Dr. Deren Mark Sinkowitz, MD

Dr. Sinkowitz practices at Torrance Memorial Physician Network in Torrance, California.

Dr. Sinkowitz's NPI, 1619957750, was assigned on January 17, 2006. Dr. Sinkowitz graduated from New York Medical College in 1983. Dr. Sinkowitz holds California license 107553.

Dr. Sinkowitz's primary practice is Torrance Memorial Physician Network, at 2841 Lomita Blvd, Torrance, CA 90505 in Los Angeles County. The practice phone is (310) 784-6300.

Dr. Sinkowitz's primary practice is Torrance Memorial Physician Network in Torrance, California. Dr. Sinkowitz is also affiliated with Torrance Memorial Medical Center. The medical group on file is Torrance Memorial Physician Network. Dmand AI also links Dr. Sinkowitz to 4 more 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. Sinkowitz practices, 5 sites in all. Vendor and product names are available with a free account.

Pulmonary disease is Dr. Sinkowitz's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Sinkowitz is board certified in critical care medicine by the American Board of Internal Medicine. Dr. Sinkowitz is licensed in California.

Dmand AI lists asthma, chronic lung disease, chronic obstructive pulmonary disease (COPD), chronic respiratory failure, chronic sinusitis, pleural effusion, pneumonia and pulmonary fibrosis among the conditions Dr. Sinkowitz treats.

CMS data shows 1,979 Medicare services from Dr. Sinkowitz across 6 procedure codes in 2024, for 608 Medicare patients. Medicare paid $229,777 for them.

CMS counts 608 Medicare patients who saw Dr. Sinkowitz in 2024. The largest group is 75 to 84, with 259 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 26% are also on Medicaid. Their average risk score is 2.42, 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. Sinkowitz's median patient age at 73, with 55% women.

In 2024, Dr. Sinkowitz wrote 1,552 Medicare Part D claims for 313 patients. 36% of them were for generic drugs. CMS names the drug for 1,395 of them, across 19 drugs with 11 or more claims each, at $576,967 in total drug cost. In 2023, CMS named 1,286 claims across 23 drugs.

Dr. Sinkowitz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Sinkowitz as offering telehealth.

CMS Open Payments shows 206 general payments to Dr. Sinkowitz from 33 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 97% of the total. GlaxoSmithKline, LLC. paid the most, $1,667.

Dmand AI lists 3 awards for Dr. Sinkowitz, most recently Top Doctors:LA Area in 2013.

Dr. Sinkowitz graduated from New York Medical College in 1983. Dr. Sinkowitz is a member of ACP.

Dr. Sinkowitz is in network with 11 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.