Andrew B. Stefaniwsky
Experienced in Proctitis

Dr. Andrew B. Stefaniwsky

Gastroenterology
Atlantic Health
Atlantic Medical Group Gastroenterology At Pompton Plains
242 West Parkway, 
Pompton Plains, NJ 
On Staff At
Accepting New Patients

Experienced in Proctitis
Atlantic Health
Atlantic Medical Group Gastroenterology At Pompton Plains
242 West Parkway, 
Pompton Plains, NJ 
OverviewInsuranceLocationsSimilar Doctors

Overview

Dr. Andrew Stefaniwsky is a fellowship-trained gastroenterologist with Atlantic Medical Group, diagnosing and treating a range of digestive disorders from irritable bowel syndrome to liver conditions. Dr. Stefaniwsky joins Atlantic Medical Group from private practice, The Medical Group PA, where he was a founding partner from the time it was established in 1982. After receiving his medical degree from Robert Wood Johnson Medical School, Dr. Stefaniwsky remained there to pursue his residency, served as chief resident. He continued for fellowship training at UMDNJ-New Jersey Medical School, where he also served as a clinical instructor. A leader in his field, Dr. Stefaniwsky has held positions that have included president of the New Jersey Endoscopy Society and chief of the Department of Gastroenterology at Irvington General Hospital. Board certified in internal medicine and gastroenterology, Dr. Stefaniwsky is a fellow of the American College of Gastroenterology and a fellow of the American College of Physicians. He is also a member of Phi Beta Kappa academic honor society. Dr. Stefaniwsky maintains professional membership in the American Medical Association, New Jersey Medical Society, American College of Gastroenterology and American Society of Gastrointestinal Endoscopy. His research in the use of Ursodeoxycholic acid in bile acid gastritis was published in The Gastroenterology Journal. Dr. Stefaniwsky is a participating provider of the Atlantic Accountable Care Organization.

Dr. Stefaniwsky is rated as an Experienced provider by MediFind in the treatment of Proctitis. His top areas of expertise are Chronic Erosive Gastritis, Gastrointestinal Bleeding, Gastritis, Gastrectomy, and Endoscopy.

Graduate Institution
Robert Wood Johnson Medical School
Residency
Robert Wood Johnson - Rutgers
Specialties
Gastroenterology
Licenses
Internal Medicine in NJ
Board Certifications
American Board Of Internal Medicine
Fellowships
UMDNJ New Jersey Medical School
Hospital Affiliations
Atlantic Medical Group
Overlook Medical 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:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Ambetter
  • EPO
  • HMO
  • PPO
AmeriHealth
  • EPO
  • HMO
Anthem BCBS
  • EPO
  • HMO
  • POS
  • PPO
Aspirus Arise Health Plan
  • INSURANCE PLAN
  • OTHER COMMERCIAL
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
Cambia Health Solutions
  • EPO
  • INSURANCE PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • PPO
Capital Blue Cross
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • OTHER MEDICARE PART D
  • PPO
CareFirst
  • HMO
  • POS
  • PPO
Change Healthcare
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
Cigna
  • EPO
  • HMO
  • PPO
Clover Health
  • INSURANCE PLAN
  • MEDICARE MAPD
EmblemHealth
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER COMMERCIAL
  • OTHER MEDICARE PART D
Geisinger
  • HMO
  • POS
  • 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
Health Partners Plans
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE SNP
Highmark
  • EPO
  • HMO
  • PPO
Horizon Healthcare
  • EPO
  • POS
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Independent Health
  • EPO
  • POS
  • PPO
Longevity Health Plan
  • MEDICARE SNP
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Medicare
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE PART D
Meridian Choice
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
Oscar
  • EPO
  • HMO
  • PPO
Premera Blue Cross
  • INSURANCE PLAN
  • MEDICARE MAPD
  • OTHER COMMERCIAL
  • PPO
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
UPMC
  • EPO
  • 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 27 Less Insurance Carriers -

Locations

Atlantic Medical Group Gastroenterology at Pompton Plains
242 West Parkway, Pompton Plains, NJ 07444
Call: 862-248-8165
Other Locations
Atlantic Medical Group Gastroenterology at Metuchen
45 Pearl Street, Metuchen, NJ 08840
Call: 732-590-6108

Additional Areas of Focus

Dr. Stefaniwsky 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
Distinguished in Proctitis
Dr. Brian Bosworth
Gastroenterology
Distinguished in Proctitis
Dr. Brian Bosworth
Gastroenterology

NYU Langone Inflammatory Bowel Disease Center

305 E 33rd St, 
New York, NY 
 (22.9 miles away)
855-698-4232
Languages Spoken:
English
See accepted insurances
Offers Telehealth

Brian Bosworth is a Gastroenterologist in New York, New York. Dr. Bosworth is rated as a Distinguished provider by MediFind in the treatment of Proctitis. His top areas of expertise are Proctitis, Viral Gastroenteritis, Ulcerative Colitis, Colonoscopy, and Endoscopy.

Distinguished in Proctitis
Dr. Sing Chan
Gastroenterology
Distinguished in Proctitis
Dr. Sing Chan
Gastroenterology

Office

3808 Union St Ste 3N, 
Flushing, NY 
 (28.4 miles away)
718-886-6292
Languages Spoken:
English
See accepted insurances
Offers Telehealth

Sing Chan is a Gastroenterologist in Flushing, New York. Dr. Chan is rated as a Distinguished provider by MediFind in the treatment of Proctitis. His top areas of expertise are Gas Bloat Syndrome, Menetrier Disease, Chronic Erosive Gastritis, and Proctitis.

Bruce Sands
Distinguished in Proctitis
Dr. Bruce Sands
Gastroenterology
Distinguished in Proctitis
Dr. Bruce Sands
Gastroenterology

MSSM-Optical Shop

17 E 102nd St, 
New York, NY 
 (21.9 miles away)
212-241-8100
Languages Spoken:
English
See accepted insurances
Offers Telehealth

Bruce Sands is a Gastroenterologist in New York, New York. Dr. Sands is rated as an Elite provider by MediFind in the treatment of Proctitis. His top areas of expertise are Ulcerative Colitis, Crohn's Disease, Hemorrhagic Proctocolitis, Endoscopy, and Colonoscopy.

VIEW MORE PROCTITIS 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. Stefaniwsky's expertise for a condition
ConditionClose
      • Advanced
      • Chronic Erosive Gastritis
        Dr. Stefaniwsky is
        Advanced
        . Learn about Chronic Erosive Gastritis.
        See more Chronic Erosive Gastritis experts
      • Gastrointestinal Bleeding
        Dr. Stefaniwsky is
        Advanced
        . Learn about Gastrointestinal Bleeding.
        See more Gastrointestinal Bleeding experts
      • Experienced
      • Anemia
        Dr. Stefaniwsky is
        Experienced
        . Learn about Anemia.
        See more Anemia experts
      • Bile Duct Obstruction
        Dr. Stefaniwsky is
        Experienced
        . Learn about Bile Duct Obstruction.
        See more Bile Duct Obstruction experts
      • Bile Duct Stricture
        Dr. Stefaniwsky is
        Experienced
        . Learn about Bile Duct Stricture.
        See more Bile Duct Stricture experts
      • Cholestasis
        Dr. Stefaniwsky is
        Experienced
        . Learn about Cholestasis.
        See more Cholestasis experts
      • Colitis
        Dr. Stefaniwsky is
        Experienced
        . Learn about Colitis.
        See more Colitis experts
      • Colonoscopy
        Dr. Stefaniwsky is
        Experienced
        . Learn about Colonoscopy.
        See more Colonoscopy experts
      View All 28 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.

        Once you submit your request, MediFind will reach out to the provider’s office to help schedule your appointment. Note that this is not a confirmed booking. You’ll receive a status update via email within 1–2 business days.

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