Dr. Gerald A. Isenberg, MD

Dr. Isenberg practices at Thomas Jefferson University Hospital in Philadelphia, Pennsylvania, part of Thomas Jefferson University.

Dr. Isenberg's NPI, 1821018532, was assigned on July 19, 2006. Dr. Isenberg graduated from Icahn School Of Medicine At Mount Sinai in 1982. Dr. Isenberg holds Pennsylvania license MD037695E.

Dr. Isenberg's primary practice is Thomas Jefferson University Hospital, at 111 South 11th Street, Philadelphia, PA 19107 in Philadelphia County. The practice phone is (215) 955-6000.

Dr. Isenberg's primary practice is Thomas Jefferson University Hospital in Philadelphia, Pennsylvania, part of Thomas Jefferson University. Dr. Isenberg is also affiliated with Paoli Hospital. The medical group on file is Jefferson University Physicians. Dmand AI also links Dr. Isenberg to 1 more hospital and 1 medical group, each named with a free account.

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

Colon and rectal surgery is Dr. Isenberg's primary specialty in the NPI Registry, under taxonomy code 208C00000X. Dr. Isenberg is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery. Dmand AI has Dr. Isenberg's licenses on file in 4 states: Pennsylvania, California, New Jersey and New York.

Dmand AI lists colonoscopy, colon removal and hemorrhoids among the conditions Dr. Isenberg treats.

CMS data shows 428 Medicare services from Dr. Isenberg across 10 procedure codes in 2024, for 280 Medicare patients. Medicare paid $55,912 for them.

CMS counts 280 Medicare patients who saw Dr. Isenberg in 2024. The largest group is 65 to 74, with 140 patients. 75% of them have high cholesterol, and 69% have high blood pressure. 13% are also on Medicaid. Their average risk score is 1.37, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Isenberg's median patient age at 55, with 45% women.

In 2024, Dr. Isenberg wrote 80 Medicare Part D claims for 43 patients. 100% of them were for generic drugs. CMS names the drug for 65 of them, across 4 drugs with 11 or more claims each, at $2,288 in total drug cost. In 2023, CMS named 46 claims across 3 drugs.

Dr. Isenberg accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 108 procedures of colonoscopy by Dr. Isenberg, more than 81% of the clinicians it reports for that procedure.

Dmand AI links 36 papers to Dr. Isenberg, published from 2010 to 2025. 2014 was the busiest year, with 3. The most frequent topics are Students, Medical, Rectal Neoplasms and Adenocarcinoma. Dr. Isenberg has published most often in Am Surg. Dr. Isenberg's most frequent co-authors are Benjamin R. Phillips, MD, Pinckney Johnstone Maxwell, MD and Juan Pablo Palazzo, MD.

Dmand AI links Dr. Isenberg to 3 clinical trials. Conditions studied include Crohn Disease and Inflammatory Bowel Diseases.

CMS Open Payments shows 2 general payments to Dr. Isenberg from 2 drug and device companies from 2018 to 2024. Food and beverage make up the largest share, 100% of the total. Baxter Healthcare paid the most, $131. It also lists 2 research payments totaling $191 in 2019.

Dmand AI lists 4 awards for Dr. Isenberg, most recently Philadelphia Magazine in 2014.

Dr. Isenberg graduated from Icahn School Of Medicine At Mount Sinai in 1982. Dr. Isenberg is a member of ACS.

Dr. Isenberg is in network with 20 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Highmark. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.