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Dr. Howard Keschner, MD

Gastroenterology* Age 57
Dr. Howard Keschner, MD
4.5 (11 Ratings)
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Dr. Howard Keschner, MD is a Gastroenterology Specialist in East Setauket, NY.
Dr. Howard Keschner, MD
4.5 (11 Ratings)
 Share
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Dr. Howard Keschner, MD

Gastroenterology* Age 57
East Setauket, NY
Accepting new patients
32 years of experience
Dr. Howard Keschner, MD is a Gastroenterology Specialist in East Setauket, NY.

About

Dr. Howard Keschner, MD is a Gastroenterology Specialist in East Setauket, NY and has 32 years experience. They 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.They currently practice at Northwell Health and are affiliated with Mather Hospital and North Shore University Hospital. Dr. Keschner has experience treating conditions like Intestinal Diverticulitis, Hemorrhoids and Abdominal Pain among other conditions at varying frequencies. At present, Dr. Keschner received an average rating of 4.5/5 from patients and has been reviewed 11 times. Their office accepts new patients. Dr. Keschner is board certified in Gastroenterology and accepts multiple insurance plans.

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Experience Check

Enter a condition or procedure
Intestinal Diverticulitis
Hemorrhoids
Abdominal Pain
Intestinal Diverticulitis
Hemorrhoids
Abdominal Pain
Intestinal Diverticulitis
Hemorrhoids
Abdominal Pain
Constipation
Gastritis
Gastrointestinal Bleeding
Heartburn
Irritable Bowel Syndrome
Nausea
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Fecal Occult Blood Test for Colorectal Cancer
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Barrett's Esophagus
Colorectal Polyp
Diaphragmatic and Hiatal Hernia
Diarrhea
  • View other providers who treat Diarrhea
Dysphagia
Gas-Bloat Syndrome
Gastroesophageal Reflux Disease (GERD)
Intestinal Diverticulosis
Vomiting Disorders
Duodenal Polypectomy
Endoscopy (Esophagus, Stomach, Small Intestine)
Alcoholic Cirrhosis
Anal or Rectal Pain
Anemia
  • View other providers who treat Anemia
Chronic Gastritis
Cirrhosis
Crohn's Disease
Cyclical Vomiting
Duodenitis
Dysentery
Enteritis
Eosinophilic Esophagitis
Esophageal Motility Disorders
Esophagitis
Familial Adenomatous Polyposis
Gastroparesis
Gastroptosis
Indigestion
Infectious Diarrheal Disease
Inflammatory Bowel Disease
Intestinal Obstruction
Intestinal Ulcer
Liver Damage from Alcohol
Non-Alcoholic Fatty Liver Disease
Noninfectious Gastroenteritis and Colitis
Reflux Esophagitis
Tobacco Use Disorder
Ulcerative Colitis
Unexplained Weight Loss
Upper Digestive Tract Cancer
Arterial Blood Gas Test (ABG)
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Electrocardiogram (EKG)
ERCP (Endoscopic Retrograde Cholangiopancreatography)
Flexible Sigmoidoscopy
Manometry
Rigid Proctosigmoidoscopy
Abnormal Thyroid
Acidosis
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Acute Deep Vein Thrombosis (DVT)
Acute Gastritis
Acute Pharyngitis
Acute Upper Respiratory Infection
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
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Arthritis
Arthritis of the Elbow
Asthma
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Asymptomatic Post-Menopausal Status
Ataxia
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Atherosclerosis
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)
Bronchiectasis
Calcium Metabolism Disorders
Celiac Disease
Cellulitis
Chest Pain
Chronic Anal Fissure
Chronic Interstitial Cystitis
Chronic Pain
Chronic Pharyngitis
Coccygeal Pain
Congenital Achalasia
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
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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
Dyslipidemia
E. coli Food Poisoning
Earwax Buildup
Eczema and Contact Dermatitis
Emphysema
Enlarged Prostate (BPH)
Esophageal Achalasia and Cardiospasm
Esophageal Diverticulum
Esophageal Ulcer
Esophageal Varices
Essential Tremor
Familial Hypercholesterolemia
Fever
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Fibromyalgia
Food Poisoning
Fungal Nail Infection
Gait Abnormality
Gallstones
Gastric Ulcer
Gastrointestinal Malabsorption
Gout
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Hair Loss
Heart Disease
Hemochromatosis
Hepatitis A
Hepatitis B
Hepatitis B - Immune Response
Hepatitis C
Hepatorenal Syndrome
Hereditary Amyloidosis
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
Ileus
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Insomnia
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Intestinal Fistula
Intestinal Prolapse
Iron Metabolism Disorders
Ischemic Colitis
Itchy Skin
Joint Pain
Lactose Intolerance
Leg and Foot Ulcers
Limb Pain
Lipid Disorders
Low Back Pain
Low Blood Oxygen Level
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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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
Pancreatitis
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
Potassium Deficiency
Pouchitis
Primary Biliary Cholangitis
Primary Sclerosing Cholangitis
Purpura
  • View other providers who treat Purpura
Pyloric Stenosis
Radiculopathy
Rash
  • View other providers who treat Rash
Raynaud's Disease
Rectal Ulcer
Restless Leg Syndrome
Retroperitoneum Cancer
Ringworm
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Salmonella Food Poisoning
Sciatica (Not Due to Disc Displacement)
Sexually Transmitted Diseases (STDs)
Shingles
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Shortness of Breath
Sinus Bradycardia
Sinus Tachycardia
Sleep Apnea
Splenomegaly
Stomal Ulcer
Symptomatic Menopause
Thiamin Deficiency
Throat Pain
Thrush
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Thyroid Goiter
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
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Advance Directive End of Life Planning
Colon Cancer Screening
Colonoscopy
Colorectal Cancer Screening
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
Screening Colonoscopy
Smoking Cessation Counseling
Ultrasound
VAP Lipid Testing
Wireless pH Testing

Insurance Accepted

* Please verify this information when scheduling an appointment.
  • Blue Cross and Blue Shield
  • Medicare
  • Great West Healthcare-Cigna
    Workers' Compensation
  • GHI
  • Tricare
  • Medicaid
  • United Healthcare

Locations

  1. 1 Northwell Health
    3400 Nesconset Hwy Ste 101, East Setauket, NY 11733
    Icon Directions Right Arrow Directions Phone Icon (631) 751-8700
  2. 2 Long Island Digestive Disease Consultants Gastroenterology at Wading River
    271 New York # 25A, Wading River, NY 11792
    Icon Directions Right Arrow Directions Phone Icon (631) 751-8700

Patient Satisfaction

Likelihood to recommend Dr. Keschner
4.5
Based on 11 Reviews
5 Stars (9)
4 Stars (1)
3 Stars (0)
2 Stars (0)
1 Star (1)

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Patient Reviews
Feb 08, 2024
During a routine colonoscopy a cancerous tumor was found by my gastro Dr. Keschner. He immediately called the gastro surgeon Dr. Rivadeneira. Dr. Keschner had us scheduled for and appointment at 10am the following morning and surgery was scheduled for the end of the week. I am grateful to Dr. Keschner and his team for their help and guidance during this difficult time.
— Feb 08, 2024
See more reviews on Healthgrades
Photo: Dr. Howard Keschner, MD
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Dr. Keschner's Office & Staff

  • Ease of scheduling urgent appointments
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  • Staff friendliness and courteousness
  • Total wait time (waiting & exam rooms)

Experience with Dr. Keschner

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  • How well provider explains medical condition(s)
  • How well provider listens and answers questions
  • Hpends appropriate amount of time with patients

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About Me

Specialties*
Gastroenterology
Internal Medicine
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.
Education

Education

Medical Education
  • State University of New York Downstate Health Sciences University College of Medicine
    1992
Medical Education

Board Certifications

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

Residency Hospital
  • Albert Einstein College of Medicine
    1995
Residency Hospital

Fellowship

Fellowship Hospital
  • Temple University Hospital
    1995
Fellowship Hospital
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Keschner communicate via email?
1 user said yes.
Yes
(1)
No
(0)
Does Dr. Keschner offer telehealth services or virtual visits?
2 users said yes.
Yes
(2)
No
(0)
Does Dr. Keschner offer an online patient portal?
3 users said yes.
Yes
(3)
No
(0)
Does Dr. Keschner have free onsite parking?
2 users said yes.
Yes
(2)
No
(0)
Does Dr. Keschner offer weekend visits?
1 user said yes.
Yes
(1)
No
(0)
Does Dr. Keschner offer evening visits?
3 users said yes.
Yes
(3)
No
(0)
Does Dr. Keschner specialize in working with children or adolescents?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Keschner specialize in working with seniors?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Keschner specialize in couples therapy?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Keschner specialize in working with LGBTQ+ community?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Keschner accept insurance?
No responses yet.
Yes
(0)
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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, Hemorrhoids and Abdominal Pain. See more on Sharecare.

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

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

Hospital Affiliations

  • Mather Hospital

    75 N Country Rd, Port Jefferson, NY

  • North Shore University Hospital

    300 Community Dr, Manhasset, NY