
Dr. Alan McKenzie, MD
Dr. Alan McKenzie, MD is an endocrinologist in Marshfield, Wisconsin, located at 1000 N Oak Avenue. He specializes in endocrinology and has published research on topics including adrenocortical carcinoma and thyroiditis.
Compare 3 endocrinologists and endocrinology clinics in Marshfield, WI - ratings, reviews, published services and contact options. Confirm details with each clinic.
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Dr. Alan McKenzie, MD is an endocrinologist in Marshfield, Wisconsin, located at 1000 N Oak Avenue. He specializes in endocrinology and has published research on topics including adrenocortical carcinoma and thyroiditis.

Marshfield Clinic (Marshfield Clinic Health System) is a nonprofit, Wisconsin-based health system founded in 1916. It operates 50+ locations across northern, central, and western Wisconsin, with its headquarters in Marshfield. The system includes hospitals, clinics, a medical research institute, and an education division, employing over 1,200 clinicians and about 2,252 staff, and reporting annual revenue around $2.6B. It is part of Sanford Health (acquired in 2024). Primary contact: various locations including Marshfield HQ at 1000 N Oak Ave, Marshfield, WI 54449. For endocrinology-specific care, facilities are part of the Marshfield Clinic Health System network across Wisconsin, staffed by clinicians in internal medicine, neurology, cardiology, and related specialties, with endocrinology services offered through the system’s clinics.

The National Farm Medicine Center (NFMC) is a non-profit research center established in 1981, based in Marshfield, Wisconsin. It operates under the Marshfield Clinic Research Institute and focuses on agricultural health and safety research and services. NFMC supports researchers, safety/health professionals, and production agriculture stakeholders with information on research projects, outcomes, and available services. It is a small organization (~11 employees) with annual revenue around $13.1 million. Key contact points include multiple U.S. phone numbers and the main HQ at 1000 N Oak Ave, Marshfield, WI 54449. The center’s leadership includes Director Casper Bendixsen.
3 endocrinology clinics are listed in Marshfield, WI.
Highest published ratings among the clinics listed here: Michael Sheehan MD (4.8 out of 5, 319 reviews).
2 of the 3 clinics listed here offer online booking: Marshfield Clinic; Michael Sheehan MD.
1 of the 3 clinics listed here lists emergency services: Marshfield Clinic.
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