Russell O. Schub
Experienced in Diarrhea

Dr. Russell O. Schub

Gastroenterology
Johns Hopkins Medicine
Russell Schub
Columbia, MD 
Offers Telehealth
Experienced in Diarrhea
Johns Hopkins Medicine
Russell Schub
Columbia, MD 
OverviewInsuranceLocationsSimilar Doctors

Overview

Russell Schub is a Gastroenterologist in Columbia, Maryland. Dr. Schub is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Heartburn, Familial Adenomatous Polyposis, Barrett Esophagus, and Tenesmus.

Residency
NYC Health+Hospitals/South Brooklyn, Internal Medicine, 1987
Specialties
Gastroenterology
Licenses
Internal Medicine in MD
Board Certifications
American Board Of Internal Medicine
Fellowships
Johns Hopkins University School of Medicine, Gastroenterology, 1989
Hospital Affiliations
Northwest Hospital Center
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:

Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO

Locations

Russell Schub
Suite D, Columbia, MD 21045
Call: 410-730-1000

Additional Areas of Focus

Dr. Schub has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.

Non-Alcoholic Fatty Liver Disease
Nonalcoholic Steatohepatitis (NASH)
Similar Doctors
Elite in Diarrhea
Dr. Mark Donowitz
Gastroenterology
Elite in Diarrhea
Dr. Mark Donowitz
Gastroenterology
600 N Wolfe St, 
Baltimore, MD 
 (12.7 miles away)
410-955-4166
Languages Spoken:
English
See accepted insurances
Accepting New Patients

Mark Donowitz is a Gastroenterologist in Baltimore, Maryland. Dr. Donowitz is rated as a Distinguished provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Diarrhea, Crohn's Disease, Short Bowel Syndrome, and Small Bowel Bacterial Overgrowth. Dr. Donowitz is currently accepting new patients.

Distinguished in Diarrhea
Dr. Aminur Khan
Gastroenterology
Distinguished in Diarrhea
Dr. Aminur Khan
Gastroenterology

Chesapeake Digestive Associates, PC

621 Ridgely Ave, Suite 201, 
Annapolis, MD 
 (22.6 miles away)
410-224-4887
Languages Spoken:
English
See accepted insurances
Offers Telehealth

Aminur Khan is a Gastroenterologist in Annapolis, Maryland. Dr. Khan is rated as a Distinguished provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Diarrhea, Trichohepatoenteric Syndrome, Familial Adenomatous Polyposis, Gastrectomy, and Endoscopy.

Distinguished in Diarrhea
Dr. Joshua Forman
Gastroenterology
Distinguished in Diarrhea
Dr. Joshua Forman
Gastroenterology

Chesapeake Digestive Associates, PC

621 Ridgely Ave, Suite 201, 
Annapolis, MD 
 (22.6 miles away)
410-224-4887
Languages Spoken:
English
See accepted insurances
Offers Telehealth

Joshua Forman is a Gastroenterologist in Annapolis, Maryland. Dr. Forman is rated as a Distinguished provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Choledocholithiasis, Gallstones, Bile Duct Obstruction, Endoscopy, and Gastrectomy.

VIEW MORE DIARRHEA 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. Schub's expertise for a condition
ConditionClose
      • Advanced
      • Barrett Esophagus
        Dr. Schub is
        Advanced
        . Learn about Barrett Esophagus.
        See more Barrett Esophagus experts
      • Familial Adenomatous Polyposis
        Dr. Schub is
        Advanced
        . Learn about Familial Adenomatous Polyposis.
        See more Familial Adenomatous Polyposis experts
      • Heartburn
        Dr. Schub is
        Advanced
        . Learn about Heartburn.
        See more Heartburn experts
      • Tenesmus
        Dr. Schub is
        Advanced
        . Learn about Tenesmus.
        See more Tenesmus experts
      • Experienced
      • Alcoholic Cirrhosis
        Dr. Schub is
        Experienced
        . Learn about Alcoholic Cirrhosis.
        See more Alcoholic Cirrhosis experts
      • Anal Fissure
        Dr. Schub is
        Experienced
        . Learn about Anal Fissure.
        See more Anal Fissure experts
      • Attenuated Familial Adenomatous Polyposis
        Dr. Schub is
        Experienced
        . Learn about Attenuated Familial Adenomatous Polyposis.
        See more Attenuated Familial Adenomatous Polyposis experts
      • Bowel Incontinence
        Dr. Schub is
        Experienced
        . Learn about Bowel Incontinence.
        See more Bowel Incontinence experts
      • Childhood Volvulus
        Dr. Schub is
        Experienced
        . Learn about Childhood Volvulus.
        See more Childhood Volvulus experts
      • Cholangiocarcinoma (Bile Duct Cancer)
        Dr. Schub is
        Experienced
        . Learn about Cholangiocarcinoma (Bile Duct Cancer).
        See more Cholangiocarcinoma (Bile Duct Cancer) experts
      View All 39 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.