Dr. Louise Ej Thomson, MD

Dr. Thomson practices at Cedars-Sinai Medical Center in Los Angeles, California, part of Cedars-Sinai Health System.

Dr. Thomson's NPI, 1487780813, was assigned on February 27, 2007. Dr. Thomson graduated from University of Otago School of Medicine in 1991. Dr. Thomson holds California license A91738.

Dr. Thomson's primary practice is Cedars-Sinai Medical Center, at 8700 Beverly Blvd, Los Angeles, CA 90048 in Los Angeles County. The practice phone is (310) 423-5000.

Dr. Thomson's primary practice is Cedars-Sinai Medical Center in Los Angeles, California, part of Cedars-Sinai Health System. Dr. Thomson is also affiliated with Ronald Reagan UCLA Medical Center. The medical group on file is Cedars-Sinai Medical Group. Dmand AI also links Dr. Thomson to 1 more hospital and 1 medical group, each named with a free account.

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

Nuclear medicine is Dr. Thomson's primary specialty in the NPI Registry, under taxonomy code 207U00000X. Dr. Thomson is board certified in nuclear medicine by the American Board of Nuclear Medicine. Dr. Thomson is licensed in California.

CMS data shows 4,250 Medicare services from Dr. Thomson across 31 procedure codes in 2024, for 3,746 Medicare patients. Medicare paid $177,345 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 3,746 Medicare patients who saw Dr. Thomson in 2024. The largest group is 65 to 74, with 1,671 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 25% are also on Medicaid. Their average risk score is 1.79, 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. Thomson's median patient age at 68, with 70% women.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Thomson for performance year 2024, reported as part of a group. Dr. Thomson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Dmand AI links 117 papers to Dr. Thomson, published from 2006 to 2025. 2024 was the busiest year, with 8. The most frequent topics are Coronary Artery Disease, Coronary Angiography and Tomography, Emission-Computed, Single-Photon. Dr. Thomson has published most often in J Nucl Cardiol. Dr. Thomson's most frequent co-authors are Daniel S. Berman, MD, Alan Rozanski, MD and Sean W. Hayes, MD.

Dmand AI links Dr. Thomson to 1 clinical trial.

CMS Open Payments shows 2 general payments to Dr. Thomson from 2 drug and device companies from 2017 to 2023. Food and beverage make up the largest share, 100% of the total. GE Healthcare paid the most, $109.

Dmand AI lists 1 award for Dr. Thomson, most recently Chair in 2015.

Dr. Thomson graduated from University of Otago School of Medicine in 1991. Dr. Thomson is a member of Society of Nuclear Medicine and Molecular Imaging.

Dr. Thomson is in network with 3 carriers, including Excellus BlueCross BlueShield, CMS Medicare and Molina. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.