• Walk-ins welcome

Our story

Care that knows your name.

Mercy Health Care and Clinic is an independent primary care practice serving Prince George's County, Maryland, built on the belief that every patient deserves a doctor who knows them.

Chinyenum 'Chichi' Otuya, AGNP-C, founder and provider at Mercy Health Care and Clinic

Chinyenum "Chichi" Otuya, AGNP-C
Adult-Gerontology Primary Care Nurse Practitioner

Meet your provider.

Chinyenum "Chichi" Otuya is an Adult-Gerontology Primary Care Nurse Practitioner (AGNP-C), certified by the American Academy of Nurse Practitioners Certification Board. With years of experience serving patients across the DMV area, she founded Mercy Health Care and Clinic to bring patient-centered, relationship-driven primary care to Prince George's County.

Her approach combines clinical expertise with genuine warmth; she believes that the best care happens when patients feel seen, heard, and respected. At Mercy, you're not a chart number. You're a neighbor.

Chichi is committed to serving patients of all backgrounds, including uninsured and underinsured individuals, veterans, and families navigating complex health challenges. She welcomes patients from across Prince George's County.

How we care.

Three principles guide everything we do at Mercy.

Personal

You'll see the same provider each visit, someone who knows your history, your family, and your community. That continuity is the difference between feeling treated and feeling cared for.

Practical

Same-day appointments, walk-in hours, and telemedicine options because your schedule matters. We work around you, not the other way around.

Present

We're an independent clinic in Largo, not a chain, not a hospital network. We're here for the long term, rooted in Prince George's County and committed to the community.

Our clinic.

We're located at 9500 Medical Center Drive, Suite 262, Largo, MD 20774, second floor, easy parking, no long waits.

Reception and waiting area at Mercy Health Care and Clinic

Reception & waiting area

Exam room at Mercy Health Care and Clinic

Exam room

Treatment room at Mercy Health Care and Clinic

Treatment room

Ready when you are.

Book your visit online or walk in today. We'll take care of the rest.

Mon – Fri   9 AM – 5 PM Sat   9 AM – 3 PM Sun   1 PM – 3 PM 240-332-4439