The 20 Best Colonoscopy Doctors Near Me

Find the Experts and Specialists who perform Colonoscopy

OverviewFind a DoctorLatest AdvancesClinical Trials
Glenn S. Freed
Experienced in Colonoscopy

Dr. Glenn S. Freed

Gastroenterology
Lehigh Valley Health Network
LVH Gastroenterology–1501 N Cedar Crest
1501 N Cedar Crest Blvd, Suite 110, 
Allentown, PA 

Experienced in Colonoscopy
Lehigh Valley Health Network
LVH Gastroenterology–1501 N Cedar Crest
1501 N Cedar Crest Blvd, Suite 110, 
Allentown, PA 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Glenn Freed is a Gastroenterologist in Allentown, Pennsylvania. Dr. Freed is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Barrett Esophagus, Familial Adenomatous Polyposis, Esophagitis, Endoscopy, and Colonoscopy.

His clinical research consists of co-authoring 1 peer reviewed article and participating in 8 clinical trials. MediFind looks at clinical research from the past 15 years. In particular, he has participated in 1 clinical trial in the study of Colonoscopy.

Graduate Institution
Philadelphia College Of Osteopathic Medicine, Doctor Of Osteopathic Medicine (DO), 1978
Specialties
Gastroenterology
Licenses
Internal Medicine in PA
Fellowships
Gastroenterology, St. Mary's Family Walk-In Health Center, Reno, NV- 1982
Gastroenterology, Loyola University Medical Center- 1983
Hospital Affiliations
Lehigh Valley Hospital - Hazleton
Languages Spoken
English
Gender
Male

Insurance

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

Find your insurance
Find your insuranceClose

Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem BCBS
  • EPO
  • HMO
  • POS
  • PPO
Avalon Health Care
  • MEDICARE PDP
Capital Blue Cross
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • OTHER MEDICARE PART D
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
Geisinger
  • HMO
  • POS
  • PPO
Highmark
  • EPO
  • HMO
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Independent Health
  • EPO
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
PA Health and Wellness
  • HMO
  • MANAGED MEDICAID PLAN
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
UPMC
  • EPO
  • PPO
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 10 Less Insurance Carriers -

Locations

LVH Gastroenterology–1501 N Cedar Crest
1501 N Cedar Crest Blvd, Suite 110, Allentown, PA 18104
Call: 610-821-2828

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.


8 Clinical Trials

A Phase 3, Multicenter, Open-Label Extension Study to Evaluate the Long Term Efficacy and Safety of Mirikizumab in Patients With Moderately to Severely Active Ulcerative Colitis LUCENT 3
A Phase 3, Multicenter, Open-Label Extension Study to Evaluate the Long Term Efficacy and Safety of Mirikizumab in Patients With Moderately to Severely Active Ulcerative Colitis LUCENT 3
Enrollment Status: Active_not_recruiting
Publish Date: January 21, 2026
Intervention Type: Drug
Study Drug: Mirikizumab
Study Phase: Phase 3
A Study of Donanemab Versus Placebo in Participants at Risk for Cognitive and Functional Decline of Alzheimer's Disease
A Study of Donanemab Versus Placebo in Participants at Risk for Cognitive and Functional Decline of Alzheimer's Disease
Enrollment Status: Active_not_recruiting
Publish Date: January 21, 2026
Intervention Type: Drug
Study Drug: Donanemab
Study Phase: Phase 3
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
A Phase 3, Multicenter, Randomized, Double-Blind, Placebo- and Active- Controlled, Treat-Through Study to Evaluate the Efficacy and Safety of Mirikizumab in Patients With Moderately to Severely Active Crohn's Disease
A Phase 3, Multicenter, Randomized, Double-Blind, Placebo- and Active- Controlled, Treat-Through Study to Evaluate the Efficacy and Safety of Mirikizumab in Patients With Moderately to Severely Active Crohn's Disease
Enrollment Status: Completed
Publish Date: December 27, 2024
Intervention Type: Drug
Study Drugs: Mirikizumab, Ustekinumab
Study Phase: Phase 3
A Phase 2, Multicenter, Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Efficacy, Safety, Tolerability, and Pharmacodynamic Effect of AK002 in Patients With Eosinophilic Gastritis and/or Eosinophilic Gastroenteritis
A Phase 2, Multicenter, Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Efficacy, Safety, Tolerability, and Pharmacodynamic Effect of AK002 in Patients With Eosinophilic Gastritis and/or Eosinophilic Gastroenteritis
Enrollment Status: Completed
Publish Date: January 19, 2024
Intervention Type: Other, Drug
Study Phase: Phase 2
Blood Collection Sub-Study of Exact Sciences Protocol 2019-01: Clinical Validation of an Optimized Multi-Target Stool DNA (Mt-sDNA 2.0) Test, For Colorectal Cancer Screening BLUE-C
Blood Collection Sub-Study of Exact Sciences Protocol 2019-01: Clinical Validation of an Optimized Multi-Target Stool DNA (Mt-sDNA 2.0) Test, For Colorectal Cancer Screening BLUE-C
Enrollment Status: Completed
Publish Date: September 28, 2023
Intervention Type: Other
Clinical Validation of An Optimized Multi-Target Stool DNA (Mt-sDNA 2.0) Test, for Colorectal Cancer Screening BLUE-C
Clinical Validation of An Optimized Multi-Target Stool DNA (Mt-sDNA 2.0) Test, for Colorectal Cancer Screening BLUE-C
Enrollment Status: Completed
Publish Date: September 01, 2023
Intervention Type: Procedure, Diagnostic test
View 7 Less Clinical Trials

1 Total Publications

The impact of an educational program on HCV patient outcomes using boceprevir in community practices (OPTIMAL trial).
The impact of an educational program on HCV patient outcomes using boceprevir in community practices (OPTIMAL trial).
Journal: Therapeutic advances in gastroenterology
Published: September 02, 2015
Similar Doctors
David Kastenberg
Distinguished in Colonoscopy
Dr. David Kastenberg
Gastroenterology | Hepatology
Distinguished in Colonoscopy
Dr. David Kastenberg
Gastroenterology | Hepatology

Gastroenterology Cherry Hill

2211 Chapel Avenue West, Suite 401, 
Cherry Hill, NJ 
 (85.8 miles away)
Languages Spoken:
English
See accepted insurances
Offers Telehealth

David Kastenberg is a Hepatologist and a Gastroenterologist in Cherry Hill, New Jersey. Dr. Kastenberg is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Ulcerative Colitis, Celiac Disease, Barrett Esophagus, Colonoscopy, and Endoscopy.

Distinguished in Colonoscopy
Dr. Shivan Mehta
Gastroenterology
Distinguished in Colonoscopy
Dr. Shivan Mehta
Gastroenterology

Penn Gastroenterology Pennsylvania Hospital

719 Manning St, Farm Journal Building, 4th Floor, 
Philadelphia, PA 
 (81.5 miles away)
800-789-7366
Languages Spoken:
English
See accepted insurances
Accepting New Patients

Shivan Mehta is a Gastroenterologist in Philadelphia, Pennsylvania. Dr. Mehta is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Colorectal Cancer, Gastrointestinal Bleeding, Familial Colorectal Cancer, Colonoscopy, and Endoscopy. Dr. Mehta is currently accepting new patients.

Distinguished in Colonoscopy
Dr. Gerald Bertiger
Gastroenterology
Distinguished in Colonoscopy
Dr. Gerald Bertiger
Gastroenterology

Wellspan Medical Group

4150 Barrett Blvd, 
Ephrata, PA 
 (58.2 miles away)
717-738-6782
Languages Spoken:
English, American Sign Language
See accepted insurances
Accepting New Patients

Gerald Bertiger is a Gastroenterologist in Ephrata, Pennsylvania. Dr. Bertiger is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Gastrointestinal Bleeding, Diarrhea, Trichohepatoenteric Syndrome, Colonoscopy, and Endoscopy. Dr. Bertiger is currently accepting new patients.

VIEW MORE COLONOSCOPY DOCTORS

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. Freed's expertise for a condition
ConditionClose
        • Experienced
        • Alcoholic Cirrhosis
          Dr. Freed is
          Experienced
          . Learn about Alcoholic Cirrhosis.
          See more Alcoholic Cirrhosis experts
        • Angiodysplasia of the Colon
          Dr. Freed is
          Experienced
          . Learn about Angiodysplasia of the Colon.
          See more Angiodysplasia of the Colon experts
        • Barrett Esophagus
          Dr. Freed is
          Experienced
          . Learn about Barrett Esophagus.
          See more Barrett Esophagus experts
        • Chronic Erosive Gastritis
          Dr. Freed is
          Experienced
          . Learn about Chronic Erosive Gastritis.
          See more Chronic Erosive Gastritis experts
        • Cirrhosis
          Dr. Freed is
          Experienced
          . Learn about Cirrhosis.
          See more Cirrhosis experts
        • Colitis
          Dr. Freed is
          Experienced
          . Learn about Colitis.
          See more Colitis experts
        View All 33 Experienced Conditions
        Want to save this doctor for later?
        Sign Up
        Is this your doctor?
        Find A Second Opinion
        Not sure about your diagnosis?
        Check Your Symptoms
         
         
         
         
        Learn about our expert tiers
        Learn More
        Are you the provider on this profile?
        Claim Profile
        For Patients
        • Our Story
        • How MediFind Works
        • Conditions A-Z
        • Doctor Directory
        • Symptoms Directory
        • Procedures Directory
        • Treatment Directory
        • Drug Directory
        • Infusion Center Finder
        • FAQ
        • Contact Us
        For Providers and Practices
        • Claim Your Profile
        • Newsroom
        Business Solutions
        • Provider
        • Network Solutions
        Additional Resources
        • Consumer Health Data Privacy Policy
        • Privacy Policy
        • Terms of Use
        • Advertising Policy
        • Content Policy
        Subscribe to our newsletter

        Sign up to stay informed about MediFind and get wellness sent your way.

        Close

          By subscribing, I agree to MediFind's Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.

          Bullet PinMediFind
          Follow us on
          This information is not intended as a substitute for informed medical advice. You should work with a licensed professional to diagnose and treat health conditions. We let the data speak for itself, MediFind does not endorse any healthcare providers.
          © 2026 All Rights Reserved

          Request an Appointment

          If you are experiencing a medical emergency, call 9-1-1.

          MediFind will contact the provider for your appointment request. You’ll receive status updates by email. Your provider or MediFind will reach out to you directly by phone or email to schedule your appointment or request additional information.

          Patient Details

          This information is for the patient who will be seen at the appointment.

            Close

            Returning patient? Use your address on file with the provider.

            Insurance Details

            Please provide information of the primary insurance holder as the practice may require this information to schedule.

            Insurance Provider *
            Insurance ProviderClose

            Appointments Details

            Let’s get more information about your appointment.

                    0 / 1000
                    0 / 1000
                    By pressing the Submit button you are agreeing to MediFind’s Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.