Dr. Charissa Y. Chang, MD

Dr. Chang practices at Mount Sinai Medical Center in Miami Beach, Florida, part of Mount Sinai Medical Center of Florida.

Dr. Chang's NPI, 1649299686, was assigned on July 19, 2006. Dr. Chang graduated from University of Maryland School of Medicine - Baltimore in 1999. Dr. Chang holds New York license 236171.

Dr. Chang's primary practice is Mount Sinai Medical Center, at 4300 Alton Rd, Miami Beach, FL 33140 in Miami-Dade County. The practice phone is (305) 674-2121. Dr. Chang also practices at Mount Sinai Medical Center, 5 E 98th St, New York, NY 10029.

Dr. Chang's primary practice is Mount Sinai Medical Center in Miami Beach, Florida, part of Mount Sinai Medical Center of Florida. Dr. Chang is also affiliated with The Mount Sinai Hospital. The medical group on file is Mount Sinai Institute for Liver Medicine. Dmand AI also links Dr. Chang to 1 more group practice or clinic, named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices, 3 sites in all. Vendor and product names are available with a free account.

Gastroenterology is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dmand AI has Dr. Chang's licenses on file in 3 states: New York, New Jersey and Virginia.

Dmand AI lists cirrhosis, cirrhosis of the liver, gastrointestinal obstruction, hepatitis c and upper GI endoscopy among the conditions Dr. Chang treats.

CMS data shows 327 Medicare services from Dr. Chang across 6 procedure codes in 2024, for 126 Medicare patients. Medicare paid $19,642 for them.

CMS counts 126 Medicare patients who saw Dr. Chang in 2024. The largest group is 65 to 74, with 64 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 44% are also on Medicaid. Their average risk score is 3.08, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 59, with 44% women.

In 2024, Dr. Chang wrote 2,719 Medicare Part D claims for 190 patients. 80% of them were for generic drugs. CMS names the drug for 2,468 of them, across 41 drugs with 11 or more claims each, at $857,618 in total drug cost. In 2023, CMS named 2,446 claims across 38 drugs.

Dr. Chang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)

Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 24 papers to Dr. Chang, published from 2009 to 2023. 2013 was the busiest year, with 4. The most frequent topics are Liver Neoplasms, Liver Transplantation and Antiviral Agents. Dr. Chang has published most often in Semin Liver Dis. Dr. Chang's most frequent co-authors are Stephen H. Caldwell, Douglas T. Dieterich, MD and Curtis K. Argo, MD.

Dmand AI links Dr. Chang to 1 clinical trial. Conditions studied include Carcinoma, Hepatocellular and Liver Neoplasms.

CMS Open Payments shows 11 general payments to Dr. Chang from 6 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 82% of the total. Gilead Sciences, Inc. paid the most, $2,600.

Dr. Chang graduated from University of Maryland School of Medicine - Baltimore in 1999.

Dr. Chang is in network with 19 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 13. Check the plan with the practice before a visit.