Dr. James Michael Tatum, MD

Dr. Tatum practices at St. Francis Medical Center in Lynwood, California, part of Prime Healthcare Services.

Dr. Tatum's NPI, 1114204666, was assigned on November 11, 2011. Dr. Tatum graduated from University Of Washington School Of Medicine in 2010. Dr. Tatum holds California license A117856.

Dr. Tatum's primary practice is St. Francis Medical Center, at 3630 East Imperial Highway, Lynwood, CA 90262 in Los Angeles County. The practice phone is (310) 900-8900.

Dr. Tatum's primary practice is St. Francis Medical Center in Lynwood, California, part of Prime Healthcare Services. Dr. Tatum is also affiliated with Long Beach Medical Center. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Tatum to 4 more hospitals, 3 group practices and clinics and 3 medical groups, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tatum practices, 9 sites in all. Vendor and product names are available with a free account.

Surgery is Dr. Tatum's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Tatum is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Tatum's licenses on file in 2 states: California and Nebraska.

Dmand AI lists appendectomy and traumatic coma among the conditions Dr. Tatum treats.

CMS data shows 147 Medicare services from Dr. Tatum across 5 procedure codes in 2024, for 130 Medicare patients. Medicare paid $14,815 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 130 Medicare patients who saw Dr. Tatum in 2026. The largest group is 65 to 74, with 54 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 87% are also on Medicaid. Their average risk score is 3.50, 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. Tatum's median patient age at 50, with 40% women.

In 2021, Dr. Tatum wrote 11 Medicare Part D claims. They cover 1 drug, with $60 in total drug cost. In 2020, CMS named 11 claims across 1 drug.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 98 out of 100 for Dr. Tatum for performance year 2026, reported as part of a group. Dr. Tatum 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)

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

Dmand AI links 5 papers to Dr. Tatum, published from 2016 to 2017. The most frequent topics are Cervical Vertebrae, Trauma Centers and Wounds, Nonpenetrating. Dr. Tatum's most frequent co-authors are Galinos Barmparas, MD, Eric J. Ley, MD and Nikolai Alexander Bildzukewicz, MD.

CMS Open Payments shows 33 general payments to Dr. Tatum from 7 drug and device companies from 2016 to 2025. Education make up the largest share, 48% of the total. Intuitive Surgical, Inc. paid the most, $2,388.

Dmand AI lists 1 award for Dr. Tatum.

Dr. Tatum graduated from University Of Washington School Of Medicine in 2010. Dr. Tatum is a member of ACS.

Dr. Tatum is in network with 15 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.