John Zak, M.D.
Gastroenterology Internal Medicine
John Zak is a Gastroenterology Internal Medicine specialist based in Ormond Beach, FL with over 42 years of clinical experience. Offers virtual telehealth visits.
John Zak, M.D. has practiced internal medicine for 42+ years, working in group practice. He has been practicing since 2006 — over 42 years. He regularly sees Medicare patients with hypertension, high cholesterol, and arthritis (per CMS claims data).
At a glance
- Uses generic medications more than 70% of reporting doctors in Florida
- Virtual visits available — no app or travel required
Older · 996dNPPES updated 2023-09-01 · verify NPI on CMS · Verify license at Florida Board of Medicine
Contact & Location
Practice Location
570 Memorial Cir Ste 110, Ormond Beach, FL 32174-5063
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Arthritis.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+5%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+3%) — a focus area for this doctor
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↑ More patients than average (+14%) — a focus area for this doctor
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↑ More patients than average (+12%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+8%) — a focus area for this doctor
The heart cannot pump blood efficiently enough to meet the body's needs
US avg: 22.5%↑ More patients than average (+14%) — a focus area for this doctor
An irregular, often rapid heartbeat that increases the risk of stroke
US avg: 22%↑ More patients than average (+14%) — a focus area for this doctor
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Board certified · Aug 31, 2023
Self-reported via NPPES
42 years in practice
Senior practitioner
Gastroenterologists diagnose and treat digestive system disorders including GERD, irritable bowel syndrome (IBS), inflammatory bowel disease (Crohn's, ulcerative colitis), liver disease, pancreatitis, and colon polyps. They perform endoscopies and colonoscopies.
Taxonomy: 207RG0100X
Virtual Internal Medicine Care With John Zak
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with John Zak for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Ormond Beach required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.
Frequently Asked Questions
Common questions about John Zak
NPI records show Dr. Zak as active with telehealth listed in Ormond Beach, FL. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (386) 437-5980.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Contact John Zak
Practice Location
570 Memorial Cir Ste 110, Ormond Beach, FL 32174-5063
This is a provider directory. Contact the office directly to schedule appointments.
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