Dr. Joel B. Loewenstein, MD

Dr. Loewenstein practices at Vantage Medical Associates in Brooklyn, New York.

Dr. Loewenstein's NPI, 1174501795, was assigned on January 4, 2006. Dr. Loewenstein holds New York license 119507.

Dr. Loewenstein's primary practice is Vantage Medical Associates, at 3000 Ocean Pkwy, Brooklyn, NY 11235 in Kings County. The practice phone is (718) 970-8700.

Dr. Loewenstein's primary practice is Vantage Medical Associates in Brooklyn, New York. The medical group on file is Mount Sinai Doctors Long Island. Dmand AI also links Dr. Loewenstein to 3 more medical groups, 1 physician office 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. Loewenstein practices, 2 sites in all. Vendor and product names are available with a free account.

Gastroenterology is Dr. Loewenstein's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Loewenstein is licensed in New York.

CMS data shows 334 Medicare services from Dr. Loewenstein across 5 procedure codes in 2024, all of them office visits, for 172 Medicare patients. Medicare paid $36,126 for them. Every service was in an office.

CMS counts 172 Medicare patients who saw Dr. Loewenstein in 2024. The largest group is 65 to 74, with 68 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 30% are also on Medicaid. Their average risk score is 1.72, 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. Loewenstein's median patient age at 65, with 53% women.

In 2024, Dr. Loewenstein wrote 608 Medicare Part D claims for 146 patients. 88% of them were for generic drugs. CMS names the drug for 519 of them, across 9 drugs with 11 or more claims each, at $30,087 in total drug cost. In 2023, CMS named 354 claims across 8 drugs.

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

Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)

Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)

CMS Open Payments shows 13 general payments to Dr. Loewenstein from 10 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $45.