Expertise in
17
conditions

Dr. William D. Farrar

Gastroenterology
Mayo Clinic Health System In Cannon Falls
32021 County 24 Blvd, 
Cannon Falls, MN 
Accepting New Patients
Expertise in
17
conditions
Mayo Clinic Health System In Cannon Falls
32021 County 24 Blvd, 
Cannon Falls, MN 

Overview

William Farrar is a Gastroenterologist practicing medicine in Cannon Falls, Minnesota.

Dr. Farrar is highly rated in 17 conditions, according to our data. His clinical expertise encompasses Trichohepatoenteric Syndrome, Gastroesophageal Reflux Disease (GERD), Gastroparesis, Endoscopy, and Gastrectomy.

He is actively involved in clinical research, co-authoring 1 peer reviewed article. Dr. Farrar is currently accepting new patients.

Specialties

Gastroenterology

Licenses

Internal Medicine in MN

Hospital Affiliations

Mayo Clinic Health System - Lake City
Mayo Clinic Health System - Cannon Falls
Mayo Clinic Health System In Red Wing
Mayo Clinic Hospital Rochester

Languages Spoken

English

Gender

Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

Find your insurance
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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem BCBS
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
CareFirst
  • HMO
  • POS
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
Health Care Services Corporation
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
HealthPartners
  • POS
  • PPO
Highmark
  • EPO
  • HMO
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medica
  • EPO
  • HMO
  • PPO
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Northern Plains Alliance
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE PDP
Sanford Health
  • HMO
  • PPO
Security Health
  • EPO
  • HMO
  • INDEMNITY
  • POS
South Country Health Alliance
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
TeamCare
  • OTHER COMMERCIAL
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Walgreens
  • MEDICARE DISCOUNT CARD
  • MEDICARE PDP
  • OTHER MEDICARE
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 15 Less Insurance Carriers -

Locations

Mayo Clinic Health System In Cannon Falls
32021 County 24 Blvd, Cannon Falls, MN 55009
Other Locations
Mayo Clinic Health System In Red Wing
701 Hewitt Blvd, Red Wing, MN 55066

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.

1 Total Publications

Diverticulitis Incidence in a Rural Population.
Diverticulitis Incidence in a Rural Population.
Journal: Mayo Clinic proceedings
Published: February 16, 2026
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Frequently Asked Questions about Dr. William D. Farrar

How do I make an appointment with Dr. William D. Farrar?

You can book an appointment with Dr. William D. Farrar by calling their office at 651-267-5629. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. William D. Farrar a top-rated expert for Trichohepatoenteric Syndrome?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. William D. Farrar is classified as an Advanced expert for Trichohepatoenteric Syndrome, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.

What conditions does Dr. William D. Farrar specialize in?

While Dr. William D. Farrar is a Gastroenterology, they have specific expertise in Trichohepatoenteric Syndrome, Gastroesophageal Reflux Disease (GERD), and Gastroparesis. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Gastroenterology.

Does Dr. William D. Farrar participate in research or clinical trials?

Yes. Dr. William D. Farrar has published 1 articles and abstracts on conditions like Trichohepatoenteric Syndrome. You can view a list of Dr. William D. Farrar's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.

Does Dr. William D. Farrar accept my insurance?

Dr. William D. Farrar accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 651-267-5629 to verify that your specific plan is currently accepted before your visit.

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

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