Upper Marlboro › Health Medical
Gateway Medical Center - Dr. Sisom Osia
A Black-owned business in Upper Marlboro, MD.
AddressUpper Marlboro, MD, 20772
What we can show 3 of 6
- Named source — BuyBlack.org
- Source page names this business
- Pin not yet derived from the street address
- Reachable — phone or website on file
- Not yet claimed by the owner
- No ownership document on file
Last checked Sep 1, 2026. Blacc Ownd records what it can evidence and says plainly what it cannot. How we verify
Is this your business?
Claim Gateway Medical Center - Dr. Sisom Osia to manage your hours, photos and deals — and see who's finding you. Verified by a human, never self-checkbox. 30-day trial, no card.
Claim this listing
