Jonathan Williams
Advanced in Colitis

Dr. Jonathan Williams

Gastroenterology
Endeavor Health
Gastroenterology Consultants Of The North Shore
2050 Pfingsten Rd., Suite 105, 
Glenview, IL 
Offers Telehealth

Advanced in Colitis
Endeavor Health
Gastroenterology Consultants Of The North Shore
2050 Pfingsten Rd., Suite 105, 
Glenview, IL 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Jonathan Williams is a Gastroenterologist in Glenview, Illinois. Dr. Williams is rated as an Advanced provider by MediFind in the treatment of Colitis. His top areas of expertise are Gastric Dysmotility, Tenesmus, Gastroesophageal Reflux Disease (GERD), Endoscopy, and Gastrectomy.

His clinical research consists of co-authoring 3 peer reviewed articles and participating in 2 clinical trials. MediFind looks at clinical research from the past 15 years. In particular, he has participated in 2 clinical trials in the study of Colitis.

Graduate Institution
Midwestern University Chicago College Of Osteopathic Medicine, 2002
Residency
Loyola University Medical School, Internal Medicine, 2005
Specialties
Gastroenterology
Licenses
Internal Medicine in IL
Board Certifications
American Board Of Internal Medicine
Fellowships
Loyola University Medical School, Gastroenterology, 2008
Hospital Affiliations
Mercy Health System Corp
Northshore University Healthsystem - Evanston Hospital
Languages Spoken
English
Spanish
Gender
Male

Insurance

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

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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
Blue Shield of California
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE-MEDICAID PLAN
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Capital Blue Cross
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • OTHER MEDICARE PART D
  • PPO
CareFirst
  • HMO
  • POS
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
Essence Healthcare
  • INSURANCE PLAN
  • MEDICARE MAPD
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
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Icare Independent Care Health Plan
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE SNP
Independent Health
  • EPO
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medica
  • EPO
  • HMO
  • PPO
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
MercyCare
  • EPO
  • HMO
Meridian Choice
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
Northern Plains Alliance
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE PDP
Premera Blue Cross
  • INSURANCE PLAN
  • MEDICARE MAPD
  • OTHER COMMERCIAL
  • PPO
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 18 Less Insurance Carriers -

Locations

Gastroenterology Consultants of the North Shore
2050 Pfingsten Rd., Suite 105, Glenview, IL 60026
Call: 847-998-8530

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.


2 Clinical Trials

A Phase 3, Multicenter, Randomized, Double-Blind, Parallel-Arm, Placebo-Controlled Maintenance Study of Mirikizumab in Patients With Moderately to Severely Active Ulcerative Colitis (LUCENT 2)
A Phase 3, Multicenter, Randomized, Double-Blind, Parallel-Arm, Placebo-Controlled Maintenance Study of Mirikizumab in Patients With Moderately to Severely Active Ulcerative Colitis (LUCENT 2)
Enrollment Status: Completed
Publish Date: October 14, 2025
Intervention Type: Drug
Study Drug: Mirikizumab
Study Phase: Phase 3
A Phase 3, Multicenter, Randomized, Double-Blind, Parallel, Placebo-Controlled Induction Study of Mirikizumab in Conventional-Failed and Biologic-Failed Patients With Moderately to Severely Active Ulcerative Colitis (LUCENT 1)
A Phase 3, Multicenter, Randomized, Double-Blind, Parallel, Placebo-Controlled Induction Study of Mirikizumab in Conventional-Failed and Biologic-Failed Patients With Moderately to Severely Active Ulcerative Colitis (LUCENT 1)
Enrollment Status: Completed
Publish Date: May 31, 2025
Intervention Type: Drug
Study Drug: Mirikizumab
Study Phase: Phase 3
View 1 Less Clinical Trial
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Frank Hoentjen is a Gastroenterologist in Chicago, Illinois. Dr. Hoentjen is rated as a Distinguished provider by MediFind in the treatment of Colitis. His top areas of expertise are Viral Gastroenteritis, Colitis, Crohn's Disease, Colonoscopy, and Endoscopy.

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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

Find Dr. Williams's expertise for a condition
ConditionClose
    • Distinguished
    • Gastric Dysmotility
      Dr. Williams is
      Distinguished
      . Learn about Gastric Dysmotility.
      See more Gastric Dysmotility experts
    • Tenesmus
      Dr. Williams is
      Distinguished
      . Learn about Tenesmus.
      See more Tenesmus experts
    • Advanced
    • Angiodysplasia of the Colon
      Dr. Williams is
      Advanced
      . Learn about Angiodysplasia of the Colon.
      See more Angiodysplasia of the Colon experts
    • Barrett Esophagus
      Dr. Williams is
      Advanced
      . Learn about Barrett Esophagus.
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    • Benign Esophageal Stricture
      Dr. Williams is
      Advanced
      . Learn about Benign Esophageal Stricture.
      See more Benign Esophageal Stricture experts
    • Chronic Erosive Gastritis
      Dr. Williams is
      Advanced
      . Learn about Chronic Erosive Gastritis.
      See more Chronic Erosive Gastritis experts
    • Colitis
      Dr. Williams is
      Advanced
      . Learn about Colitis.
      See more Colitis experts
    • Colonoscopy
      Dr. Williams is
      Advanced
      . Learn about Colonoscopy.
      See more Colonoscopy experts
    View All 18 Advanced Conditions
    • Experienced
    • Acute Pancreatitis
      Dr. Williams is
      Experienced
      . Learn about Acute Pancreatitis.
      See more Acute Pancreatitis experts
    • Alcoholic Cirrhosis
      Dr. Williams is
      Experienced
      . Learn about Alcoholic Cirrhosis.
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    • Anemia
      Dr. Williams is
      Experienced
      . Learn about Anemia.
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    • Anisakiasis
      Dr. Williams is
      Experienced
      . Learn about Anisakiasis.
      See more Anisakiasis experts
    • Ascites
      Dr. Williams is
      Experienced
      . Learn about Ascites.
      See more Ascites experts
    • Bacterial Gastroenteritis
      Dr. Williams is
      Experienced
      . Learn about Bacterial Gastroenteritis.
      See more Bacterial Gastroenteritis experts
    View All 53 Experienced Conditions
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