Dr. David S. Greenstein, MD

Dr. Greenstein practices at Northeast Dermatology Associates in Beverly, Massachusetts.

Dr. Greenstein's NPI, 1205931789, was assigned on September 13, 2006. Dr. Greenstein graduated from Perelman School of Med at the University of Pennsylvania in 1991. Dr. Greenstein holds Massachusetts license 81143.

Dr. Greenstein's primary practice is Northeast Dermatology Associates, at 138 Conant St, Beverly, MA 01915. The practice phone is (978) 791-2727.

Dr. Greenstein's primary practice is Northeast Dermatology Associates in Beverly, Massachusetts. Dr. Greenstein is also affiliated with Beverly Hospital. The medical group on file is Northeast Dermatology Associates. Dmand AI also links Dr. Greenstein to 1 more hospital, 1 group practice or clinic and 1 medical group, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Greenstein practices, 4 sites in all. Vendor and product names are available with a free account.

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

CMS data shows 11,809 Medicare services from Dr. Greenstein across 39 procedure codes in 2024, for 2,486 Medicare patients. Medicare paid $494,951 for them. Every service was in an office.

CMS counts 2,486 Medicare patients who saw Dr. Greenstein in 2024. The largest group is 75 to 84, with 1,047 patients. 74% of them have high cholesterol, and 67% have high blood pressure. 7% are also on Medicaid. Their average risk score is 1.01, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Greenstein's median patient age at 68, with 54% women.

In 2024, Dr. Greenstein wrote 2,336 Medicare Part D claims for 935 patients. 79% of them were for generic drugs. CMS names the drug for 2,148 of them, across 46 drugs with 11 or more claims each, at $2,057,768 in total drug cost. In 2023, CMS named 2,080 claims across 45 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Greenstein for performance year 2024, reported as part of a group. Dr. Greenstein accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 2,680 procedures of removal of skin lesions by Dr. Greenstein, more than 99% 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 Dr. Greenstein to 5 clinical trials. Conditions studied include Alopecia Areata, Eczema and Hidradenitis Suppurativa. Eli Lilly and Company sponsors the most, 4. Open Payments lists research payments to Dr. Greenstein that name 5 trials.

CMS Open Payments shows 2,174 general payments to Dr. Greenstein from 45 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 67% of the total. Eli Lilly and Company paid the most, $198,860. It also lists 28 research payments totaling $71,245 from 2016 to 2023, naming 5 clinical trials.

Dr. Greenstein graduated from Perelman School of Med at the University of Pennsylvania in 1991.