| Medico Pharmacy & Medical Equipment | 605 N Main St # E - Donna Telephone: (956) 464-2611 Medicaid, Medicare, Most Insurance accepted. |
| Mediforce | - Harlingen Telephone: 956-423-6333 |
| Medina Clinic | 1924 E. Griffin Parkway Ste.B - Mission Telephone: (956) 581-5100 |
| Medina Javier | 1924 E Griffin Pkwy - Mission Telephone: 956-581-5100 |
| Medina's Pharmacy | 1044 W Acacia Ave - Alamo Telephone: 956-702-9009 |
| Mediquip | 3401 N Cage Blvd B - Pharr Telephone: 956-781-1713 |
| Medland Associates Night & Weekend Clinic & Weekend Clinic | 1901 Pease St Suite B - Harlingen Telephone: 956-230-2933 |
| MEDSS Primary Home Care | 4525 E Mile 12 N - Mercedes Telephone: 956-565-9600 |
| Memorial Medical Clinic | 1501 S Closner Blvd - Edinburg Telephone: 956-381-5300 |
| Mercedes Children's Clinic | 208 Starr St - Mercedes Telephone: 956-514-1643 |