Dr. David S. Friedman, MD

Dr. Friedman practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.

Dr. Friedman's NPI, 1669415220, was assigned on June 13, 2006. Dr. Friedman graduated from Harvard Medical School in 1992. Dr. Friedman holds Massachusetts license 2786064.

Dr. Friedman's primary practice is Massachusetts General Hospital, at 55 Fruit Street, Boston, MA 02114 in Suffolk County. The practice phone is (617) 726-2000.

Dr. Friedman's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Friedman is also affiliated with Brigham and Women's Hospital. Dmand AI also links Dr. Friedman to 2 more hospitals, 2 medical groups, 1 community health center and 1 group practice or clinic, each named with a free account.

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

Ophthalmology is Dr. Friedman's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Friedman is licensed in Massachusetts.

CMS data shows 2,669 Medicare services from Dr. Friedman across 16 procedure codes in 2024, for 644 Medicare patients. Medicare paid $117,729 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 644 Medicare patients who saw Dr. Friedman in 2024. The largest group is 65 to 74, with 266 patients. 68% of them have high cholesterol, and 63% have high blood pressure. 17% are also on Medicaid. Their average risk score is 1.07, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Friedman's median patient age at 74, with 57% women.

In 2024, Dr. Friedman wrote 1,948 Medicare Part D claims for 463 patients. 74% of them were for generic drugs. CMS names the drug for 1,854 of them, across 20 drugs with 11 or more claims each, at $142,735 in total drug cost. In 2023, CMS named 1,512 claims across 16 drugs.

Dr. Friedman accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 46 procedures of cataract surgery by Dr. Friedman, more than 62% of the clinicians it reports for that procedure.

Dmand AI links 377 papers to Dr. Friedman, published from 2003 to 2025. 2021 was the busiest year, with 28. The most frequent topics are Intraocular Pressure, Glaucoma and Visual Acuity. Dr. Friedman has published most often in Ophthalmology. Dr. Friedman's most frequent co-authors are Pradeep Y. Ramulu, MD, Nazlee Zebardast, MD and Michael V. Boland, MD.

Dmand AI links Dr. Friedman to 1 clinical trial. Conditions studied include Glaucoma and Ocular Hypertension.

CMS Open Payments shows 17 general payments to Dr. Friedman from 10 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 91% of the total. Bausch Health Americas, Inc. paid the most, $4,614. It also lists 1 research payment totaling $1,000 in 2019.

Dr. Friedman graduated from Harvard Medical School in 1992.