Dr. Marc Edward Walker, MBA, MD

Dr. Walker practices at University of Mississippi Medical Center in Jackson, Mississippi, part of Mississippi Institutions of Higher Learning.

Dr. Walker's NPI, 1245598325, was assigned on April 26, 2012. Dr. Walker graduated from Harvard Medical School in 2011. Dr. Walker holds Mississippi license 26701.

Dr. Walker's primary practice is University of Mississippi Medical Center, at 2500 N State St, Jackson, MS 39216 in Hinds County. The practice phone is (601) 984-4100.

Dr. Walker's primary practice is University of Mississippi Medical Center in Jackson, Mississippi, part of Mississippi Institutions of Higher Learning. Dr. Walker is also affiliated with UMMC Madison. The medical group on file is University of Mississippi Medical Center. Dmand AI also links Dr. Walker to 1 more behavioral health center, named with a free account. Dr. Walker's employer is on file too: a hospital.

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

Plastic surgery is Dr. Walker's primary specialty in the NPI Registry, under taxonomy code 208200000X. Dr. Walker is licensed in Mississippi.

CMS data shows 134 Medicare services from Dr. Walker across 8 procedure codes in 2024, for 90 Medicare patients. Medicare paid $12,605 for them.

CMS counts 90 Medicare patients who saw Dr. Walker in 2024. The largest group is 65 to 74, with 48 patients. 75% of them have high blood pressure, and 63% have high cholesterol. 16% are also on Medicaid. Their average risk score is 1.12, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Walker's median patient age at 44, with 52% women.

In 2024, Dr. Walker wrote 41 Medicare Part D claims for 20 patients. 95% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $49 in total drug cost. In 2023, CMS named 14 claims across 1 drug.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Walker for performance year 2024, reported as part of a group. Dr. Walker accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

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

Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)

Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)

Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Upper limb (arm) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 22 papers to Dr. Walker, published from 2020 to 2025. 2024 was the busiest year, with 9. The most frequent topics are Carpal Tunnel Syndrome, Ultrasonography and Ultrasonography, Interventional. Dr. Walker has published most often in J Hand Surg Glob Online. Dr. Walker's most frequent co-authors are John Magruder Sullivan, MD, Katherine Christine Benedict, MD and Christopher John Dy, MD.

CMS Open Payments shows 251 general payments to Dr. Walker from 25 drug and device companies from 2021 to 2025. Speaker and faculty fees make up the largest share, 54% of the total. Endo USA, Inc. paid the most, $116,161.

Dr. Walker graduated from Harvard Medical School in 2011.