Dr. Jack Cossman, MD

Dr. Cossman practices at Golden State Dermatology Associates, Inc. in Brentwood, California.

Dr. Cossman's NPI, 1912318304, was assigned on May 19, 2014. Dr. Cossman graduated from The Warren Alpert Medical School of Brown University in 2014. Dr. Cossman holds Maine license MD28358.

Dr. Cossman's primary practice is Golden State Dermatology Associates, Inc., at 1200 Central Blvd, Brentwood, CA 94513 in Contra Costa County. The practice phone is (925) 932-7704.

Dr. Cossman's primary practice is Golden State Dermatology Associates, Inc. in Brentwood, California. The medical group on file is Upper West Side Dermatology. Dmand AI also links Dr. Cossman to 3 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. Cossman practices, 3 sites in all. Vendor and product names are available with a free account.

Dermatology is Dr. Cossman's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Cossman is licensed in Maine.

CMS data shows 2,113 Medicare services from Dr. Cossman across 17 procedure codes in 2024, for 471 Medicare patients. Medicare paid $97,350 for them. Every service was in an office.

CMS counts 471 Medicare patients who saw Dr. Cossman in 2024. The largest group is 65 to 74, with 213 patients. 75% of them have high cholesterol, and 56% have high blood pressure. 7% are also on Medicaid. Their average risk score is 1.00, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Cossman's median patient age at 46, with 51% women.

In 2024, Dr. Cossman wrote 395 Medicare Part D claims for 199 patients. 92% of them were for generic drugs. CMS names the drug for 240 of them, across 7 drugs with 11 or more claims each, at $4,980 in total drug cost. In 2023, CMS named 199 claims across 6 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 99 out of 100 for Dr. Cossman for performance year 2024, reported as part of a group. Dr. Cossman accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Cossman as offering telehealth. CMS counts 297 procedures of removal of skin lesions by Dr. Cossman, more than 82% of the clinicians it reports for that procedure.

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

Dmand AI links 9 papers to Dr. Cossman, published from 2013 to 2025. 2016 was the busiest year, with 2. Dr. Cossman's most frequent co-authors are Alison A. Fischer, MD, Petra Margarete Klinge, MD and Clinton S. Morrison, MD.

CMS Open Payments shows 226 general payments to Dr. Cossman from 28 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Janssen Pharmaceuticals, Inc paid the most, $763.

Dr. Cossman graduated from The Warren Alpert Medical School of Brown University in 2014.