Dr. Mark A. Granner, MD

Dr. Granner practices at University of Iowa Health Care Medical Center in Iowa City, Iowa, part of The University of Iowa.

Dr. Granner's NPI, 1528051653, was assigned on August 24, 2005. Dr. Granner graduated from University of Iowa, RJ & L Carver College of Medicine in 1987. Dr. Granner holds Iowa license MD-29194.

Dr. Granner's primary practice is University of Iowa Health Care Medical Center, at 200 Hawkins Drive, Iowa City, IA 52242 in Johnson County. The practice phone is (319) 356-1616.

Dr. Granner's primary practice is University of Iowa Health Care Medical Center in Iowa City, Iowa, part of The University of Iowa. The medical group on file is Scanlan Center for School Mental Health Clinic.

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

Epilepsy is Dr. Granner's primary specialty in the NPI Registry, under taxonomy code 2084E0001X. Dr. Granner is licensed in Iowa.

CMS data shows 316 Medicare services from Dr. Granner across 8 procedure codes in 2024, for 167 Medicare patients. Medicare paid $22,497 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 167 Medicare patients who saw Dr. Granner in 2024. The largest group is under 65, with 84 patients. 56% of them have high blood pressure, and 55% have high cholesterol. 49% are also on Medicaid. Their average risk score is 1.39, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Granner's median patient age at 58, with 46% women.

In 2024, Dr. Granner wrote 3,683 Medicare Part D claims for 274 patients. 66% of them were for generic drugs. CMS names the drug for 3,568 of them, across 49 drugs with 11 or more claims each, at $1,920,935 in total drug cost. In 2023, CMS named 3,389 claims across 47 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 80 out of 100 for Dr. Granner for performance year 2024, reported as part of a group. Dr. Granner accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Dmand AI links 16 papers to Dr. Granner, published from 2012 to 2025. 2018 was the busiest year, with 4. The most frequent topics are Epilepsy, Electroencephalography and Carbon Dioxide. Dr. Granner has published most often in Epilepsia. Dr. Granner's most frequent co-authors are Brian Kent Gehlbach, MD, George B. Richerson, MD and Hiroto Kawasaki, MD.

Dmand AI links Dr. Granner to 2 clinical trials. Conditions studied include Epilepsy, Sudden Unexpected Death in Epilepsy and Cognitive Dysfunction.

CMS Open Payments shows 1 general payment to Dr. Granner from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $109.

Dr. Granner graduated from University of Iowa, RJ & L Carver College of Medicine in 1987.