John Chang, M.D.,FACP,FACG
Gastroenterology Physician · Tampa, FL
John Chang, M.D.,FACP,FACG is a gastroenterology physician with a practice address in Tampa, Florida, and NPI 1780692517, issued on Aug 4, 2006. Check the license (Florida ME66502, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- John Chang
- Credential
- M.D.,FACP,FACG
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- ME66502 FL
Self-reported in NPPES; status is on the state search - Practice location
- 11912 Sheldon RD, Tampa, FL 33626
- Phone
- (813) 920-8882
- Enumerated
- Aug 4, 2006
- Record last updated
- Sep 28, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (813) 920-8883
- Medicare enrollment
- Enrolled (PECOS I20060307000785); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 11912 Sheldon RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amir Awad, MD, FACG, FACPGastroenterology Physician1336162916
- Taylor Emmerman, APRNFamily Nurse Practitioner1669208245
- Alfredo Mendoza, MDGastroenterology Physician1649273871
- Steven Reyno, APRNNurse Practitioner1770160814
Verify John Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME66502Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% more Medicare Part D claims than the average gastroenterology physician in 2024
1,044 Medicare Part D claims for 327 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Famotidine307 claims
- Pantoprazole Sodium147 claims
- Dicyclomine Hcl112 claims
- Linzess49 claims
- Diphenoxylate-Atropine46 claims
- Mesalamine36 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $612.48
22 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Florida Digestive Health Specialists, LLPTampa, FL
- West Central Gastroenterology LLPLutz, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gastroenterology Physician providers in Florida
There are 1,513 gastroenterology physician records in Florida.
Other gastroenterology physician records in Florida
- Hayden Aaron, M.D.West Palm Beach, FL1144273970
- Kerolos Abadeer, MDOrange Park, FL1376074286
- Ali Abbas, M.D.Wesley Chapel, FL1144667999
- Aamer Abbass, MDFort Myers, FL1689081119
- Abdi Abbassi, M.D.Jacksonville, FL1831183938
- Rami Abboud, MDBrooksville, FL1285900670
- Sherine AbdallaGainesville, FL1366862997
- Abdallah Abdallah, M.DRiverview, FL1841685773
- Jason Abfier, M.D.Fort Myers, FL1124054861
- Prosper Abitbol, DOBoca Raton, FL1033108030
Common questions
What is John Chang, M.D.,FACP,FACG's NPI number?
John Chang, M.D.,FACP,FACG's National Provider Identifier (NPI) is 1780692517, issued on Aug 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Chang, M.D.,FACP,FACG located?
The NPPES record lists a practice address at 11912 Sheldon RD, Tampa, FL, 33626. Phone: (813) 920-8882. Providers update this record themselves, so call before visiting.
How can I verify John Chang, M.D.,FACP,FACG's license?
NPPES lists Florida license number ME66502, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Chang, M.D.,FACP,FACG prescribe under Medicare Part D?
In 2024, John Chang, M.D.,FACP,FACG had 1,044 Medicare Part D claims for 327 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.