Dr. David F. Mercer, MD

Dr. Mercer practices at Kearney Regional Medical Center in Kearney, Nebraska, part of Bryan Health.

Dr. Mercer's NPI, 1104933878, was assigned on August 25, 2006. Dr. Mercer holds Nebraska license 23757.

Dr. Mercer's primary practice is Kearney Regional Medical Center, at 804 22nd Avenue, Kearney, NE 68845 in Buffalo County. The practice phone is (308) 455-3600.

Dr. Mercer's primary practice is Kearney Regional Medical Center in Kearney, Nebraska, part of Bryan Health. Dr. Mercer is also affiliated with Nebraska Medical Center. The medical group on file is UNMC Physicians. Dmand AI also links Dr. Mercer to 1 more hospital, 1 breast imaging center and 1 home health agency, each named with a free account.

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

Transplant surgery is Dr. Mercer's primary specialty in the NPI Registry, under taxonomy code 204F00000X. Dr. Mercer is licensed in Nebraska.

CMS data shows 198 Medicare services from Dr. Mercer across 2 procedure codes in 2024, for 86 Medicare patients. Medicare paid $10,785 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 86 Medicare patients who saw Dr. Mercer in 2024. The largest group is 65 to 74, with 42 patients. 75% of them have high blood pressure, and 62% have depression. 30% are also on Medicaid. Their average risk score is 2.77, 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. Mercer's median patient age at 32, with 56% women.

In 2024, Dr. Mercer wrote 863 Medicare Part D claims for 69 patients. 59% of them were for generic drugs. CMS names the drug for 706 of them, across 17 drugs with 11 or more claims each, at $2,354,572 in total drug cost. In 2023, CMS named 480 claims across 11 drugs.

Dr. Mercer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Dmand AI links 73 papers to Dr. Mercer, published from 2010 to 2025. 2022 was the busiest year, with 6. The most frequent topics are Short Bowel Syndrome, Intestines and Parenteral Nutrition. Dr. Mercer has published most often in JPEN J Parenter Enteral Nutr. Dr. Mercer's most frequent co-authors are Alan N. Langnas, DO, Wendy J. Grant, MD and Jon S. Thompson, MD.

Dmand AI links Dr. Mercer to 3 clinical trials, 2 of them phase 3 studies. 1 is still active or recruiting. Conditions studied include Short Bowel Syndrome, Malabsorption Syndromes and Hyperphagia. Shire sponsors the most, 3.

CMS Open Payments shows 101 general payments to Dr. Mercer from 11 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 76% of the total. Takeda Pharmaceuticals U.S.A., Inc. paid the most, $37,485.