Dr. Ryan Keegan Lehmann, DO

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

Dr. Lehmann's NPI, 1508072190, was assigned on May 14, 2007. Dr. Lehmann graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 2005. Dr. Lehmann holds Iowa license DO-05297.

Dr. Lehmann'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. Lehmann'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. Lehmann practices. Vendor and product names are available with a free account.

Surgery is Dr. Lehmann's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Lehmann's licenses on file in 2 states: Iowa and Missouri.

CMS data shows 17 Medicare services from Dr. Lehmann across 1 procedure code in 2024, all of them office visits, for 33 Medicare patients. Medicare paid $995 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 33 Medicare patients who saw Dr. Lehmann in 2024. The largest group is 65 to 74, with 14 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.89, 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. Lehmann's median patient age at 63, with 66% women.

In 2019, Dr. Lehmann wrote 12 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $128 in total drug cost. In 2018, CMS named 137 claims across 6 drugs.

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

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

Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)

Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 10 papers to Dr. Lehmann, published from 2010 to 2025. 2023 was the busiest year, with 3. The most frequent topics are Laparoscopy, Obesity, Morbid and Bariatric Surgery. Dr. Lehmann has published most often in Surg Endosc. Dr. Lehmann's most frequent co-authors are Peter Nealey Nau, MD, Bruce John Ramshaw, MD and Gregory John Mancini, MD.

CMS Open Payments shows 107 general payments to Dr. Lehmann from 14 drug and device companies from 2016 to 2025. Education make up the largest share, 47% of the total. Intuitive Surgical, Inc. paid the most, $12,004.

Dr. Lehmann graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 2005.