
Dr. William Stassen is affiliated with Seton Northwest Hospital.
Where is Dr. William Stassen's office located?
Dr. William Stassen's office is located at 8015 Shoal Creek Blvd Ste 300, Austin, TX, 78757.
How can I make an appointment with Dr. William Stassen?
You can find contact information for Dr. William Stassen here on Vitals.

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