Christopher J. Dimaio
Experienced in Ampullary Cancer

Dr. Christopher J. Dimaio

Gastroenterology
Northwell Health
106 Charles Lindbergh Boulevard, Suite A, 
Uniondale, NY 
On Staff At
Offers Telehealth

Experienced in Ampullary Cancer
Northwell Health
106 Charles Lindbergh Boulevard, Suite A, 
Uniondale, NY 
OverviewInsuranceLocationsSimilar Doctors

Overview

Christopher Dimaio is a Gastroenterologist in Uniondale, New York. Dr. Dimaio is rated as an Experienced provider by MediFind in the treatment of Ampullary Cancer. His top areas of expertise are Familial Pancreatic Cancer, Bile Duct Stricture, Barrett Esophagus, Pancreatectomy, and Endoscopy.

Graduate Institution
SUNY At Buffalo-School Of Medicine & Biomedical Sciences
Residency
Thomas Jefferson University Hospital-Center City
Specialties
Gastroenterology
Licenses
Internal Medicine in NY
Board Certifications
American Board Of Internal Medicine/Gastroenterology
Fellowships
Brigham and Womens Hospital
New York Presbyterian Hospital
Massachusetts General Hospital
Hospital Affiliations
North Shore University Hospital
Huntington Hospital
Long Island Jewish Medical Center
Hofstra/Northwell School Of Medicine/Nursing
Katz Institute For Women's Health
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
  • EPO
  • HMO
  • POS
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
EmblemHealth
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER COMMERCIAL
  • OTHER MEDICARE PART D
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 First
  • HMO
  • POS
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • 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 6 Less Insurance Carriers -

Locations

106 Charles Lindbergh Boulevard, Suite A, Uniondale, NY 11553

Additional Areas of Focus

Dr. Dimaio 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.

Acute Pancreatitis
Non-Alcoholic Fatty Liver Disease
Nonalcoholic Steatohepatitis (NASH)
Similar Doctors
Advanced in Ampullary Cancer
Dr. Dhanasekaran Ramasamy
Gastroenterology
Advanced in Ampullary Cancer
Dr. Dhanasekaran Ramasamy
Gastroenterology

Allied Digestive Health LLC

695 Chestnut St, 
Union, NJ 
 (35.1 miles away)
908-688-6565
Languages Spoken:
English
See accepted insurances
Offers Telehealth

Dhanasekaran Ramasamy is a Gastroenterologist in Union, New Jersey. Dr. Ramasamy is rated as a Distinguished provider by MediFind in the treatment of Ampullary Cancer. His top areas of expertise are Choledocholithiasis, Bile Duct Obstruction, Gas Bloat Syndrome, Gastrectomy, and Endoscopy.

Experienced in Ampullary Cancer
Dr. Mark Schattner
Gastroenterology
Experienced in Ampullary Cancer
Dr. Mark Schattner
Gastroenterology

Memorial Gastroenterology Group

1275 York Ave, 
New York, NY 
 (18.7 miles away)
212-639-2000
Languages Spoken:
English
See accepted insurances
Offers Telehealth

Mark Schattner is a Gastroenterologist in New York, New York. Dr. Schattner is rated as a Distinguished provider by MediFind in the treatment of Ampullary Cancer. His top areas of expertise are Stomach Cancer, Pancreatic Cancer, Familial Pancreatic Cancer, Endoscopy, and Gastrectomy.

Experienced in Ampullary Cancer
Dr. Hans Gerdes
Gastroenterology
Experienced in Ampullary Cancer
Dr. Hans Gerdes
Gastroenterology

Memorial Gastroenterology Group

1275 York Ave, 
New York, NY 
 (18.7 miles away)
212-639-2000
Languages Spoken:
English
See accepted insurances
Offers Telehealth

Hans Gerdes is a Gastroenterologist in New York, New York. Dr. Gerdes is rated as a Distinguished provider by MediFind in the treatment of Ampullary Cancer. His top areas of expertise are Stomach Cancer, Familial Pancreatic Cancer, Jaundice, Endoscopy, and Gastrostomy.

VIEW MORE AMPULLARY CANCER 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. Dimaio's expertise for a condition
ConditionClose
    • Distinguished
    • Familial Pancreatic Cancer
      Dr. Dimaio is
      Distinguished
      . Learn about Familial Pancreatic Cancer.
      See more Familial Pancreatic Cancer experts
    • Advanced
    • Barrett Esophagus
      Dr. Dimaio is
      Advanced
      . Learn about Barrett Esophagus.
      See more Barrett Esophagus experts
    • Bile Duct Obstruction
      Dr. Dimaio is
      Advanced
      . Learn about Bile Duct Obstruction.
      See more Bile Duct Obstruction experts
    • Bile Duct Stricture
      Dr. Dimaio is
      Advanced
      . Learn about Bile Duct Stricture.
      See more Bile Duct Stricture experts
    • Childhood Pancreatitis
      Dr. Dimaio is
      Advanced
      . Learn about Childhood Pancreatitis.
      See more Childhood Pancreatitis experts
    • Choledocholithiasis
      Dr. Dimaio is
      Advanced
      . Learn about Choledocholithiasis.
      See more Choledocholithiasis experts
    • Cholestasis
      Dr. Dimaio is
      Advanced
      . Learn about Cholestasis.
      See more Cholestasis experts
    View All 8 Advanced Conditions
    • Experienced
    • Accessory Pancreas
      Dr. Dimaio is
      Experienced
      . Learn about Accessory Pancreas.
      See more Accessory Pancreas experts
    • Acute Pancreatitis
      Dr. Dimaio is
      Experienced
      . Learn about Acute Pancreatitis.
      See more Acute Pancreatitis experts
    • Ampullary Cancer
      Dr. Dimaio is
      Experienced
      . Learn about Ampullary Cancer.
      See more Ampullary Cancer experts
    • Angiodysplasia of the Colon
      Dr. Dimaio is
      Experienced
      . Learn about Angiodysplasia of the Colon.
      See more Angiodysplasia of the Colon experts
    • Benign Esophageal Stricture
      Dr. Dimaio is
      Experienced
      . Learn about Benign Esophageal Stricture.
      See more Benign Esophageal Stricture experts
    • Childhood Volvulus
      Dr. Dimaio is
      Experienced
      . Learn about Childhood Volvulus.
      See more Childhood Volvulus experts
    View All 50 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.