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Dr. Jeffrey Dreznick, MD
Gastroenterology* Age 66
Dr. Jeffrey Dreznick, MD
Map Pin Small Ansonia, CT
Dr. Jeffrey Dreznick, MD is a Gastroenterologist in Ansonia, CT.
Dr. Jeffrey Dreznick, MD

Dr. Jeffrey Dreznick, MD

Gastroenterology* Age 66
Ansonia, CT
Accepting new patients
42 years of experience
Dr. Jeffrey Dreznick, MD is a Gastroenterologist in Ansonia, CT.
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About Dr. Jeffrey Dreznick, MD

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 42 years experience. Dr. Dreznick currently practices at Silverman & Dvoretzky Md's and is affiliated with Griffin Hospital. Dr. Dreznick has experience treating conditions like Small Intestine Cancer, Colorectal Cancer and Duodenitis among other conditions at varying frequencies. 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
Small Intestine Cancer
Colorectal Cancer
Duodenitis
Small Intestine Cancer
Colorectal Cancer
Duodenitis
Small Intestine Cancer
Colorectal Cancer
Duodenitis
Anal or Rectal Pain
Intestinal Diverticulosis
Manometry
Rigid Proctosigmoidoscopy
Flexible Sigmoidoscopy
Chronic Gastritis
Vitamin_Deficiency
Constipation
Metabolic Dysfunction Associated Steatotic Liver Disease (MASLD)
Gastroptosis
Gastroesophageal Reflux Disease (GERD)
Dysphagia
Gastritis
Diaphragmatic and Hiatal Hernia
Reflux Esophagitis
Abdominal Pain
Noninfectious Gastroenteritis and Colitis
Pancreatitis
Hemorrhoids
Diarrhea
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Endoscopy
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Gas-Bloat Syndrome
Duodenal Polypectomy
Heartburn
Gastrointestinal Bleeding
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Vomiting Disorders
Colonoscopy
Nausea
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Colorectal Polyp
Esophagitis
Gallstones
Anemia
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Irritable Bowel Syndrome
Inflammatory Bowel Disease
Cirrhosis
Esophageal Motility Disorders
Liver Damage
Unexplained Weight Loss
Intestinal Ulcer
Barrett's Esophagus
Acute Gastritis
Lactose Intolerance
Diffuse Esophageal Spasm
Abdominal Disorders
Acidosis
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Acne
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Acute Bronchitis
Acute Pharyngitis
Acute Upper Respiratory Infection
Acute Venous Embolism Thrombosis
Alcoholic Cirrhosis
Alcoholic Gastritis
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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Asthma
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Ataxia
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Atherosclerosis
Autoimmune Diseases
Autoimmune Hepatitis
Back Pain
Barretts Esophagus with Dysplasia
Bedsores
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Benign Chronic Pain Syndrome
Benign Neoplasm of the Digestive System
Benign Tumor
Bile Duct Obstruction
Biliary Atresia
Biliary Cirrhosis
Biliary Tract Cancer
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
Cholangitis
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)
Copper Metabolism Disorders
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
Eczema and Contact Dermatitis
Emphysema
Enlarged Prostate (BPH)
Enteritis
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
Gait Abnormality
Gallbladder and Biliary Tract Cancer
Gastresophageal Reflux-Related Chronic Cough
Gastric Ulcer
Gastroenteritis
Gastrointestinal Diseases
Gastrointestinal Malabsorption
Gastrointestinal Malformation
Gastrojejunal Ulcer
Gastroparesis
Gout
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Hair Loss
Heart Disease
Heart Palpitations
Hemochromatosis
Hepatic Fibrosis
Hepatitis
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
Infectious Diarrheal Disease
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
Leukocytosis
Limb Pain
Limb Swelling Caused by Fluid Overload
Lipid Disorders
Liver Cancer
Liver Damage from Alcohol
Liver Diseases and Disorders
Long COVID Disorder
Low Back Pain
Lung Cancer
Lymphoma
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Magnesium Metabolism Disorders
Malabsorption and Malnutrition
Malaise and Fatigue
Mallory-Weiss Syndrome
Malnutrition
Migraine
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Mineral Metabolism Disorders
Multiple Myeloma
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
Pancytopenia
Patellofemoral Pain Syndrome (PFPS)
Pericardial Disease
Pernicious Anemia
Pharyngitis
Phlebitis and Thrombophlebitis
Pinworm
  • View other providers who treat Pinworm
Pollen Allergy
Polymyalgia Rheumatica (PMR)
Polyneuropathy
Polyuria
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Primary Biliary Cholangitis
Primary Sclerosing 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
Secondary Malignancies
Sexually Transmitted Diseases (STDs)
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
Thyroid Goiter
Tinnitus
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Tobacco Use Disorder
Transient Ischemic Attack (TIA)
Tremor
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Ulcer
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Ulcerative Colitis
Upper Digestive Tract Cancer
Urinary Incontinence
Urinary Stones
Urinary Tract Infection (UTI)
Vascular Insufficiency of Intestines
Venous Embolism and Thrombosis
Venous Insufficiency
Vertigo
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Viral Hepatitis
Vitamin B Complex Deficiency
Vitamin B Deficiency
Vitamin B12 Anemia
Vitamin B12 Deficiency
Vitamin D Deficiency
Bravo pH Testing
Colectomy
Colon Cancer Screening
Colonoscopy With Polypectomy
Colorectal Cancer Screening
Diabetes Counseling
Diagnostic Endoscopic Retrograde Cholangiopancreatography
Electrocardiogram (EKG)
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
Sigmoidoscopy
Tube Feeding
Ultrasound, Endoanal
Ultrasound, Esophageal
Upper GI Series
VAP Lipid Testing
Wireless pH Testing

Accepted Insurance Plans

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

Where Dr. Jeffrey Dreznick, MD Sees Patients

  1. 1 Silverman & Dvoretzky Md's
    22 Westfield Ave, 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

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Meet Dr. Jeffrey Dreznick, MD

Specialties*
Ambulatory Medicine
Gastroenterology
Hepatology
Gastrointestinal Oncology
Gastroenterological Surgery
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.
Common Questions and Answers
Responses are sourced directly from patients.
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Does Dr. Dreznick offer an online patient portal?
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Does Dr. Dreznick have free onsite parking?
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Does Dr. Dreznick specialize in working with children or adolescents?
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Does Dr. Dreznick specialize in couples therapy?
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FAQs About Dr. Dreznick's Practice

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: Small Intestine Cancer, Colorectal Cancer and Duodenitis. 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.
Training & Medical Education
Medical Education
  • Icahn School of Medicine at Mount Sinai
    1984
Medical Education
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 Hospital
  • Long Island Jewish Medical Center
    1987
Residency Hospital
Fellowship Hospital
  • Booth Memorial Medical Center
    1989
Fellowship Hospital

Hospitals Where Dr. Jeffrey Dreznick, MD Practices

  • Griffin Hospital

    130 Division St, Derby, CT

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