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A provider helps rehabilitate an elderly woman's shoulder with a weight routine
Physical therapy services
Two teenage girls exercise at a Trinity Elite facility
Athletic development services
Our Care Sites
A provider helps rehabilitate an elderly woman's shoulder with a weight routine
Physical therapy services
Two teenage girls exercise at a Trinity Elite facility
Athletic development services

Trinity Health Richard J. Lacks Sr. Cancer Center

Phone & Address

250 Cherry SE
Grand Rapids, MI 49503

Get directions

(616) 685-5600

(616) 685-6745

Hours

Monday
7:00am
5:00pm
Tuesday
7:00am
5:00pm
Wednesday
7:00am
5:00pm
Thursday
7:00am
5:00pm
Friday
7:00am
5:00pm

Coming Spring 2026: Welcoming Two New Gynecologic Oncology Providers

Welcoming Leigh Seamon, DO, April 2026

We’re pleased to announce that Dr. Leigh Seamon, a fellowship‑trained gynecologic oncologist, will be joining our practice in April 2026. Dr. Seamon brings more than 20 years of experience in obstetrics and gynecology, gynecologic oncology, and academic medicine. Her clinical interests span the full spectrum of gynecologic cancers, advanced surgical care, and evidence‑based treatment for complex conditions.

Welcoming Christopher Hummel, DO, May 2026

We are also excited to welcome Dr. Christopher E. Hummel, a board‑certified gynecologic oncologist, who will join the practice in May 2026. Dr. Hummel specializes in the diagnosis and surgical management of gynecologic cancers, including ovarian, uterine, cervical, and vulvar cancers. His expertise includes minimally invasive and robotic surgical techniques, allowing for advanced, patient‑centered treatment options.

Together, Drs. Seamon and Hummel will enhance our commitment to providing comprehensive, high‑quality gynecologic oncology care to our communities.

For more information, please call (616) 685‑5600.

Powerful Cancer-Fighting Tools and Expertise 

Cancer is a difficult journey. That is why Trinity Health Richard J. Lacks Sr. Cancer Center is doing everything we can to support you and your loved ones. We have assembled the region's most experienced team of cancer experts and some of the best technology in this state-of-the-art facility. Patient-centered care is provided by a multidisciplinary team of board-certified physician, genetic counselors, dieticians, nurse navigators, oncology social workers and holistic practitioners for a comprehensive approach to treatment planning.

Programs and clinics: 

  • Breast Care and Breast Surgery
  • Cancer Screenings
  • Genetic Counseling
  • Gynecologic Oncology
  • Infusion Services
  • Medical Oncology
  • Radiation Oncology
  • Surgical Oncology
  • Thoracic Surgery
  • Research and Clinical Trials

Our Accreditations

Off
ACR American College of Radiology

ACR (American College of Radiology)

This status indicates the highest level of image quality and patient safety in mammography, ultrasound, and MRI breast imaging.

ACS NAPBC National Accreditation Program for Breast Centers

ACS NAPBC (National Accreditation Program for Breast Centers)

This accreditation from the American College of Surgeons confirms that the centers provide comprehensive, patient-centered, multidisciplinary breast care.

Commission on Cancer Accredited Program

Commission on Cancer Accredited Program

Trinity Health Richard J. Lacks Sr. Cancer Center has met the Commission on Cancer’s standards and has been accredited by the Commission on Cancer, a Quality Program of the American College of Surgeons.

The Cancer Network of West Michigan

The Cancer Network of West Michigan

The Cancer Network of West Michigan, a joint venture between Trinity Health and University of Michigan Health-West, leverages the combined resources and capabilities of the two award-winning West Michigan health systems and Michigan Medicine, the academic medical center of the University of Michigan.