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Dr. Jeffrey Dreznick, MD

Gastroenterology* Age 64
Dr. Jeffrey Dreznick, MD
3.6 (8 Ratings)
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Dr. Jeffrey Dreznick, MD is a Gastroenterologist in Ansonia, CT.
Dr. Jeffrey Dreznick, MD
3.6 (8 Ratings)
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Dr. Jeffrey Dreznick, MD

Gastroenterology* Age 64
Ansonia, CT
Accepting new patients
40 years of experience
Dr. Jeffrey Dreznick, MD is a Gastroenterologist in Ansonia, CT.

About

Dr. Dreznick graduated from Icahn School of Medicine at Mount Sinai in 1984 and completed a residency at Long Island Jewish Medical Center.Dr. Jeffrey Dreznick, MD is a Gastroenterologist in Ansonia, CT and has 40 years experience. Dr. Dreznick currently practices at Practice and are affiliated with Griffin Hospital. Dr. Dreznick has experience treating conditions like Duodenitis, Colorectal Cancer and Small Intestine Cancer among other conditions at varying frequencies. At present, Dr. Dreznick received an average rating of 3.6/5 from patients and has been reviewed 8 times. Dr. Dreznick's office accepts new patients. Dr. Dreznick is board certified in Gastroenterology and accepts multiple insurance plans.

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Experience Check

Enter a condition or procedure
Duodenitis
Colorectal Cancer
Small Intestine Cancer
Duodenitis
Colorectal Cancer
Small Intestine Cancer
Duodenitis
Colorectal Cancer
Small Intestine Cancer
Intestinal Diverticulosis
Abdominal Pain
Acute Gastritis
Anal or Rectal Pain
Anemia
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Barrett's Esophagus
Chronic Gastritis
Cirrhosis
Colorectal Polyp
Constipation
Diaphragmatic and Hiatal Hernia
Diarrhea
  • View other providers who treat Diarrhea
Diffuse Esophageal Spasm
Dysphagia
Enteritis
Esophageal Motility Disorders
Esophagitis
Gallstones
Gas-Bloat Syndrome
Gastritis
Gastroesophageal Reflux Disease (GERD)
Gastrointestinal Bleeding
Gastroptosis
Hemorrhoids
Infectious Diarrheal Disease
Inflammatory Bowel Disease
Intestinal Ulcer
Irritable Bowel Syndrome
Lactose Intolerance
Liver Damage
Nausea
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Non-Alcoholic Fatty Liver Disease
Noninfectious Gastroenteritis and Colitis
Reflux Esophagitis
Tobacco Use Disorder
Unexplained Weight Loss
Urinary Incontinence
Venous Embolism and Thrombosis
Vitamin_Deficiency
Vomiting Disorders
Arterial Blood Gas Test (ABG)
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Duodenal Polypectomy
Electrocardiogram (EKG)
Flexible Sigmoidoscopy
Manometry
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Rigid Proctosigmoidoscopy
Abdominal Disorders
Acidosis
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Acne
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Acute Bronchitis
Acute Pharyngitis
Acute Upper Respiratory Infection
Acute Venous Embolism Thrombosis
Adult Failure to Thrive
Alcoholic Cirrhosis
Alcoholic Hepatic Failure
Alcoholic Hepatitis
All Headaches (incl. Migraine)
Allergic Rhinitis
Anal and Rectal Cancer
Anal Disorders
Animal Allergies
Anxiety
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Arthritis
Arthritis of the Elbow
Ascites
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Asphyxia and Hypoxemia
Asthma
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Ataxia
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Atherosclerosis
Autoimmune Diseases
Back Pain
Bedsores
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Benign Chronic Pain Syndrome
Benign Neoplasm of the Digestive System
Benign Tumor
Bile Duct Obstruction
Biliary Atresia
Biliary Cirrhosis
Bladder Cancer
Bladder Infection
Bleeding Disorders
Blood Disorders
Blood in Urine (Hematuria)
Bowel Strangulation
Bronchitis
Calcium Metabolism Disorders
Cancer
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Carcinoma in Situ
Carpal Tunnel Syndrome
Celiac Disease
Chest Pain
Cholangiocarcinoma
Cholecystitis and Gallstones
Cholelithiasis
Chronic Pain
Chronic Sinusitis
Coagulation Disorders
Colon Cancer
Colon Disorders
Colon Mass
Colon Polyp
Congenital Achalasia
Congenital Anomaly Intestine
COPD (Chronic Obstructive Pulmonary Disease)
Cough
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Crohn's Disease
Dehydration
Diabetes Type 1
Diabetes Type 2
Diabetes With Renal Manifestations
Diabetic Polyneuropathy
Difficulty With Walking
Dizziness
Down Syndrome
Duodenal Cancer
Duodenal Ulcer
Dysentery
Dyslipidemia
E. coli Food Poisoning
Eczema and Contact Dermatitis
Emphysema
Enlarged Prostate (BPH)
Eosinophilic Esophagitis
Esophageal Achalasia and Cardiospasm
Esophageal Cancer
Esophageal Diseases
Esophageal Diverticulum
Esophageal Ulcer
Esophageal Varices
Familial Adenomatous Polyposis
Fever
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Fibromyalgia
Food Allergy
Food Poisoning
Foot Infection
Gait Abnormality
Gallbladder and Biliary Tract Cancer
Gastresophageal Reflux-Related Chronic Cough
Gastric Ulcer
Gastroenteritis
Gastrointestinal Diseases
Gastrointestinal Malabsorption
Gastrointestinal Malformation
Gastroparesis
Gout
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Hair Loss
Heart Disease
Heart Palpitations
Heartburn
Hemochromatosis
Hepatic Fibrosis
Hepatitis
Hepatitis B
Hepatitis B - Immune Response
Hepatitis C
Hepatopulmonary Syndrome
Herpes Simplex Infection
Hiatal Hernia
Hiatal Hernia with Obstruction
Hydrocele
Hypercalcemia
Hyperkalemia
Hyperlipidemia
Hypertension
Hypoglycemia
Hypokalemia
Hypotension
Hypotension (Excluding Maternal)
Hypothyroidism
Hypoxemia
IBS Associated With Inflammatory Bowel Disease
Ileus
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Indigestion
Insomnia
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Intestinal Abscess
Intestinal Diverticulitis
Intestinal Ischemia
Intestinal Malabsorption Carbohydrate
Intestinal Obstruction
Iron Metabolism Disorders
Irritable Bowel Syndrome Characterized by Constipation
Irritable Bowel Syndrome With Alternating Bowel Habit
Ischemic Colitis
Joint Pain
Large Bowel Obstruction
Laryngeal Cancer
Larynx Conditions
Leg and Foot Ulcers
Leukocytopenia
Leukocytosis
Limb Pain
Limb Swelling Caused by Fluid Overload
Lipid Disorders
Liver Cancer
Liver Damage from Alcohol
Liver Diseases and Disorders
Low Back Pain
Lung Cancer
Lymphoma
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Magnesium Metabolism Disorders
Malabsorption and Malnutrition
Malaise and Fatigue
Mallory-Weiss Syndrome
Malnutrition
Megacolon
Migraine
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Mineral Metabolism Disorders
Multiple Myeloma
Muscle Cramping
Muscle Spasm
Myeloma
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Nail Infection
Neoplasm of Gastrointestinal Tract
Nighttime Urination (Nocturia)
Non-Hodgkin's Lymphoma
Non-Neonatal Jaundice
Obesity
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Osteoarthritis
Osteoarthritis of Foot
Osteoarthritis of Hip
Osteoarthritis of Hip and Thigh
Osteoarthritis of Knee
Osteoarthritis of Shoulder
Osteoarthritis of Spine
Osteopenia
Osteoporosis
Otitis Media
Overactive Bladder
Overweight
Pancreatic Disease
Pancreatitis
Pancytopenia
Patellofemoral Pain Syndrome (PFPS)
Pericardial Disease
Pernicious Anemia
Pharyngitis
Phlebitis and Thrombophlebitis
Pinworm
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Pollen Allergy
Polymyalgia Rheumatica (PMR)
Polyneuropathy
Polyuria
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Primary Biliary Cholangitis
Proctoptosis
Prostate Cancer
Pyloric Stenosis
Radiculopathy
Rash
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Raynaud's Disease
Rectal Bleeding
Rectal Cancer
Rectal Prolapse
Rectal Ulcer
Restless Leg Syndrome
Retroperitoneum Cancer
Salmonella Food Poisoning
Sarcoidosis
Sciatica
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Sclerosing Mesenteritis
Sebaceous Cysts
Secondary Malignancies
Sexually Transmitted Diseases (STDs)
Shortness of Breath
Sickle Cell Disease
Sinus Bradycardia
Sinus Tachycardia
Sinusitis
Sleep Apnea
Sleep-Related Leg Cramp
Spleen Cyst
Splenomegaly
Stomach and Small Intestine Cancer
Stomach Bleeding
Stomach Cancer
Stomach Diseases
Stomach Stenosis
Thalassemia
Thrush
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Thyroid Goiter
Tinnitus
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Transient Ischemic Attack (TIA)
Tremor
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Ulcer
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Ulcerative Colitis
Upper Digestive Tract Cancer
Urinary Stones
Urinary Tract Infection (UTI)
Vascular Insufficiency of Intestines
Venous Compression
Venous Insufficiency
Vertigo
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Viral Hepatitis
Vitamin B Deficiency
Vitamin B12 Anemia
Vitamin B12 Deficiency
Vitamin D Deficiency
Bravo pH Testing
Colon Cancer Screening
Colonoscopy
Colonoscopy With Polypectomy
Colorectal Cancer Screening
Diabetes Counseling
Diagnostic Endoscopic Retrograde Cholangiopancreatography
Endoscopy
ERCP (Endoscopic Retrograde Cholangiopancreatography)
Esophageal pH Monitoring
Gallbladder Scan
Gastroenterology Procedures
Gastrotomy
Hepatitis A Screening
Hepatitis B Virus Screening
Hepatitis C Virus Screening
Hepatitis Screening
Hydrogen Breath Test (HBT)
Impedance Testing
Instrumental Diagnostic Evaluation for Dysphagia
Liver Biopsy
Liver Function Test
pH Probe
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Screening Colonoscopy
Tube Feeding
Ultrasound, Endoanal
Ultrasound, Esophageal
Upper GI Series
VAP Lipid Testing
Wireless pH Testing

Insurance Accepted

* Please verify this information when scheduling an appointment.
  • Harvard Pilgrim Health Care PPO
  • Tricare
  • Blue Cross and Blue Shield
  • Gold Pathway X Enhanced Tiered-CT HMO
  • Medicare
  • Curative EPO
    Curative PPO
    Curative PPO Plus
  • HealthyBlue 2.0
  • Oxford Health Plans
  • MultiPlan PPO
  • Aetna
  • Cigna
  • First Health (Coventry Health Care) PPO
  • Medicaid
  • Anthem Blue Cross Blue Shield
  • Golden Rule
  • Humana
  • Connecticare
  • WellCare

Locations

  1. 1 Office
    22 Westfield Ave Ste 2, Ansonia, CT 06401
    Icon Directions Right Arrow Directions Phone Icon (203) 736-9919
  2. 2 Office
    67 Maple Ave, Derby, CT 06418
    Icon Directions Right Arrow Directions Phone Icon (203) 736-9919

Patient Satisfaction

Likelihood to recommend Dr. Dreznick
3.6
Based on 8 Reviews
5 Stars (5)
4 Stars (0)
3 Stars (0)
2 Stars (1)
1 Star (2)

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Patient Reviews
Feb 12, 2022
I can't fathom how anyone could give this doctor a less than 5 star review. Dr. Dreznik is thorough and companionate. His nurse was very helpful as well. At no point do you feel rushed or looked over. I would, and already have, highly recommend him to friends, family, and anyone who needs a good GI doctor for that matter.
Tony Alves — Feb 12, 2022
See more reviews on Healthgrades
Photo: Dr. Jeffrey Dreznick, MD
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Dr. Dreznick's Office & Staff

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About Me

Specialties*
Gastroenterology
Gastrointestinal Oncology
Internal Medicine
Ambulatory Medicine
Gastroenterological Surgery
Hepatology
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
  • Icahn School of Medicine at Mount Sinai
    1984
Medical Education

Board Certifications

Board Certifications
  • Gastroenterology and Internal Medicine
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
  • Long Island Jewish Medical Center
    1987
Residency Hospital

Fellowship

Fellowship Hospital
  • Booth Memorial Medical Center
    1989
Fellowship Hospital
Common Questions and Answers
Responses are sourced directly from patients.
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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. Jeffrey Dreznick, MD. To arrange an appointment, call the number on Dr. Dreznick's profile.

Dr. Dreznick frequently treats the following conditions: Duodenitis, Colorectal Cancer and Small Intestine Cancer. See more on Sharecare.

Dr. Jeffrey Dreznick, MD is affiliated with Griffin Hospital.

Yes, Dr. Jeffrey Dreznick, MD holds board certification in Gastroenterology and Internal Medicine.

Hospital Affiliations

  • Griffin Hospital

    130 Division St, Derby, CT