Dr. Andrew B. Shreiner, MD

Dr. Shreiner practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health.

Dr. Shreiner's NPI, 1437461639, was assigned on July 6, 2010. Dr. Shreiner graduated from University of Michigan Medical School in 2010. Dr. Shreiner holds Michigan license 4301097133.

Dr. Shreiner's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth, at 100 Michigan St NE, Grand Rapids, MI 49503 in Kent County. The practice phone is (616) 391-1774.

Dr. Shreiner's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health. Dr. Shreiner is also affiliated with Corewell Health Pennock Hospital. The medical group on file is Corewell Health Medical Group West. Dmand AI also links Dr. Shreiner to 1 more 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. Shreiner practices, 3 sites in all. Vendor and product names are available with a free account.

Gastroenterology is Dr. Shreiner's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Shreiner is licensed in Michigan.

CMS data shows 221 Medicare services from Dr. Shreiner across 6 procedure codes in 2024, for 185 Medicare patients. Medicare paid $17,750 for them.

CMS counts 185 Medicare patients who saw Dr. Shreiner in 2024. The largest group is 65 to 74, with 93 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 22% are also on Medicaid. Their average risk score is 1.74, 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. Shreiner's median patient age at 59, with 55% women.

In 2024, Dr. Shreiner wrote 748 Medicare Part D claims for 343 patients. 72% of them were for generic drugs. CMS names the drug for 596 of them, across 14 drugs with 11 or more claims each, at $263,612 in total drug cost. In 2023, CMS named 592 claims across 12 drugs.

Dr. Shreiner accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 136 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Shreiner, more than 83% of the clinicians it reports for that procedure.

Dmand AI links 12 papers to Dr. Shreiner, published from 2010 to 2017. 2016 was the busiest year, with 3. The most frequent topics are Mice, Inbred C57BL, Aspergillus fumigatus and Lung. Dr. Shreiner has published most often in Infect Immun. Dr. Shreiner's most frequent co-authors are John Y. Kao, MD, Eric Stephen White, MD and Dinesh Khanna, MD.

CMS Open Payments shows 23 general payments to Dr. Shreiner from 9 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 93% of the total. Olympus America Inc. paid the most, $355.

Dr. Shreiner graduated from University of Michigan Medical School in 2010.