Dr. Gregory Garabed Simsarian, MD

Dr. Simsarian practices at MemorialCare Saddleback Medical Center in Laguna Hills, California, part of MemorialCare Health System.

Dr. Simsarian's NPI, 1144250713, was assigned on July 3, 2006. Dr. Simsarian graduated from Keck School of Medicine of USC in 1986. Dr. Simsarian holds California license G65647.

Dr. Simsarian's primary practice is MemorialCare Saddleback Medical Center, at 24451 Health Center Drive, Laguna Hills, CA 92653 in Orange County. The practice phone is (949) 837-4500.

Dr. Simsarian's primary practice is MemorialCare Saddleback Medical Center in Laguna Hills, California, part of MemorialCare Health System. The medical group on file is Vituity.

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

Emergency medicine is Dr. Simsarian's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Simsarian is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Simsarian's licenses on file in 2 states: California and Michigan.

CMS data shows 442 Medicare services from Dr. Simsarian across 3 procedure codes in 2024, for 427 Medicare patients. Medicare paid $56,435 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 427 Medicare patients who saw Dr. Simsarian in 2024. The largest group is 75 to 84, with 156 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 22% are also on Medicaid. Their average risk score is 2.28, 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. Simsarian's median patient age at 69, with 53% women.

In 2024, Dr. Simsarian wrote 218 Medicare Part D claims for 172 patients. 92% of them were for generic drugs. CMS names the drug for 72 of them, across 4 drugs with 11 or more claims each, at $280 in total drug cost. In 2023, CMS named 30 claims across 1 drug.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Simsarian for performance year 2024, reported as part of a group. Dr. Simsarian accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

CMS Open Payments shows 4 general payments to Dr. Simsarian from 4 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Edwards Lifesciences Corporation paid the most, $107.

Dmand AI lists 1 award for Dr. Simsarian. Dr. Simsarian serves on Medical Case Review Dept of Medicine.

Dr. Simsarian graduated from Keck School of Medicine of USC in 1986. Dr. Simsarian is a member of ACEP and Society of Academic Emergency Medicine.

Dr. Simsarian is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.