A Specialty Service Line of Onyx Medical Wellness

Meet Our Leadership Team

Nexus brings together dedicated experts committed to delivering compassionate, accessible healthcare through Onyx Medical Wellness's innovative specialty service line

Dr. Maya Green

Dr. Maya Green

Chief Health & Equity Officer

Founder of Nexus and a nationally recognized leader in HIV prevention, treatment, and health equity. Dr. Green blends innovation with compassion to build systems that deliver affirming, accessible care to every community.

Eric Welch

Eric Welch

Chief Operating Officer

A strategic operations expert with a passion for efficiency and excellence, Eric oversees daily operations, ensuring that Nexus's virtual and in-person care systems run seamlessly and effectively serve patients.

Dr. Ramona Buress

Dr. Ramona Buress

Chief Development Officer

A dedicated advocate and healthcare leader, Dr. Buress leads Nexus's growth and partnerships. She focuses on community engagement, equity in care delivery, and strengthening the network of providers who advance Nexus's mission.

Dr. Tonya Payton-Coleman

Dr. Tonya Payton-Coleman

Chief Pharmacy Strategist

A community pharmacist and healthcare advocate, Dr. Payton-Coleman drives Nexus's medication access strategy. Her leadership ensures patients receive timely, affordable treatment and prevention options including PrEP and PEP.

Felicia Melendez

Felicia Melendez

Insurance Verification & Coverage

Felicia leads patient access and insurance coordination, helping individuals navigate coverage, benefits, and cost-assistance programs so that financial barriers never stand in the way of care.

Where We Serve

Nexus is currently providing virtual healthcare services in the following states

USA map paper texture cut out with shadow on white background.

Now Serving 12 States

Expanding nationwide to bring quality care to every community

Illinois

IL

Indiana

IN

Pennsylvania

PA

Michigan

MI

Missouri

MO

Louisiana

LA

Georgia

GA

Alabama

AL

Texas

TX

Wisconsin

WI

Washington DC

DC

Idaho

ID

Coming Soon

We're expanding to serve these states in the near future

California

CA

Puerto Rico

PR

Tennessee

TN

Maryland

MD

Mississippi

MS

South Carolina

SC

Expanding Nationwide

We're continuously working to expand our services to more states. If your state isn't listed yet, stay tuned—we're growing our network to bring quality virtual healthcare to communities across the country.