Meet the Physical Therapy Clinic Team

Sarah Greenhagen, PT, DPT

Clinical Assistant Professor of Physical Therapy

Areas of Interest

• Geriatrics, fall prevention, chronic disease monitoring and prevention
• Public health policy and community programming
• Health literacy and patient advocacy

Education

• Northern Illinois University, D.P.T.
• Northern Illinois University, B.S. Health Sciences, emphasis Physical Therapy

Language

English

Joined NIU

2022

Courses Taught

• AHPT 637 - Cardiovascular and Pulmonary Physical Therapy
• AHPT 616 - Motor Development for PTs
• AHPT 611 - Therapeutic Exercise
• AHPT 622 - External Clinical Experience I
• AHPT 660 - External Clinical Experience II
• AHPT 760 - External Clinical Experience III
• AHPT 761 - External Clinical Experience IV

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Renzo Mendoza, PT, DPT

Clinical Assistant Professor of Physical Therapy

Areas of Interest

• Chronic pain
• Health disparities
• Temporomandibular disorder
• Ethical practice
• DPT post-professional training

Education

• Fellowship: Northwestern University — Feinberg School of Medicine
• Residency: University of Michigan — Ann Arbor
• DPT, Northwestern University — Feinberg School of Medicine
• B.S., Boise State University - Health Science Studies

Joined NIU

2026

Courses Taught

• AHPT 610: Foundational Patient Screening, Examination, and Assessment
• AHPT 611: Foundational Therapeutic Exercise
• AHPT 639: Evaluation Treatment of MSK Disorders of the Extremities
• AHPT 614: Advanced Exercise and Intervention Prescription
• AHPT 619: Internal Clinical Experience I
• AHPT 621: Internal Clinical Experience II
• AHPT 623: Internal Clinical Experience III
• AHPT 701: Internal Clinical Experience IV

Certification

• Board Certified Clinical Specialist in Orthopedic Physical Therapy
• Fellow of the American Academy of Orthopedic Manual Physical Therapists