Summary

Dr. Clark Antonson has practiced gastroenterology and internal medicine for 41 years. He treats colon polyps, adenomatous polyps, and hyperplastic polyps, and performs colonoscopy, lower GI endoscopy, and upper GI endoscopy.

Dr. Antonson earned his medical degree from the University of Nebraska College of Medicine and completed his residency at the University of Kansas Medical Center. He sees patients in Lincoln, Nebraska, and is affiliated with Chi Health Saint Elizabeth, Bryan Medical Center West, Bryan Medical Center, Jefferson Community Health and Life, and Chi Health Nebraska Heart. Patients on Vitals rate Dr. Antonson 3.87 out of 5.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.9
  • 41 years of experience
  • speaks English
  • University Of Kansas Medical Center
  • 5 written reviews
  • 2 specialties
  • 11 areas of expertise
  • 5 hospital affiliations
  • 6 office locations
  • Male

Patients’ Perspective

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

Office Locations

Dr. Clark William Antonson has 6 locations

Gastroenterology Specialties Pc

4545 R St Ste 100Lincoln, NE 68503
Mon8:00 am - 4:30 pm
Tue8:00 am - 4:30 pm
Wed8:00 am - 4:30 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 4:30 pm
SatClosed
SunClosed

Bryan Medical Center

1600 S 48th StLincoln, NE 68506

Bryan Medical Center West

2300 S 16th StLincoln, NE 68502

Lincoln Digestive Health Center Llc

2300 S 16th St Ste 512Lincoln, NE 68502
Mon7:00 am - 5:00 pm
Tue7:00 am - 5:00 pm
Wed7:00 am - 5:00 pm
Thu7:00 am - 5:00 pm
Fri7:00 am - 5:00 pm
SatClosed
SunClosed

Chi Health Nebraska Heart

7500 S 91st StLincoln, NE 68526

Compare with Similar Doctors

Dr. Clark William Antonson, MD
Dr. Louis Anthony Dominic Violi, MD
Dr. Harpaul Singh Bajwa, MD
Dr. Mark Ramsey Hutchins, MD
Dr. Clark William Antonson, MDDr. Louis Anthony Dominic Violi, MDDr. Harpaul Singh Bajwa, MDDr. Mark Ramsey Hutchins, MD
GastroenterologyCritical Care MedicineInterventional CardiologyInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
3.9 
3.4 
5 
4.4 
41 Years of Experience 35 Years of Experience 41 Years of Experience 50 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English, Spanish Speaks English
Lincoln , NELincoln , NELincoln , NELincoln , NE
Med School: University Of Nebraska College Of Medicine Med School: University Of Nebraska College Of Medicine Med School: Maulana Azad Medical College Med School: University Of Nebraska College Of Medicine
Current Profile
View Profile View Profile View Profile

Insurance Plans Accepted by Dr. Clark William Antonson

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. Clark William Antonson has the following 2 specialties

Specialty Expertise

Dr. Clark William Antonson has the following 11 areas of expertise

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

Certifications, License, & Education

41 Years Experience

Dr. Clark William Antonson holds an expired medical license in the state of Nebraska.

Medical License

Medical Doctor with an expired medical license in the state of Nebraska that expired in 2026.

Education & Training

Residency

Completed their residency at University Of Kansas Medical Center.

Medical School

Graduated from University Of Nebraska College Of Medicine in 1985.

NPI Number

Dr. Antonson's NPI number is 1831182757.

Similar doctors

Frequently Asked Questions

Is Dr. Clark Antonson accepting new patients?
Dr. Clark Antonson is accepting new patients on Vitals. View Dr. Clark Antonson's profile on Vitals to make an appointment.
Does Dr. Clark Antonson accept my insurance?
You can see the insurance plans that Dr. Clark Antonson accepts on their Vitals profile.
Which hospitals is Dr. Clark Antonson affiliated with?
Dr. Clark Antonson is affiliated with Chi Health Saint Elizabeth, Bryan Medical Center West, Bryan Medical Center, Jefferson Community Health And Life, and Chi Health Nebraska Heart.
How can I make an appointment with Dr. Clark Antonson?
You can find contact information for Dr. Clark Antonson here on Vitals.
Where is Dr. Clark Antonson's office located?
Dr. Clark Antonson's office is located at 4545 R St Ste 100, Lincoln, NE, 68503.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews

Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.

Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.

Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.