John Chang, M.D.,FACP,FACG
Gastroenterology Internal Medicine
John Chang is a Gastroenterology Internal Medicine specialist based in Tampa, FL with over 37 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: INTERNAL MEDICINE
John Chang, M.D.,FACP,FACG runs an independent gastroenterologist practice in Tampa, FL. He has been practicing since 2006 — over 37 years. CMS Medicare data shows his patients commonly have hypertension, high cholesterol, and arthritis.
Older · 1699dNPPES updated 2021-09-28 · verify NPI on CMS · Verify license at Florida Board of Medicine
Contact & Location
Practice Location
11912 Sheldon Rd, Tampa, FL 33626-3643
How Does This Doctor Compare?
Medicare Patients
272
Unique beneficiaries
Standard volumePrescription Recipients
381
Patients prescribed
Prescriptions Written
1,093
Total claims
Total Medicare drug cost: $360k
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
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
Elevated cholesterol or triglycerides that increase heart disease risk
Joint inflammation causing pain, swelling, and stiffness
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
Excessive worry or fear that interferes with daily life
A condition where the body cannot properly regulate blood sugar levels
Conditions affecting emotional state, including depression and bipolar disorder
A mood disorder causing persistent sadness and loss of interest in activities
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$612 received from industry
22 transactions reported in 2024 ·Moderate tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to John Chang's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Board certified · Sep 27, 2021
Self-reported via NPPES
37 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
Mailing address
3001 Executive Dr Ste 130, Clearwater, FL 33762-5323
Differs from practice location
Primary hospital affiliation: Acute Care Hospitals
CMS Certification Number: 510012
View hospital on Medicare Care CompareVirtual Internal Medicine Care With John Chang
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with John Chang for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Tampa required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about John Chang
Dr. Chang is listed as active in the NPI registry with telehealth listed in Tampa, FL. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (813) 920-8882.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact John Chang
Practice Location
11912 Sheldon Rd, Tampa, FL 33626-3643
Mailing Address
3001 Executive Dr Ste 130, Clearwater, FL 33762-5323
This is a provider directory. Contact the office directly to schedule appointments.
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