Dr. Navrose S. Grewal, MD

Dr. Grewal practices at UCI Health - Orange in Orange, California, part of UC Irvine.

Dr. Grewal's NPI, 1366631962, was assigned on October 18, 2007. Dr. Grewal graduated from David Geffen School of Medicine at UCLA in 2004. Dr. Grewal's California license number on file is A95109.

Dr. Grewal's primary practice is UCI Health - Orange, at 101 City Drive South, Orange, CA 92868 in Orange County. The practice phone is (714) 456-7890.

Dr. Grewal's primary practice is UCI Health - Orange in Orange, California, part of UC Irvine. Dr. Grewal is also affiliated with PIH Health Downey Hospital. The medical group on file is UCI Health Physicians. Dmand AI also links Dr. Grewal to 2 more hospitals, 1 group practice or clinic and 1 medical group, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grewal practices, 5 sites in all. Vendor and product names are available with a free account.

Surgery is Dr. Grewal's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Grewal is board certified in thoracic and cardiac surgery by the American Board of Thoracic Surgery. Dr. Grewal has a license on file in California.

Dmand AI lists heart bypass surgery, heart valve surgery and lung resection among the conditions Dr. Grewal treats.

CMS data shows 546 Medicare services from Dr. Grewal across 8 procedure codes in 2024, for 159 Medicare patients. Medicare paid $100,869 for them.

CMS counts 159 Medicare patients who saw Dr. Grewal in 2024. The largest group is 65 to 74, with 76 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 62% are also on Medicaid. Their average risk score is 2.89, 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 70, with 37% women.

In 2024, Dr. Grewal wrote 41 Medicare Part D claims for 28 patients. 100% of them were for generic drugs. CMS names the drug for 19 of them, across 1 drug with 11 or more claims each, at $166 in total drug cost. In 2020, CMS named 24 claims across 2 drugs.

Dr. Grewal accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 12 procedures of coronary artery bypass graft (cabg) by Dr. Grewal, more than 47% of the clinicians it reports for that procedure.

Dmand AI links 3 papers to Dr. Grewal in 2004. The most frequent topics are gp100 Melanoma Antigen, Interleukin-2 and Melanoma, Experimental. Dr. Grewal's most frequent co-authors are Steven E. Finkelstein, MD, Khaled Iqbal El-Badawi, MD and Ninh T. Nguyen, MD.

CMS Open Payments shows 115 general payments to Dr. Grewal from 26 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 76% of the total. AtriCure, Inc. paid the most, $2,277.

Dr. Grewal graduated from David Geffen School of Medicine at UCLA in 2004.

Dr. Grewal is in network with 12 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.