Summary

Dr. Howard Keschner is a gastroenterologist with 34 years of experience helping patients with digestive health concerns. He earned his medical degree from SUNY Downstate Medical Center College of Medicine and completed his residency at Temple University Health System. His extensive experience in gastroenterology has equipped him to address a wide range of digestive conditions. Dr. Keschner is fluent in both English and Spanish.

Dr. Keschner practices at multiple locations across Long Island, including East Setauket and Wading River, and maintains an affiliation with Saint Charles Hospital. He specializes in treating conditions such as colon polyps, hemorrhoids, and gastritis. His expertise includes performing colonoscopies and upper GI endoscopies to diagnose and treat digestive disorders. Patients have rated Dr. Keschner 4.4 out of 5 stars on average for his care.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.4
  • 34 years of experience
  • 51 insurance plans accepted
  • speaks English, Spanish
  • Temple University Health System
  • 18 written reviews
  • 1 specialty
  • 10 areas of expertise
  • 1 hospital affiliation
  • 3 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Howard Adam Keschner has 3 locations

Long Island Digestive Disease Consultants

3400 Nesconset Hwy Ste 101East Setauket, NY 11733
Mon7:30 am - 5:00 pm
Tue7:30 am - 5:00 pm
Wed7:30 am - 5:00 pm
Thu7:30 am - 5:00 pm
Fri7:30 am - 5:00 pm
SatClosed
SunClosed

Northwell Health

271 New York 25A Suite 1Wading River, NY 11792
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

Advanced Surgery Center Of Long Island

1500 Route 112Port Jefferson Station, NY 11776
Mon6:30 am - 4:30 pm
Tue6:30 am - 4:30 pm
Wed6:30 am - 4:30 pm
Thu6:30 am - 4:30 pm
Fri6:30 am - 4:30 pm
SatClosed
SunClosed

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Dr. Howard Adam Keschner, MDDr. Weidan Zhao, MDDr. Kristen Kyong Lee, MDJi Soo Choi, APRN
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.4 
34 Years of Experience 17 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks English Speaks English Speaks English
East Setauket , NYNew York , NYNew York , NYSacramento , CA
Med School: Suny Downstate Medical Center College Of Medicine Med School: University of Toledo Med School: Cornell University Med School: New York University
Current Profile
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Insurance Plans Accepted by Dr. Howard Adam Keschner

  • Accepts Medicare
  • Accepts Medicaid
  • 1199SEIU
  • AARP
  • Aetna
  • Aetna - HMO
  • Aetna - Medicare
  • AmeriGroup
  • Anthem Blue Cross
  • Assurant Health
  • Blue Cross Blue Shield
  • Cigna
  • EmblemHealth
  • EmblemHealth - HMO
  • Fidelis Care (NY)
  • Fidelis Care (NY) - Medicaid
  • Fidelis Care (NY) - Medicare
  • GEHA
  • Health First Health Plans
  • Health First Health Plans - Medicaid
  • HealthFirst (NY)
  • HealthFirst (NY) - Medicare
  • Humana
  • Humana - Medicare
  • Humana - Medicare (Advantage HMO)
  • MagnaCare
  • Medicaid
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - HMO
  • Medicare - Medicaid
  • Medicare - Medicare
  • Medicare - PPO
  • Meritain Health
  • MetroPlus Health Plan - Medicaid (Managed)
  • Nippon Life Benefits
  • Northwell Direct
  • Oscar Health Insurance
  • Physicians Health Plan
  • STLDentalPlan| LLC
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicaid
  • UnitedHealthcare - Medicare
  • UnitedHealthcare - Medicare (Advantage HMO)
  • UnitedHealthcare - PPO
  • UnitedHealthcare Oxford
  • UnitedHealthOne
  • University of Arizona Health Plans
  • Wellcare
  • Wellcare - Medicaid (Managed)

Medical Specialties

Dr. Howard Adam Keschner has the following specialty

Specialty Expertise

Dr. Howard Adam Keschner has the following 10 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Hemorrhoids
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

34 Years Experience

Dr. Howard Adam Keschner holds an expired medical license in the state of New York.

Medical License

Medical Doctor with an expired medical license in the state of New York that expired in 2026.

Education & Training

Residency

Completed their residency at Temple University Health System.

Medical School

Graduated from Suny Downstate Medical Center College Of Medicine in 1992.

NPI Number

Dr. Keschner's NPI number is 1871551879.

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Frequently Asked Questions

Is Dr. Howard Keschner accepting new patients?
Dr. Howard Keschner is accepting new patients on Vitals. View Dr. Howard Keschner's profile on Vitals to make an appointment.
Does Dr. Howard Keschner accept my insurance?
You can see the insurance plans that Dr. Howard Keschner accepts on their Vitals profile.
How can I make an appointment with Dr. Howard Keschner?
You can find contact information for Dr. Howard Keschner here on Vitals.
Where is Dr. Howard Keschner's office located?
Dr. Howard Keschner's office is located at 3400 Nesconset Hwy Ste 101, East Setauket, NY, 11733.
Does Dr. Howard Keschner accept virtual/telehealth appointments?
Dr. Howard Keschner has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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