Professional Overview
Dr. Daniel Koster, MD serves as the Medical Director at Bellin Memorial Hospital, located in Green Bay, Wisconsin. He is a board-certified family medicine physician with over 35 years of clinical and leadership experience in the medical field. Since graduating from the University of Michigan Medical School in 1987, Dr. Koster has maintained an active medical practice, holding multiple roles including leadership responsibilities at Bellin Memorial Hospital.
Current Role and Affiliation
- Position: Medical Director
- Organization: Bellin Memorial Hospital (a part of Bellin Health)
- Location: Green Bay, WI
- LinkedIn Profile: [linkedin.com/in/daniel-koster-4b02332a](https://www.linkedin.com/in/daniel-koster-4b02332a)
- Bellin Memorial Hospital is recognized nationally for its patient safety and experience, having received multiple Patient Safety Excellence Awards™ (2023, 2024) and Outstanding Patient Experience Awards™ (2023, 2024, 2025), indicating a strong institutional commitment to quality care, which aligns with Dr. Koster’s leadership role in medical direction.
Clinical Expertise and Practice
Dr. Koster specializes primarily in family medicine with comprehensive expertise across a broad spectrum of conditions and procedures. His clinical practice addresses:
- Chronic and acute conditions including diabetes (types 1 and 2), hypertension, arthritis, asthma, chronic obstructive pulmonary disease (COPD), cardiovascular disease, and common infections such as urinary tract infections, pharyngitis, and sinusitis.
- Preventive medicine including immunizations, cancer screenings, and health maintenance examinations.
- Diagnostic procedures such as Electrocardiogram (EKG), Arterial Blood Gas testing (ABG), and various allergy and infection screenings.
Further, Dr. Koster provides care in complex long-term conditions like fibromyalgia, long COVID disorder, osteoarthritis across multiple joints, peripheral nerve disorders, and sleep apnea.
Clinical Practice Location and Contact
- Primary Practice Address: 704 S Webster Ave, Suite 1C, Green Bay, WI 54301
- Phone: (920) 433-3486
- Dr. Koster is currently accepting new patients, indicating an active clinical role that supplements his medical director duties.
Professional Credentials and Board Certifications
- Medical Degree: University of Michigan, Ann Arbor (1987)
- Board Certifications:
- American Board of Medical Specialties®
- American Board of Family Medicine®
- No reported board actions or disciplinary history, supporting a strong professional standing.
Patient Reviews and Service Quality
- Patient feedback shows an overall positive satisfaction with Dr. Koster’s care, with an average recommendation rating of 4.2/5 based on 5 ratings, 80% of which were 5-star endorsements.
- Patients appreciate his ability to explain conditions clearly, and Bellin Memorial Hospital consistently scores higher than national averages for doctor-patient communication, nurse communication, and patient care quality.
Institutional Context
Bellin Memorial Hospital, under Dr. Koster’s medical leadership, is notable for its:
- Top-10% national ranking in patient safety and experience (2023).
- Receiving nine awards related to hospital cleanliness, communication, medication management, and discharge instructions reflecting a commitment to operational excellence that Dr. Koster supports and oversees as Medical Director.
- Active patient-centered policies with significantly higher patient feedback scores than national averages on post-discharge information and provider listening skills.
Additional Roles
- Dr. Koster also practices at EoMed LLC, a concierge medicine service in Green Bay, emphasizing personalized and proactive healthcare with his 25-plus years in family and emergency medicine.
This profile highlights Dr. Daniel Koster’s extensive clinical expertise in family medicine integrated with executive responsibilities at Bellin Memorial Hospital, a top-performing healthcare institution in Wisconsin. His long-standing experience, board certification, and leadership at a highly rated hospital underpin his capacity to influence care quality and operational standards, positioning him as a key decision-maker in medical services delivery within Bellin Health.