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Dr. Howard Keschner, MD
Gastroenterology* Age 59
Dr. Howard Keschner, MD
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Dr. Howard Keschner, MD is a Gastroenterologist in East Setauket, NY.
Dr. Howard Keschner, MD
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Dr. Howard Keschner, MD

Gastroenterology* Age 59
East Setauket, NY
Accepting new patients
34 years of experience
Dr. Howard Keschner, MD is a Gastroenterologist in East Setauket, NY.
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About

Dr. Keschner graduated from State University of New York Downstate Health Sciences University College of Medicine in 1992 and completed a residency at Albert Einstein College of Medicine. Dr. Howard Keschner, MD is a Gastroenterologist in East Setauket, NY and has 34 years experience. Dr. Keschner has experience treating conditions like Intestinal Diverticulitis, Constipation, Hemorrhoids, Abdominal Pain, Familial Adenomatous Polyposis, Heartburn, Gastrointestinal Bleeding, Gastritis, Irritable Bowel Syndrome, Nausea and Esophageal Ulcer among other conditions at varying frequencies. Dr. Keschner's office accepts new patients. Dr. Keschner is board certified in Gastroenterology and accepts multiple insurance plans.

Experience Check

Enter a condition or procedure
Intestinal Diverticulitis
Constipation
Hemorrhoids
Intestinal Diverticulitis
Constipation
Hemorrhoids
Intestinal Diverticulitis
Constipation
Hemorrhoids
Abdominal Pain
Familial Adenomatous Polyposis
Heartburn
Gastrointestinal Bleeding
Gastritis
Irritable Bowel Syndrome
Nausea
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Esophageal Ulcer
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Duodenal Polypectomy
Gastroesophageal Reflux Disease (GERD)
Endoscopy
Diaphragmatic and Hiatal Hernia
Dysphagia
Barrett's Esophagus
Intestinal Diverticulosis
Indigestion
Colorectal Polyp
Diarrhea
  • View other providers who treat Diarrhea
Gas-Bloat Syndrome
Rigid Proctosigmoidoscopy
Manometry
Flexible Sigmoidoscopy
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Inflammatory Bowel Disease
Cyclical Vomiting
Hepatitis C
Esophagitis
Reflux Esophagitis
Vomiting Disorders
Eosinophilic Esophagitis
Anemia
  • View other providers who treat Anemia
Gastroptosis
Intestinal Ulcer
Crohn's Disease
Non-Alcoholic Fatty Liver Disease
Gastroparesis
Ulcerative Colitis
Anal or Rectal Pain
Colonoscopy
Liver Damage from Alcohol
Alcoholic Cirrhosis
Intestinal Obstruction
Cirrhosis
Esophageal Motility Disorders
Noninfectious Gastroenteritis and Colitis
Unexplained Weight Loss
Gastric Ulcer
Acute Gastritis
Chronic Gastritis
Retroperitoneum Cancer
Hepatitis B
Pancreatitis
Duodenitis
Hypokalemia
Abnormal Thyroid
Acidosis
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Acute Deep Vein Thrombosis (DVT)
Acute Pharyngitis
Acute Venous Embolism Thrombosis
Alcoholic Fatty Liver
Alcoholic Hepatic Failure
Alcoholic Hepatitis
Alkalosis
All Headaches (incl. Migraine)
All Types of Food Poisoning
Allergic Rhinitis
Animal Allergies
Anxiety
  • View other providers who treat Anxiety
Arthritis
Arthritis of the Elbow
Ascites
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Asthma
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Asymptomatic Post-Menopausal Status
Ataxia
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Atherosclerosis
Autoimmune Hepatitis
Back Pain
Barretts Esophagus with Dysplasia
Bedsores
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Benign Chronic Pain Syndrome
Benign Neoplasm of the Digestive System
Biliary Cirrhosis
Bladder Infection
Blood in Urine (Hematuria)
Bowel Strangulation
Bronchiectasis
Calcium Metabolism Disorders
Celiac Disease
Cellulitis
Chest Pain
Chronic Anal Fissure
Chronic Pain
Chronic Pharyngitis
Colon Cancer
Congenital Achalasia
Congenital Anomaly Esophagus
Congenital Anomaly Intestine
Contact Dermatitis
COPD (Chronic Obstructive Pulmonary Disease)
Cough
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Cyclical Vomiting Syndrome
Deep Vein Thrombosis (DVT)
Dehydration
Dermatitis Due to Drugs
Dermatitis Due to Substances Taken Internally
Diabetes
  • View other providers who treat Diabetes
Diabetes Type 1
Diabetes Type 2
Diabetes With Renal Manifestations
Diabetic Polyneuropathy
Difficulty With Walking
Diffuse Esophageal Spasm
Diverticulitis
Diverticulosis
Dizziness
Down Syndrome
Duodenal Cancer
Duodenal Ulcer
Dysentery
Dyslipidemia
E. coli Food Poisoning
Earwax Buildup
Eczema and Contact Dermatitis
Emphysema
Enlarged Prostate (BPH)
Enteritis
Esophageal Achalasia and Cardiospasm
Esophageal Diverticulum
Esophageal Varices
Essential Tremor
Familial Hypercholesterolemia
Fever
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Fibromyalgia
Food Poisoning
Gait Abnormality
Gallstones
Gastrointestinal Malabsorption
Gastrojejunal Ulcer
Gout
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Hair Loss
Heart Disease
Hemochromatosis
Hepatitis A
Hepatitis B - Immune Response
Hepatorenal Syndrome
Hernia
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Herpes Zoster Without Complication
Hiatal Hernia
Hiatal Hernia with Obstruction
Hives
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Hypercalcemia
Hyperkalemia
Hyperlipidemia
Hypertension
Hypoglycemia
Hypotension
Hypotension (Excluding Maternal)
Hypothyroidism
Hypoxemia
Ileus
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Infectious Diarrheal Disease
Insomnia
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Interstitial Cystitis
Intestinal Prolapse
Iron Metabolism Disorders
Ischemic Colitis
Itchy Skin
Joint Pain
Lactose Intolerance
Leg and Foot Ulcers
Limb Pain
Lipid Disorders
Liver Abscess
Low Back Pain
Lyme Disease
Magnesium Metabolism Disorders
Malaise and Fatigue
Mallory-Weiss Syndrome
Malnutrition
Menopausal and Postmenopausal Disorders
Migraine
  • View other providers who treat Migraine
Mineral Metabolism Disorders
Muscle Weakness
Nail and Nail Bed Infection
Nasopharyngitis
Neoplasm of Gastrointestinal Tract
Neurogenic Bladder
Non-Neonatal Jaundice
Obesity
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Onychomycosis
Osteoarthritis
Osteoarthritis of Foot
Osteoarthritis of Hand
Osteoarthritis of Hand or Wrist
Osteoarthritis of Hip
Osteoarthritis of Hip and Thigh
Osteoarthritis of Shoulder
Osteopenia
Osteoporosis
Overweight
Painful Urination (Dysuria)
Pancreatic Pseudocyst
Patellofemoral Pain Syndrome (PFPS)
Peptic Ulcer
Pernicious Anemia
Pharyngitis
Phlebitis and Thrombophlebitis
Phosphorus Metabolism Disorders
Pneumonia
Pollen Allergy
Polymyalgia Rheumatica (PMR)
Polymyositis
Polyneuropathy
Polyuria
  • View other providers who treat Polyuria
Postnasal Drip
Pouchitis
Primary Biliary Cholangitis
Primary Sclerosing Cholangitis
Proctoptosis
Purpura
  • View other providers who treat Purpura
Pyloric Stenosis
Radiculopathy
Rash
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Raynaud's Disease
Rectal Prolapse
Rectal Ulcer
Restless Leg Syndrome
Ringworm
  • View other providers who treat Ringworm
Salmonella Food Poisoning
Sciatica
  • View other providers who treat Sciatica
Sclerosing Mesenteritis
Sexually Transmitted Diseases (STDs)
Shingles
  • View other providers who treat Shingles
Shortness of Breath
Sinus Bradycardia
Sinus Tachycardia
Sleep Apnea
Splenic Infarct
Splenomegaly
Symptomatic Menopause
Thiamin Deficiency
Throat Pain
Thyroid Goiter
Tobacco Use Disorder
Upper Digestive Tract Cancer
Urinary Incontinence
Urinary Stones
Urinary Tract Infection (UTI)
Varicose Eczema
Venous Embolism and Thrombosis
Venous Insufficiency
Vertigo
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Viral Enteritis
Viral Hepatitis
Vitamin B Deficiency
Vitamin B12 Anemia
Vitamin B12 Deficiency
Vitamin D Deficiency
Vitamin_Deficiency
Wheezing
  • View other providers who treat Wheezing
Advance Directive End of Life Planning
Arterial Blood Gas Test (ABG)
Bile Duct Procedure
Colon Cancer Screening
Colorectal Cancer Screening
Electrocardiogram (EKG)
Fecal Occult Blood Test for Colorectal Cancer
Gallbladder Scan
Hepatitis A Screening
Hepatitis B Virus Screening
Hepatitis C Virus Screening
Hepatitis Screening
Impedance Testing
Instrumental Diagnostic Evaluation for Dysphagia
Laparoscopic Removal of Stones from Biliary Tract
Liver Biopsy
Liver Function Test
pH Probe
  • View other providers who treat pH Probe
Proctosigmoidoscopy
Screening Colonoscopy
Sigmoidoscopy
Smoking Cessation Counseling
Ultrasound
VAP Lipid Testing
Wireless pH Testing

Insurance Accepted

* Please verify this information when scheduling an appointment.
  • BluePPO HSA PPO
    SimplyBlue/Simply Blue Plus PPO
  • MagnaCare PPO
  • Oscar Circle
  • Liberty
    Freedom
  • Choice Plus POS II
    APCN Choice POS II
    Savings Plus of Metro, NY
    Aetna HMO
    Elect Choice (Open Access) EPO
    Premier Care Network Plus - Innovation Health
    Managed Choice (Open Access) POS
    Select
    Open Choice PPO
  • BlueCard PPO
  • LocalPlus
    Cigna HMO
    Open Access Plus
    Cigna PPO
  • Fidelis Care
  • Navigate Plus POS
    Navigate HMO
  • HealthyBlue Advantage
  • MVP Health Plan EPO
  • Empire Hospital/Medical (Trad)
    Connection Employer Sponsored
    Empire Blue Cross Blue Shield PPO
    Blue Acess Employer Sponsored
    Connection Blue High Performance Network HPN
    Empire Hospital
    National Blue High Performance Network HPN

Locations

  1. 1 Long Island Digestive Disease Consultants P.C.
    3400 Nesconset Hwy Ste 101, East Setauket, NY 11733
    Icon Directions Right Arrow Directions Phone Icon (631) 751-8700

Patient Satisfaction

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About Me

Specialties*
Internal Medicine
Gastroenterology
Specialties*
  • *Sharecare does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Keschner communicate via email?
1 user said yes.
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(1)
No
(0)
Does Dr. Keschner offer telehealth services or virtual visits?
2 users said yes.
Yes
(2)
No
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Does Dr. Keschner offer an online patient portal?
4 users said yes.
Yes
(4)
No
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Does Dr. Keschner have free onsite parking?
3 users said yes.
Yes
(3)
No
(0)
Does Dr. Keschner offer weekend visits?
1 user said yes.
Yes
(1)
No
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Does Dr. Keschner offer evening visits?
4 users said yes.
Yes
(4)
No
(0)
Does Dr. Keschner specialize in working with children or adolescents?
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Does Dr. Keschner specialize in working with seniors?
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Does Dr. Keschner specialize in couples therapy?
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Frequently Asked Questions

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. Howard Keschner, MD. To arrange an appointment, call the number on Dr. Keschner's profile.

Dr. Keschner frequently treats the following conditions: Intestinal Diverticulitis, Constipation, Hemorrhoids, Abdominal Pain, Familial Adenomatous Polyposis, Heartburn, Gastrointestinal Bleeding, Gastritis, Irritable Bowel Syndrome, Nausea and Esophageal Ulcer. See more on Sharecare.

Dr. Howard Keschner, MD is affiliated with Stony Brook University Hospital, Mather Hospital and North Shore University Hospital.

Yes, Dr. Howard Keschner, MD holds board certification in Gastroenterology.

Education
Medical Education
  • State University of New York Downstate Health Sciences University College of Medicine
    1992
Medical Education
Board Certifications
  • Gastroenterology
Board Certifications
What’s a board certification and why is it important that my provider has one?

A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.
Residency Hospital
  • Albert Einstein College of Medicine
    1995
Residency Hospital
Fellowship Hospital
  • Temple University Hospital
    1995
Fellowship Hospital

Hospital Affiliations

  • Stony Brook University Hospital

    101 Nicolls Rd, Stony Brook, NY

  • Mather Hospital

    75 N Country Rd, Port Jefferson, NY

  • North Shore University Hospital

    300 Community Dr, Manhasset, NY

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