JZ
35 Years of Experience
Accepting patients
Who is Dr. Zak, Gastroenterologist in Ormond Beach, FL?
Dr. John Zak, MD is a Gastroenterologist, who primarily practices in Ormond Beach, FL with 1 additional practice location. He has been practicing for over 35 years and is board certified. Dr. Zak graduated from Ross University School Of Medicine and completed his residency at U S DEPARTMENT OF VETERANS AFFAIRS. Dr. Zak is fluent in English, French, and Spanish, and is currently seeing new patients. Dr. Zak’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Zak’s office at (386) 437-5980.
What are Areas of Expertise for Dr. Zak?
Dr. John Zak, MD is a highly-rated, board-certified Gastroenterologist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Zak empowers patients to confidently navigate their health journey, specializing in Liver Disease, or comprehensive wellness support. Serving the Ormond Beach/FL community, Dr. Zak is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Zak go to medical school and complete their residency?
Residency: U S DEPARTMENT OF VETERANS AFFAIRS
Medical School: Ross University School Of Medicine | All Saints University School of Medicine
What languages does Dr. Zak speak?
Dr. Zak and their clinical team can communicate with patients in the following languages:
English
French
Spanish
What conditions does Dr. Zak treat?
As a Gastroenterologist, Dr. Zak diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Zak. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Stomach Inflammation
- Stomach Disorder
- Gastritis & Gastropathy
- Gastritis
- Inflamed stomach lining
- Stomach lining inflammation
ICD-10 Codes:
- K2970: Gastritis, unspecified, without bleeding
Also known as:
- Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Painful swallowing
ICD-10 Codes:
- R1310: Dysphagia, unspecified
Also known as:
- Large Intestine Diverticulosis
- Diverticulosis and Diverticulitis
- Diverticular Disease
- Colon Diverticula
- Pockets in the Colon
ICD-10 Codes:
- K5730: Diverticulosis of large intestine without perforation or abscess without bleeding
Also known as:
- Heartburn
- Acid Reflux
- Indigestion
- GERD Symptoms
ICD-10 Codes:
- R12: Heartburn
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal polyps
- Bowel polyps
- Intestinal polyps
ICD-10 Codes:
- K635: Polyp of colon
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
ICD-10 Codes:
- Z86010: Personal history of colon polyps
Also known as:
- Colon Cancer Screening
- Health Screening
- Colorectal Cancer Screening (PDQ®)
- Screening Tests to Detect Colorectal Cancer and Polyps
- Tests to Detect Colorectal Cancer and Polyps
- Colorectal Cancer Screening
- Colonoscopy Screening
- Bowel Cancer Screening
ICD-10 Codes:
- Z1211: Encounter for screening for malignant neoplasm of colon
What procedures does Dr. Zak perform?
As a Gastroenterologist, Dr. Zak performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Zak. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy with Polyp Removal
- Colonoscopy with Biopsy
- Colonoscopy with Polyp/Tumor Removal
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Flexible Colonoscopy with Biopsy
- Colorectal Polyp Removal
- Hot Biopsy Colonoscopy
- Flexible colonoscopy with ablation
- Colon polyp removal
- Colon tumor destruction
- Therapeutic colonoscopy
CPT Codes:
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
- 45384: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by hot biopsy forceps
- 45388: Colonoscopy, flexible; with ablation of tumor(s), polyp(s), or other lesion(s) (includes pre- and post-dilation and guide wire passage, when performed)
Also known as:
- Upper Endoscopy with Biopsy
- Biopsy
- Endoscopy
- EGD with Biopsy
- Gastroscopy with Biopsy
- Esophagogastroduodenoscopy with Biopsy
CPT Codes:
- 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple
Also known as:
- Diagnostic Upper Endoscopy with Biopsy
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
CPT Codes:
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- Feeding Tube Placement with Endoscopy
- PEG Tube Placement
- Gastrostomy Tube Insertion
- EGD with Feeding Tube
- Percutaneous Endoscopic Gastrostomy
CPT Codes:
- 43246: Esophagogastroduodenoscopy, flexible, transoral; with directed placement of percutaneous gastrostomy tube
Does Dr. Zak accept my insurance?
Dr. Zak accepts most major insurance plans. Important: Please call our office at (386) 437-5980 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Zak accept in Ormond Beach, FL?
Dr. Zak in Ormond Beach, FL accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Carpenters Funds Administrative Office (CA)
CVS Health (formerly Aetna)
Department of Veterans Affairs
Express Scripts
Florida Blue / Guidewell
Humana
Medicare
Oscar Health Insurance Co
State of Tennessee
UnitedHealthcare
View All Insurances
Where is Dr. Zak's office located?
Dr. John Zak's Primary Practice
570 Memorial Cir Ste 110
Ormond Beach, FL 32174
(386) 437-5980
What is Dr. Zak's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Zak's National Provider Identifier (NPI) number is 1548210594.
What common questions do patients ask about Dr. Zak?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Zak
What is Dr. John Zak's specialty?
Dr. Zak is a Gastroenterologist near Ormond Beach, FL. An internist focused on diagnosing and treating disorders of the digestive system, encompassing the stomach, intestines, liver, and gallbladder. This specialist manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice, and performs intricate diagnostic and therapeutic procedures using endoscopes to examine internal organs. Contact Dr. Zak to book an appointment today.
Is this Dr. John Zak affiliated with a ranked Castle Connolly Top Hospital?
No, Zak is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Adventhealth Palm Coast. Castle Connolly Top Hospitals are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Gastroenterologist?
Explore Gastroenterologist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is John Zak accepting new patients in Ormond Beach, FL?
Yes, Dr. John Zak is accepting new patients at this time.
Does Dr. John Zak offer online booking?
Please contact Dr. Zak's office at (386) 437-5980 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with John Zak?
Please contact Dr. Zak's office at (386) 437-5980 for information regarding telehealth appointment availability or for scheduling assistance.
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