Dr. William Bk Terrin, MD

Dr. Terrin practices at Mount Sinai South Nassau in Oceanside, New York, part of Mount Sinai Health System.

Dr. Terrin's NPI, 1154718476, was assigned on April 24, 2015. Dr. Terrin holds New York license 287158.

Dr. Terrin's primary practice is Mount Sinai South Nassau, at One Healthy Way, Oceanside, NY 11572 in Nassau County. The practice phone is (516) 632-3000. Dr. Terrin also practices at South Nassau Communities Hospital, 1 Healthy Way, Oceanside, NY 11572.

Dr. Terrin's primary practice is Mount Sinai South Nassau in Oceanside, New York, part of Mount Sinai Health System. Dr. Terrin is also affiliated with Montefiore Einstein Hospital-Moses Campus. The medical group on file is Emergency Medicine Physicians (EMP). Dmand AI also links Dr. Terrin to 1 more hospital and 4 medical groups, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Terrin practices, 3 sites in all. Vendor and product names are available with a free account.

Emergency medicine is Dr. Terrin's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Terrin is licensed in New York.

CMS data shows 181 Medicare services from Dr. Terrin across 3 procedure codes in 2024, for 192 Medicare patients. Medicare paid $25,380 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 192 Medicare patients who saw Dr. Terrin in 2024. The largest group is 75 to 84, with 65 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 33% are also on Medicaid. Their average risk score is 2.38, 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. Terrin's median patient age at 59, with 56% women.

In 2024, Dr. Terrin wrote 62 Medicare Part D claims for 55 patients. 97% of them were for generic drugs. CMS names the drug for 15 of them, across 1 drug with 11 or more claims each, at $1,174 in total drug cost. In 2022, CMS named 12 claims across 1 drug.

Dr. Terrin accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

CMS Open Payments shows 2 general payments to Dr. Terrin from 2 drug and device companies from 2017 to 2019. Food and beverage make up the largest share, 100% of the total. Grifols Shared Services North America, Inc. paid the most, $22.