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Dr. John Zak III, MD

Gastroenterology* Age 71
Dr. John Zak III, MD
2.4 (16 Ratings)

Offers telehealth

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Dr. John Zak III, MD is a Gastroenterologist in Palm Coast, FL.
Dr. John Zak III, MD
2.4 (16 Ratings)
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Dr. John Zak III, MD

Gastroenterology* Age 71
Palm Coast, FL
Call for new patient details
40 years of experience

Offers telehealth

Dr. John Zak III, MD is a Gastroenterologist in Palm Coast, FL.

About

Dr. Zak III graduated from Ross University School of Medicine. Dr. John Zak III, MD is a Gastroenterologist in Palm Coast, FL and has 40 years experience. Dr. Zak III currently practices at Practice and are affiliated with AdventHealth Palm Coast and AdventHealth Daytona Beach. Dr. Zak III has experience treating conditions like Gastrointestinal Bleeding, Gastritis and Constipation among other conditions at varying frequencies. At present, Dr. Zak III received an average rating of 2.4/5 from patients and has been reviewed 16 times. Dr. Zak III's office is not accepting new patients. Dr. Zak III also speaks Dutch. Dr. Zak III is board certified in Internal Medicine and accepts multiple insurance plans.

Offers Telehealth

This provider offers telehealth appointments. Call the office to schedule.

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These providers are on the medical staff of AdventHealth
These providers are on the medical staff of AdventHealth.
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Experience Check

Enter a condition or procedure
Gastrointestinal Bleeding
Gastritis
Constipation
Gastrointestinal Bleeding
Gastritis
Constipation
Gastrointestinal Bleeding
Gastritis
Constipation
Abdominal Pain
Acute Gastritis
Anemia
  • View other providers who treat Anemia
Ascites
  • View other providers who treat Ascites
Barrett's Esophagus
Biliary Cirrhosis
Chronic Gastritis
Cirrhosis
Colorectal Polyp
Dehydration
Diaphragmatic and Hiatal Hernia
Diarrhea
  • View other providers who treat Diarrhea
Duodenal Ulcer
Duodenitis
Dysphagia
Esophageal Motility Disorders
Esophageal Varices
Esophagitis
Gallstones
Gas-Bloat Syndrome
Gastric Ulcer
Gastroesophageal Reflux Disease (GERD)
Gastroptosis
Heartburn
Hemorrhoids
Inflammatory Bowel Disease
Intestinal Diverticulosis
Intestinal Ulcer
Liver Damage from Alcohol
Malnutrition
Nausea
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Non-Alcoholic Fatty Liver Disease
Noninfectious Gastroenteritis and Colitis
Pancreatitis
Reflux Esophagitis
Ulcerative Colitis
Unexplained Weight Loss
Vitamin_Deficiency
Vomiting Disorders
Duodenal Polypectomy
Flexible Sigmoidoscopy
Manometry
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Rigid Proctosigmoidoscopy
Acidosis
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Acute Bronchitis
Acute Deep Vein Thrombosis (DVT)
Acute Epiglottitis
Acute Kidney Infection
Acute Pharyngitis
Acute Sinusitis
Acute Venous Embolism Thrombosis
Alcoholic Cirrhosis
Alcoholic Gastritis
Alcoholic Hepatic Failure
Alcoholic Hepatitis
Alkalosis
All Headaches (incl. Migraine)
Allergic Conjunctivitis
Allergic Rhinitis
Anal or Rectal Pain
Animal Allergies
Anxiety
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Arthritis
Arthritis of the Elbow
Asthma
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Ataxia
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Atherosclerosis
Back Pain
Bedsores
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Benign Chronic Pain Syndrome
Bile Duct Obstruction
Blood in Urine (Hematuria)
Bowel Strangulation
Bronchiectasis
Bronchitis
Bruise of Face, Scalp, or Neck
Calcium Metabolism Disorders
Celiac Disease
Cellulitis
Chest Pain
Cholangitis
Chronic Cholecystitis
Chronic Depression (Dysthymia)
Chronic Neck Pain
Chronic Pain
Chronic Sinusitis
Confusion
Congenital Anomaly Esophagus
Congenital Anomaly Intestine
COPD (Chronic Obstructive Pulmonary Disease)
Cough
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Crohn's Disease
Cyclical Vomiting
Cystic Fibrosis
Deep Vein Thrombosis (DVT)
Dermatitis Due to Drugs
Dermatitis Due to Substances Taken Internally
Diabetes Type 1
Diabetes Type 2
Diabetes With Renal Manifestations
Diabetic Polyneuropathy
Difficulty With Walking
Diffuse Esophageal Spasm
Dizziness
Duodenal Cancer
Dysentery
Dyslipidemia
E. coli Food Poisoning
Emphysema
Enlarged Prostate (BPH)
Enteritis
Eosinophilic Esophagitis
Eosinophilic Gastritis
Esophageal Achalasia and Cardiospasm
Esophageal Diverticulum
Esophageal Ulcer
Essential Tremor
Familial Adenomatous Polyposis
Familial Hypercholesterolemia
Fever
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Fibromyalgia
Gait Abnormality
Gastrointestinal Diseases
Gastrointestinal Malabsorption
Gastroparesis
Gout
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Headache
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Heart Disease
Hemochromatosis
Hepatitis
Hepatitis A
Hepatitis B
Hepatitis C
Hernia
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Herpes Simplex Infection
Herpes Zoster Without Complication
Hypercalcemia
Hyperkalemia
Hyperlipidemia
Hypertension
Hypoglycemia
Hypokalemia
Hypotension
Hypotension (Excluding Maternal)
Hypothyroidism
Hypoxemia
Ileus
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Indigestion
Infectious Diarrheal Disease
Insomnia
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Intertrigo
Intestinal Diverticulitis
Intestinal Obstruction
Intestinal Prolapse
Iron Metabolism Disorders
Irritable Bowel Syndrome
Itchy Skin
Jock Itch
Joint Pain
Kidney Infection
Lactose Intolerance
Leg and Foot Ulcers
Limb Pain
Limb Swelling Caused by Fluid Overload
Lipid Disorders
Liver Abscess
Low Back Pain
Magnesium Metabolism Disorders
Malaise and Fatigue
Mallory-Weiss Syndrome
Megacolon
Migraine
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Mineral Metabolism Disorders
Mood Disorders (Dysthymia and Cyclothymia)
Muscle Spasm
Muscle Weakness
Nail and Nail Bed Infection
Neoplasm of Gastrointestinal Tract
Neurogenic Bladder
Neurogenic Bowel
Nighttime Urination (Nocturia)
Nosebleed
Obesity
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Osteoarthritis
Osteoarthritis of Foot
Osteoarthritis of Knee
Osteoarthritis of Shoulder
Osteoarthritis of Spine
Osteopenia
Osteoporosis
Overactive Bladder
Overweight
Painful Urination (Dysuria)
Pancreatic Pseudocyst
Patellofemoral Pain Syndrome (PFPS)
Peptic Ulcer
Pharyngitis
Phlebitis and Thrombophlebitis
Phosphorus Metabolism Disorders
Pinkeye (Conjunctivitis)
Pneumonia
Polymyalgia Rheumatica (PMR)
Polyneuropathy
Polyuria
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Postnasal Drip
Proctoptosis
Proteinuria
Purpura
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Pyloric Stenosis
Pylorospasm
Radiculopathy
Rash
  • View other providers who treat Rash
Rectal Prolapse
Rectal Ulcer
Restless Leg Syndrome
Retroperitoneum Cancer
Ringworm
  • View other providers who treat Ringworm
Salivary Gland Stones and Inflammation
Sarcoidosis
Sciatica
  • View other providers who treat Sciatica
Seborrheic Dermatitis
Secondary Diabetes Mellitus
Sexually Transmitted Diseases (STDs)
Shingles
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Shortness of Breath
Sickle Cell Disease
Sinus Bradycardia
Sinus Tachycardia
Sinusitis
Sleep Apnea
Splenic Infarct
Splenomegaly
Stomal Ulcer
Thiamin Deficiency
Thyroid Goiter
Tobacco Use Disorder
Toxic Megacolon
Tremor
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Upper Digestive Tract Cancer
Urinary Incontinence
Urinary Stones
Urinary Tract Infection (UTI)
Vaginitis or Vaginosis
Venous Embolism and Thrombosis
Venous Insufficiency
Vertigo
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Viral Enteritis
Viral Hepatitis
Viral Infection
Vitamin B Deficiency
Vitamin B12 Anemia
Vitamin B12 Deficiency
Vitamin D Deficiency
Wheezing
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Yeast Infections
Bile Duct Procedure
Biliary Drainage
Care Coordination for Complex Conditions and Procedures
Colonoscopy
Electrocardiogram (EKG)
ERCP (Endoscopic Retrograde Cholangiopancreatography)
Fecal Occult Blood Test for Colorectal Cancer
Immunization Administration
Liver Biopsy

Insurance Accepted

* Please verify this information when scheduling an appointment.
  • Superior Health Plan
  • Blue Preferred Patient Care PPO
  • First Health (Coventry Health Care) PPO
  • Open Access Plus
    Cigna PPO
  • Choice Large Group POS
  • Navigate HMO
    Navigate POS
    Choice Plus POS
    Medica Choice
    Options PPO
    Nexus Open Access
  • Select HMO
    Preferred PPO
    Choice Care Network PPO
    National POS
    HMO Premier HMO
    Choice Care PPO
    Choice POS
  • Aetna
    Choice Plus POS II
    Premier Care Network Plus - Innovation Health
    Elect Choice (Open Access) EPO
    Open Choice PPO
    Managed Choice (Open Access) POS
  • Blue Choice HMO
  • Preferred Patient Care
  • Curative PPO
    Curative EPO
    Curative PPO Plus
  • BlueOptions HMO
  • Blue Card High Performance Network HPN
    Blue Card PPO

Locations

  1. 1 Office
    21 Hospital Dr Ste 250, Palm Coast, FL 32164
    Icon Directions Right Arrow Directions Phone Icon (386) 671-9029
  2. 2 Danny M. Farmer MD PA
    570 Memorial Cir Ste 110, Ormond Beach, FL 32174
    Icon Directions Right Arrow Directions Phone Icon (386) 437-5980
  3. 3 Howard L. Offenberg MD PL.
    325 Clyde Morris Blvd Ste 350, Ormond Beach, FL 32174
    Icon Directions Right Arrow Directions Phone Icon (386) 437-5980
  4. 4 AdventHealth Lab
    301 Memorial Medical Pkwy, Daytona Beach, FL 32117
    Icon Directions Right Arrow Directions Phone Icon (386) 231-3470
  5. 5 Physicians Ambulatory Surgery Center
    300 Clyde Morris Blvd Ste B, Ormond Beach, FL 32174
    Icon Directions Right Arrow Directions Phone Icon (386) 672-1080

Patient Satisfaction

Likelihood to recommend Dr. Zak III
2.4
Based on 16 Reviews
5 Stars (4)
4 Stars (2)
3 Stars (0)
2 Stars (0)
1 Star (10)

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Patient Reviews
Mar 10, 2019
After a colonoscopy, Dr. Zak explained all the findings to me and helped me to feel better.
— Mar 10, 2019
See more reviews on Healthgrades
Photo: Dr. John Zak III, MD
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Dr. Zak III's Office & Staff

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  • How well provider listens and answers questions
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Telehealth Options
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Call now to make an appointment
(386) 671-9029

About Me

Languages Spoken
Dutch
Languages Spoken
Specialties*
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.
Education

Education

Medical Education
  • Ross University School of Medicine
    1984
Medical Education

Board Certifications

Board Certifications
  • 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.
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Zak III communicate via email?
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Does Dr. Zak III offer telehealth services or virtual visits?
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Does Dr. Zak III offer an online patient portal?
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Does Dr. Zak III have free onsite parking?
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Does Dr. Zak III offer weekend visits?
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Does Dr. Zak III specialize in working with children or adolescents?
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Does Dr. Zak III 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. John Zak III, MD. To arrange an appointment, call the number on Dr. Zak III's profile.

Dr. Zak III frequently treats the following conditions: Gastrointestinal Bleeding, Gastritis and Constipation. See more on Sharecare.

Dr. John Zak III, MD is affiliated with AdventHealth Palm Coast and AdventHealth Daytona Beach.

Yes, Dr. John Zak III, MD holds board certification in Internal Medicine.

Hospital Affiliations

  • AdventHealth Palm Coast

    60 Memorial Medical Pkwy, Palm Coast, FL

  • AdventHealth Daytona Beach

    301 Memorial Medical Pkwy, Daytona Beach, FL