Mark James Walker, FNP-C

Mark Walker practices at Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham.

Mark Walker's NPI, 1003330028, was assigned on August 1, 2017. Mark Walker holds Massachusetts license RN279876.

Mark Walker's primary practice is Brigham and Women's Hospital, at 75 Francis Street, Boston, MA 02115 in Suffolk County. The practice phone is (617) 732-5500.

Mark Walker's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Mark Walker is also affiliated with Dana-Farber Cancer Institute. The medical group on file is Brigham and Women's Hospital. Dmand AI also links Mark Walker to 2 more hospitals, 1 hospital outpatient department and 1 medical group, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Mark Walker practices, 5 sites in all. Vendor and product names are available with a free account.

Family is Mark Walker's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Mark Walker is licensed in Massachusetts.

CMS counts 341 Medicare patients who saw Mark Walker in 2024. The largest group is 75 to 84, with 141 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 21% are also on Medicaid. Their average risk score is 1.82, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Mark Walker's median patient age at 74, with 49% women.

In 2024, Mark Walker wrote 638 Medicare Part D claims for 183 patients. 76% of them were for generic drugs.

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