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Memorial Hermann Medical Group El Campo

1602 North Mechanic St
El Campo, TX 77437

Memorial Hermann Medical Group welcomes you to our El Campo practice. We provide comprehensive, integrated care backed by the vast clinical resources of Memorial Hermann. Memorial Hermann Medical Group El Campo offers a full range of medical specialists who pledge to provide the highest quality health care for every patient.

Our patients enjoy:

• A relationship with a physician founded on compassion

• Electronic Medical Records for secure, immediate access to your family's vital medical records

• Online Patient Portal, which gives you access to your chart information, allowing you to actively monitor your health and communicate directly with your doctor

• Employer services which include drug testing, pre-employment physicals and annual physicals

• Medical appointments available from 8 a.m. – 5 p.m. Schedule online at or call 979.543.2956.

Convenient care with early morning, walk-in care for minor illnesses. No appointment required.
Monday – Friday 7 – 9 a.m.

Meet the Doctors  


 Dr. Zorilla

Carlos Zorrilla, M.D.


 Mazel MHMG El Campo

Anne Mazel, R.N., F.N.P.-B.C.

 Cain MHMG El Campo

Jo Cain, P.A.-C

 Avila MHMG Bay City

Janie Avila, R.N., F.N.P.-B.C.


John Wissinger, M.D.
Internal Medicine

 Dimmick MHMG El Campo

Greg Dimmick, M.D.



Megan Riha, M.S.N., R.N., C.P.N.-P.C.