OUR CLINICIANS

RGV ADULT & GERIATRIC MEDICINE SPECIALISTS

RGV Adult and Geriatric Medicine Specialists along with the Mercedes Children’s Clinic is composed of a dynamic
group of physicians servicing the Mid-Valley area. With three clinics in Weslaco and a fourth clinic dedicated to
pediatric care in Mercedes, we offer convenient healthcare to meet the needs of the community we serve.

Dr. Pedro McDougal

M.D., F.A.C.P., A.G.S.F.

Maria “Rosie” Rodriguez

F.N.P.

Dr. Jose E. Lares

M.D.

Juana Alicia Mejia

F.N.P.

Daisy A. Arce

M.D.

Mansour Usudan

MSN, FNP-BC

Linda Herrera, MSN, APRN, FNP-BC

Family Nurse Practitioner – Board Certified

Kaizen Clinical Partners

We are excited to announce that we are now part of a new organization called Kaizen Clinical Partners.

RGV Adult & Internal Medicine Specialists, PA has joined forces with Donna Medical Clinic, PA and Pedro J. Peñalo, MD, PA in order to serve our community in the Rio Grande Valley through a stronger work force, better resources for our patients, and shared values. Together, we will create a sustainable healthy society by improving well-being in our communities. We will become better every year at delivering equitable, excellent, and efficient primary and preventive care to all we serve.

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