Dr. Joshua Aaron Marks, MD

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

Dr. Marks' NPI, 1194934299, was assigned on May 22, 2007. Dr. Marks graduated from Jefferson Medical College of Thomas Jefferson University in 2007. Dr. Marks holds Pennsylvania license MD428722.

Dr. Marks' 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. Marks' primary practice is Thomas Jefferson University Hospital in Philadelphia, Pennsylvania, part of Thomas Jefferson University. Dr. Marks is also affiliated with Lankenau Medical Center. The medical group on file is Jefferson University Physicians. Dmand AI also links Dr. Marks to 2 more hospitals, 4 medical groups and 3 group practices and clinics, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marks practices, 7 sites in all. Vendor and product names are available with a free account.

Surgery is Dr. Marks' primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Marks is licensed in Pennsylvania.

CMS data shows 363 Medicare services from Dr. Marks across 6 procedure codes in 2024, for 222 Medicare patients. Medicare paid $37,860 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 222 Medicare patients who saw Dr. Marks in 2024. The largest group is 75 to 84, with 82 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 2.45, 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. Marks' median patient age at 63, with 37% women.

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

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

Dmand AI links 34 papers to Dr. Marks, published from 2011 to 2025. 2022 was the busiest year, with 4. The most frequent topics are Brain Edema, Disease Models, Animal and Education, Medical, Graduate. Dr. Marks has published most often in J Trauma Acute Care Surg. Dr. Marks' most frequent co-authors are Murray J. Cohen, MD, Zachary M. Callahan, MD and Mary K. Kimbrough, MD.

Dmand AI links Dr. Marks to 2 clinical trials, 2 of them phase 3 studies. Conditions studied include Fournier Gangrene, Peritonitis and Fasciitis, Necrotizing. Atox Bio Ltd sponsors the most, 2.

CMS Open Payments shows 31 general payments to Dr. Marks from 11 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 71% of the total. Zimmer Biomet Holdings, Inc. paid the most, $1,095.

Dr. Marks graduated from Jefferson Medical College of Thomas Jefferson University in 2007.