Dr. Ernst Robert Lengyel, MD

Dr. Lengyel practices at Comer Children's Hospital - Hyde Park in Chicago, Illinois.

Dr. Lengyel's NPI, 1447296306, was assigned on June 21, 2006. Dr. Lengyel holds Illinois license 036110536.

Dr. Lengyel's primary practice is Comer Children's Hospital - Hyde Park, at 5721 S Maryland Ave, Chicago, IL 60637 in Cook County. The practice phone is (773) 702-1530.

Dr. Lengyel's primary practice is Comer Children's Hospital - Hyde Park in Chicago, Illinois. Dr. Lengyel is also affiliated with University of Chicago Medical Center. The medical group on file is Endeavor Health Medical Group. Dmand AI also links Dr. Lengyel to 1 more hospital and 3 medical groups, each named with a free account.

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

Gynecologic oncology is Dr. Lengyel's primary specialty in the NPI Registry, under taxonomy code 207VX0201X. Dr. Lengyel is licensed in Illinois.

CMS data shows 118 Medicare services from Dr. Lengyel across 3 procedure codes in 2024, for 40 Medicare patients. Medicare paid $5,835 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 40 Medicare patients who saw Dr. Lengyel in 2024. The largest group is 65 to 74, with 22 patients. 73% of them have high blood pressure, and 70% have high cholesterol. Their average risk score is 2.27, 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. Lengyel's median patient age at 71, with 99% women.

In 2024, Dr. Lengyel wrote 70 Medicare Part D claims for 22 patients. 84% of them were for generic drugs. CMS names the drug for 28 of them, across 2 drugs with 11 or more claims each, at $292 in total drug cost. In 2022, CMS named 37 claims across 3 drugs.

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

Removal of the uterus: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 122 papers to Dr. Lengyel, published from 2004 to 2025. 2019 was the busiest year, with 10. The most frequent topics are Ovarian Neoplasms, Cell Line, Tumor and Tumor Microenvironment. Dr. Lengyel has published most often in Gynecol Oncol. Dr. Lengyel's most frequent co-authors are Iris L. Romero, Melissa L. Javellana, MD and Andras Ladanyi, MD, PhD.

CMS Open Payments shows 2 general payments to Dr. Lengyel from 2 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $71.