Dr. Karen A. Chojnacki, MD

Dr. Chojnacki practices at Jefferson University Physicians in Philadelphia, Pennsylvania.

Dr. Chojnacki's NPI, 1083630685, was assigned on July 15, 2006. Dr. Chojnacki graduated from State University of New York at Buffalo School of Medicine in 1995. Dr. Chojnacki holds Pennsylvania license MD062646L.

Dr. Chojnacki's primary practice is Jefferson University Physicians, at 1100-4 Walnut St, Philadelphia, PA 19107 in Philadelphia County. The practice phone is (215) 955-0000.

Dr. Chojnacki's primary practice is Jefferson University Physicians in Philadelphia, Pennsylvania. Dr. Chojnacki is also affiliated with Thomas Jefferson University Hospital. The medical group on file is Jefferson University Physicians. Dmand AI also links Dr. Chojnacki to 1 more group practice or clinic, named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chojnacki practices, 2 sites in all. Vendor and product names are available with a free account.

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

CMS data shows 319 Medicare services from Dr. Chojnacki across 9 procedure codes in 2024, for 242 Medicare patients. Medicare paid $56,119 for them.

CMS counts 242 Medicare patients who saw Dr. Chojnacki in 2024. The largest group is 65 to 74, with 114 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.45, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Chojnacki's median patient age at 67, with 55% women.

In 2024, Dr. Chojnacki wrote 28 Medicare Part D claims for 19 patients. 100% of them were for generic drugs. CMS names the drug for 14 of them, across 1 drug with 11 or more claims each, at $107 in total drug cost. In 2022, CMS named 27 claims across 2 drugs.

Dr. Chojnacki accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chojnacki as offering telehealth. CMS counts 19 procedures of hernia repair - groin (open) by Dr. Chojnacki, more than 96% of the clinicians it reports for that procedure.

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

Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)

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

Dmand AI links 20 papers to Dr. Chojnacki, published from 2012 to 2024. 2014 was the busiest year, with 2. The most frequent topics are Laparoscopy, Postoperative Complications and Adenocarcinoma. Dr. Chojnacki has published most often in Am Surg. Dr. Chojnacki's most frequent co-authors are Francesco Palazzo, MD, Charles J. Yeo, MD and Andrew M. Brown, MD.

CMS Open Payments shows 18 general payments to Dr. Chojnacki from 5 drug and device companies from 2018 to 2024. Travel and lodging make up the largest share, 43% of the total. Intuitive Surgical, Inc. paid the most, $3,963.

Dr. Chojnacki graduated from State University of New York at Buffalo School of Medicine in 1995.