Meet Our Medical Providers

Dr. Leyda Su Ham

Dr. Su Ham has a long history of providing primary medical care as well as HIV care and treatment. Dr. Su Ham defines her role as a physician, to include collaborating with community members in providing and promoting health care services for people affected by HIV. This led her to establish Sunshine Family Care and to work with MDHHS.

Her interest and passion for HIV medical care began as a medical student more than 15 years ago, when she actively sought clinical rotations focused on HIV services across central and south Florida. She is humbled to be able to continue her long-time interest in Flint, Michigan.

Board-certified in family practice and osteopathic medicine, Dr. Su Ham attended Nova Southeastern University College of Osteopathic Medicine in Fort Lauderdale, FL. She graduated with dual degrees, in medicine and a Master in Public Health, then completed an NCI Cancer Research Training Award fellowship in Bethesda, MD, and a family practice and osteopathic manipulative treatment residency at St. John Providence Health, Macomb-Oakland Hospital in Metro Detroit.


Dr. Peter Gulick

Dr. Peter Gulick, board certified in Infectious Disease, graduated from the Chicago College of Osteopathic Medicine.

Dr. Gulick has been on the forefront in providing care to individuals living with HIV for over 38 years. He currently practices in Lansing, Saginaw and Harrison, and serves over 800 patients.

Dr. Gulick, through his research and dedication, is committed to ending the epidemic.


Sandra Manssur

Family Nurse Practitioner

Sandra has a Master of Science in Nursing (MSN), majoring in Family Nursing Practice (FNP) and a Bachelor of Science in Nursing (BSN) from the University of Michigan and holds certifications as a HIV Treatment Specialist from the American Academy of HIV Medicine.

In her practice, Sandra emphasizes health promotion and health maintenance through disease prevention and early diagnosis and treatment and displays unconditional acceptance towards patients. Sandra advocates for her patients and applies nursing theories to her practice.


Mary Boudreau

Nurse Practitioner

Mary Boudreau has served people living with HIV for over 25 years, first as a case manager, then as a nurse, and now as a nurse practitioner. She empowers patients to overcome challenges, particularly the ongoing stigma associated with HIV.

She has a Doctor of Nursing Practice (DNP) and Master of Social Work (MSW) from Michigan State University and MSN and BSN from the University of Michigan-Flint.

She is thrilled to join Sunshine Family Care, and she also serves as a Nurse Practitioner at Central Michigan District Health Department HIV Clinic in Harrison and Sparrow Senior Health in Lansing.

Sunshine Family Care

3169 Beecher Road, Suite 100
Flint, MI 48532

810-620-0250 | Fax: 810-620-0255
Monday to Saturday 9am - 5pm

SERVING PEOPLE LIVING WITH HIV