Dr. Puneet Dhillon Grewal, MD

Dr. Grewal practices at Holy Cross Hospital in Chicago, Illinois, part of Sinai Health System.

Dr. Grewal's NPI, 1003048745, was assigned on August 13, 2009. Dr. Grewal holds California license A151270.

Dr. Grewal's primary practice is Holy Cross Hospital, at 2701 W 68th Street, Chicago, IL 60629 in Cook County. The practice phone is (773) 884-9000.

Dr. Grewal's primary practice is Holy Cross Hospital in Chicago, Illinois, part of Sinai Health System. Dr. Grewal is also affiliated with Mount Sinai Hospital. The medical group on file is Sinai Medical Group. Dmand AI also links Dr. Grewal to 3 more medical groups and 1 community health center, each named with a free account.

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

Cardiovascular disease is Dr. Grewal's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Grewal is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Grewal's licenses on file in 2 states: California and Illinois.

CMS data shows 1,312 Medicare services from Dr. Grewal across 13 procedure codes in 2024, for 609 Medicare patients. Medicare paid $70,363 for them.

CMS counts 609 Medicare patients who saw Dr. Grewal in 2024. The largest group is 65 to 74, with 194 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 74% are also on Medicaid. Their average risk score is 2.51, 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. Grewal's median patient age at 71, with 56% women.

In 2024, Dr. Grewal wrote 249 Medicare Part D claims for 72 patients. 88% of them were for generic drugs. CMS names the drug for 157 of them, across 7 drugs with 11 or more claims each, at $1,288 in total drug cost. In 2023, CMS named 426 claims across 14 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Grewal for performance year 2024, reported as part of a group. Dr. Grewal accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

CMS Open Payments shows 174 general payments to Dr. Grewal from 28 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 93% of the total. Medtronic Vascular, Inc. paid the most, $788.