Dr. Benjamin Leach, MD

Dr. Leach practices at Sub-Acute Care Center in Mission Hills, California.

Dr. Leach's NPI, 1497026140, was assigned on January 25, 2012. Dr. Leach graduated from Tulane School of Medicine in 2011. Dr. Leach holds California license A122493.

Dr. Leach's primary practice is Sub-Acute Care Center, at 11600a Indian Hills Road, Mission Hills, Ca 91345, Mission Hills, CA 91345 in Los Angeles County. The practice phone is (818) 898-4630. Dr. Leach also practices at Providence Holy Cross Medical Center, 15031 W Rinaldi St, Mission Hills, CA 91345.

Dr. Leach's primary practice is Sub-Acute Care Center in Mission Hills, California. Dr. Leach is also affiliated with Providence Holy Cross Medical Center. The medical group on file is City of Hope. Dmand AI also links Dr. Leach to 3 more hospitals and 1 other site, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Leach practices, 6 sites in all. Vendor and product names are available with a free account.

Hematology and oncology is Dr. Leach's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Leach is board certified in hematology by the American Board of Internal Medicine. Dmand AI has Dr. Leach's licenses on file in 2 states: California and New York.

Dmand AI lists breast cancer, chronic anemia, chronic leukemia, colorectal cancer, immune deficiency disease, lung cancer, lymphoma and multiple myeloma among the conditions Dr. Leach treats.

CMS data shows 80,549 Medicare services from Dr. Leach across 45 procedure codes in 2024, for 494 Medicare patients. Medicare paid $1,379,812 for them.

CMS counts 494 Medicare patients who saw Dr. Leach in 2024. The largest group is 65 to 74, with 211 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 49% are also on Medicaid. Their average risk score is 2.58, 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. Leach's median patient age at 66, with 64% women.

In 2024, Dr. Leach wrote 1,047 Medicare Part D claims for 165 patients. 71% of them were for generic drugs. CMS names the drug for 789 of them, across 30 drugs with 11 or more claims each, at $1,489,274 in total drug cost. In 2023, CMS named 627 claims across 22 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Leach for performance year 2024, reported as part of a group. Dr. Leach accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Leach as offering telehealth.

CMS Open Payments shows 168 general payments to Dr. Leach from 36 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 71% of the total. Sanofi and Genzyme US Companies paid the most, $7,061.

Dr. Leach graduated from Tulane School of Medicine in 2011.

Dr. Leach is in network with 11 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.