Michael Andrew Pfeffer, MBBS

Michael Pfeffer practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.

Michael Pfeffer's NPI, 1376074021, was assigned on March 24, 2017. Michael Pfeffer holds Massachusetts license 1014731.

Michael Pfeffer's primary practice is Massachusetts General Hospital, at 55 Fruit Street, Boston, MA 02114 in Suffolk County. The practice phone is (617) 726-2000.

Michael Pfeffer's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Michael Pfeffer is also affiliated with Brigham and Women's Hospital. The medical group on file is Massachusetts General Hospital. Dmand AI also links Michael Pfeffer to 1 more hospital, 1 community health center and 1 medical group, each named with a free account. Michael Pfeffer's employer is on file too: a hospital.

Dmand AI tracks the electronic health record (EHR) system at each site where Michael Pfeffer practices, 4 sites in all. Vendor and product names are available with a free account.

Internal medicine is Michael Pfeffer's primary specialty in the NPI Registry, under taxonomy code 207RH0000X. The record also lists hematology. Michael Pfeffer is licensed in Massachusetts.

CMS data shows 271 Medicare services from Michael Pfeffer across 4 procedure codes in 2024, for 169 Medicare patients. Medicare paid $30,225 for them.

CMS counts 169 Medicare patients who saw Michael Pfeffer in 2024. The largest group is 65 to 74, with 68 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 2.06, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Michael Pfeffer's median patient age at 75, with 53% women.

In 2024, Michael Pfeffer wrote 77 Medicare Part D claims for 34 patients. 38% of them were for generic drugs. CMS names the drug for 60 of them, across 3 drugs with 11 or more claims each, at $36,206 in total drug cost. In 2018, CMS named 19 claims across 1 drug.

Michael Pfeffer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Michael Pfeffer as offering telehealth.

Dmand AI links 38 papers to Michael Pfeffer, published from 2012 to 2025. 2023 was the busiest year, with 8. The most frequent topics are Artificial Intelligence, Electronic Health Records and Academic Medical Centers. Michael Pfeffer has published most often in JAMA Netw Open. Michael Pfeffer's most frequent co-authors are Michael Adam Pfeffer, MD, Steven Yu-Ta Lin, MD and Stephen Parnell Ma, MD.