Dr. Bernard P. Chang, MD, PhD

Dr. Chang practices at Columbia University Irving Medical Center in New York, New York.

Dr. Chang's NPI, 1922279520, was assigned on March 22, 2008. Dr. Chang graduated from Stanford University School Of Medicine in 2008. Dr. Chang holds New York license 264007-1.

Dr. Chang's primary practice is Columbia University Irving Medical Center, at 622 W 168th St, New York, NY 10032 in New York County. The practice phone is (212) 297-4255.

Dr. Chang's primary practice is Columbia University Irving Medical Center in New York, New York. Dr. Chang is also affiliated with NewYork-Presbyterian/Weill Cornell Medical Center. The medical group on file is ColumbiaDoctors.

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

Emergency medicine is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Chang is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Chang's licenses on file in 3 states: New York, New Jersey and Massachusetts.

CMS data shows 30 Medicare services from Dr. Chang across 2 procedure codes in 2024, for 53 Medicare patients. Medicare paid $5,140 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 53 Medicare patients who saw Dr. Chang in 2024. The largest group is 65 to 74, with 19 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 42% are also on Medicaid. Their average risk score is 2.49, 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 53, with 78% women.

In 2024, Dr. Chang wrote 19 Medicare Part D claims for 14 patients. 100% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $33 in total drug cost.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Chang for performance year 2024, reported through an alternative payment model (APM). Dr. Chang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chang as offering telehealth.

Dmand AI links 126 papers to Dr. Chang, published from 2015 to 2025. 2020 was the busiest year, with 29. The most frequent topics are Emergency Service, Hospital, COVID-19 and Acute Coronary Syndrome. Dr. Chang has published most often in Am J Emerg Med. Dr. Chang's most frequent co-authors are Ian M. Kronish, MD, Joshua Zebadiah Willey, MD and Mitchell S. Elkind, MD.

Dmand AI links Dr. Chang to 1 clinical trial. Conditions studied include Opioid-Related Disorders and Narcotic-Related Disorders.

CMS Open Payments shows 1 general payment to Dr. Chang from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. TearLab Corp paid the most, $23.

Dmand AI lists 9 awards for Dr. Chang, most recently Established Investigator Award in 2020.

Dr. Chang graduated from Stanford University School Of Medicine in 2008. Dr. Chang is a member of ACEP, AHA and SAEM.

Dr. Chang is in network with 4 carriers, including MVP Health Care, CMS Medicare and NY State Medicaid. Medicaid plans come from the most carriers, 2. Check the plan with the practice before a visit.