Dr. Christopher Joseph Zimmermann, MD

Dr. Zimmermann practices at UCHealth Poudre Valley Hospital in Fort Collins, Colorado, part of UCHealth.

Dr. Zimmermann's NPI, 1477949162, was assigned on April 9, 2015. Dr. Zimmermann graduated from UTMB Health in 2015. Dr. Zimmermann holds Colorado license DR.0071391.

Dr. Zimmermann's primary practice is UCHealth Poudre Valley Hospital, at 1024 S Lemay Ave, Fort Collins, CO 80524 in Larimer County. The practice phone is (970) 495-7000.

Dr. Zimmermann's primary practice is UCHealth Poudre Valley Hospital in Fort Collins, Colorado, part of UCHealth. Dr. Zimmermann is also affiliated with UCHealth Medical Center of the Rockies. The medical group on file is UCHealth Medical Group. Dmand AI also links Dr. Zimmermann to 3 more hospitals, 1 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. Zimmermann practices, 6 sites in all. Vendor and product names are available with a free account.

Surgery is Dr. Zimmermann's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Zimmermann is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Zimmermann's licenses on file in 3 states: Colorado, Illinois and Wisconsin.

CMS data shows 130 Medicare services from Dr. Zimmermann across 6 procedure codes in 2024, for 90 Medicare patients. Medicare paid $13,430 for them.

CMS counts 90 Medicare patients who saw Dr. Zimmermann in 2024. The largest group is 65 to 74, with 57 patients. 62% of them have high cholesterol, and 61% have high blood pressure. 14% are also on Medicaid. Their average risk score is 1.14, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Zimmermann's median patient age at 66, with 64% women.

In 2024, Dr. Zimmermann wrote 116 Medicare Part D claims for 53 patients. 96% of them were for generic drugs. CMS names the drug for 78 of them, across 3 drugs with 11 or more claims each, at $506 in total drug cost. In 2023, CMS named 44 claims across 3 drugs.

Dr. Zimmermann accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Zimmermann as offering telehealth. CMS counts 68 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Zimmermann, more than 69% of the clinicians it reports for that procedure.

Hernia repair (minimally invasive): 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)

Dmand AI links 25 papers to Dr. Zimmermann, published from 2013 to 2025. 2023 was the busiest year, with 5. The most frequent topics are Gastroesophageal Reflux, Fundoplication and Deglutition Disorders. Dr. Zimmermann has published most often in Surg Endosc. Dr. Zimmermann's most frequent co-authors are Julia Rothe Amundson, MD, Herbert Mason Hedberg, MD and Margaret L. Schwarze, MD.

CMS Open Payments shows 29 general payments to Dr. Zimmermann from 10 drug and device companies from 2022 to 2025. Grants make up the largest share, 96% of the total. Boston Scientific Corporation paid the most, $50,181.

Dr. Zimmermann graduated from UTMB Health in 2015. Dr. Zimmermann is a member of ACS, AMA and ASGE.

Dr. Zimmermann is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Cigna. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.