Dr. Benjamin Matthew Zmistowski, MD

Dr. Zmistowski practices at Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health.

Dr. Zmistowski's NPI, 1265850309, was assigned on April 5, 2014. Dr. Zmistowski graduated from Jefferson Medical College of Thomas Jefferson University in 2014. Dr. Zmistowski holds Missouri license 2019008253.

Dr. Zmistowski's primary practice is Barnes-Jewish Hospital, at One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110 in St. Louis City. The practice phone is (314) 747-3000. Dr. Zmistowski also practices at Barnes-Jewish Hospital, 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110.

Dr. Zmistowski's primary practice is Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health. Dr. Zmistowski is also affiliated with Mercy Hospital St. Louis. The medical group on file is WashU Medicine Psychiatry. Dmand AI also links Dr. Zmistowski to 4 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zmistowski practices, 8 sites in all. Vendor and product names are available with a free account.

Orthopaedic surgery is Dr. Zmistowski's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Zmistowski is licensed in Missouri.

CMS data shows 1,210 Medicare services from Dr. Zmistowski across 10 procedure codes in 2024, for 468 Medicare patients. Medicare paid $122,003 for them.

CMS counts 468 Medicare patients who saw Dr. Zmistowski in 2024. The largest group is 65 to 74, with 248 patients. 75% of them have arthritis, and 74% have high cholesterol. 5% are also on Medicaid. Their average risk score is 1.18, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Zmistowski's median patient age at 70, with 48% women.

In 2024, Dr. Zmistowski wrote 239 Medicare Part D claims for 136 patients. 98% of them were for generic drugs. CMS names the drug for 180 of them, across 6 drugs with 11 or more claims each, at $794 in total drug cost. In 2023, CMS named 162 claims across 6 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Zmistowski for performance year 2024, reported as part of a group. Dr. Zmistowski accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 33 procedures of upper limb (arm) arthroscopy (minimally invasive joint repair) by Dr. Zmistowski, more than 77% of the clinicians it reports for that procedure.

Lower limb (leg) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 105 papers to Dr. Zmistowski, published from 2010 to 2025. 2017 was the busiest year, with 9. The most frequent topics are Reoperation, Arthroplasty, Replacement, Shoulder and Prosthesis-Related Infections. Dr. Zmistowski has published most often in J Shoulder Elbow Surg. Dr. Zmistowski's most frequent co-authors are Joseph Albert Abboud, MD, Jay Donovan Keener, MD and Alexander William Aleem, MD.

CMS Open Payments shows 235 general payments to Dr. Zmistowski from 9 drug and device companies from 2019 to 2025. Consulting fees make up the largest share, 83% of the total. Zimmer Biomet Holdings, Inc. paid the most, $111,627.

Dr. Zmistowski graduated from Jefferson Medical College of Thomas Jefferson University in 2014.