Dr. Steven Anthony Zimmerman, MD

Dr. Zimmerman practices at Mercy Health - St. Vincent Medical Center in Toledo, Ohio, part of Bon Secours Mercy Health.

Dr. Zimmerman's NPI is 1104289347. Dr. Zimmerman holds Ohio license 35146344.

Dr. Zimmerman's primary practice is Mercy Health - St. Vincent Medical Center, at 2213 Cherry Street, Toledo, OH 43608 in Lucas County. The practice phone is (419) 251-3232.

Dr. Zimmerman's primary practice is Mercy Health - St. Vincent Medical Center in Toledo, Ohio, part of Bon Secours Mercy Health. Dr. Zimmerman is also affiliated with Mercy Health - Tiffin Hospital. The medical group on file is Mercy Health Physicians. Dmand AI also links Dr. Zimmerman to 2 more hospitals, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zimmerman practices, 4 sites in all. Vendor and product names are available with a free account.

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

CMS data shows 464 Medicare services from Dr. Zimmerman across 8 procedure codes in 2024, for 272 Medicare patients. Medicare paid $34,014 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 272 Medicare patients who saw Dr. Zimmerman in 2024. The largest group is 75 to 84, with 109 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 21% are also on Medicaid. Their average risk score is 2.10, 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. Zimmerman's median patient age at 60, with 45% women.

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

Colonoscopy: 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)

Removal of tissue: 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 6 papers to Dr. Zimmerman, published from 2018 to 2024. 2018 was the busiest year, with 2. The most frequent topics are Emergency Service, Hospital, Time-to-Treatment and Appendectomy. Dr. Zimmerman has published most often in J Surg Res. Dr. Zimmerman's most frequent co-authors are Lynn M. Gries, MD, Andrew C. Bernard, MD and John Denis Berne, MD.

CMS Open Payments shows 146 general payments to Dr. Zimmerman from 10 drug and device companies from 2021 to 2025. Education make up the largest share, 77% of the total. Zimmer Biomet Holdings, Inc. paid the most, $61,248.