Martin County Hospital District Mission Statement:  The mission of Martin County Hospital District is to set a new standard of excellence for medical care in our service area. By combining expert knowledge of our staff in their respective fields with compassionate care, we will strive to be the number one provider of primary care.

Pictures courtesy of Sandi Ramsey

MCHD Family Clinic                   
  • Routine and Preventative Care (Infants - Geriatrics)

  • Immunizations

  • Acute Illness

  • School Physicals

  • Women's Health Services

  • Gen Med

  • Workman's Comp Claims

  • Pain Management

Providing you with the best providers for the best care

Dr. Calvin Cargill, M.A. M.D. FAAFP

Dr. Cargill is a graduate of University of Texas Health Science Medical Center San Antonio, Texas with a Master of Arts in Physiology. He was granted acceptance as a Fellow of the American Academy of Family Physicians in 2015 after 25 years of practicing.

Dr. Cargill has been practicing over 28 years, the last two years as the Chief of Medicine for MCHD and the last three years as Medical Director and Physician of MCHD Family Clinic.

Dr. Cargill's patient loyalty is attributed to his caring and gentle manner. He practices with a common sense approach to medicine and tries to always balance between what is reasonable and necessary for a high standard of care. A hug and a kind word are always helpful with medical illness and elderly life issues.

FOR AN APPOINTMENT WITH DR. CARGILL - CALL  (432) 607-3243

Dr. Melencio Juan, M.D.

Dr. Juan is a graduate of the University of Santo Tomas in Manila, Philippines. Dr. Juan completed a post graduate internship in Santo Tomas University Hospital leading him to a staff position at San Antonio District Hospital in Nueva Ecija, Philippines.

Shortly thereafter, he immigrated to the US working in multiple satisfying healthcare positions. In 1999, Dr. Juan completed Family Practice residency training at Whichita Falls Family Practice. Moving to Big Spring in 2001, Dr. Juan practiced Family Medicine in both the inpatient and outpatient setting until accepting a family practice position at MCHD in 2014 where he currently enjoys practicing family medicine and his close patient interaction that a small rural community brings.

Dr. Juan is board certified from the American Board of Family Practice and currently sits a member of the Permian Basin County Medical Society.

FOR AN APPOINTMENT WITH DR. JUAN - CALL  (432) 607-3243

Robin Alvarado graduated from Texas Tech University Health Science Center with a Master's in Nursing and is a member of the American Academy of Nurse Practitioners. Robin is the hospitalist at MCHD and a provider at MCHD Family Clinic RHC. Robin has been a Nurse Practitioner for 8 years and practiced at MCHD for over 6 years with a passion for women's health and primary care.  

Robin's 17 years of nursing has instilled a strong belief that listening to her patients and giving each person the individualized attention they require at any age is the key benefit to care. Robin has a charismatic and practical approach to family medicine and always goes the extra mile for her patients.

FOR AN APPOINTMENT WITH ROBIN - CALL (432) 607-3243

Robin Alvarado, FNP

Megan Chandler is a graduate of Texas Tech University Health Sciences Center School of Nursing where she completed her Masters in Nursing and is a Board Certified Family Nurse Practitioner.  She also completed her undergraduate degree at Texas Tech.

Megan is able to care for all age ranges and this includes wellness exams from birth through the end of life.  She prides herself on providing thorough care and excellent patient satisfaction.  She is confident in managing chronic illness but also more acute care concerns.

 Megan has enjoyed family practice and holds a special spot for pediatrics.

FOR AN APPOINTMENT WITH MEGAN - CALL  (432) 607-3243

Megan Chandler - FNP-C

Linda Wiebe is a graduate of Texas Tech University Health Sciences Center School of Nursing where she completed her Masters in Nursing and is a Board Certified Family Nurse Practitioner. She also received her Bachelors in Nursing from Texas Tech Health Sciences Center.

Linda began her career at MCHD 10 years ago as a med surg nurse where she gained advanced nursing skills. She currently serves as MCHD Chief Nursing Officer and a Family Nurse Practitioner. 

Linda won a national award in 2017 for Leadership. She has a very caring and compassionate which enhances her medical talents. Linda takes pride in providing compassionate care to all ages of life.  

FOR AN APPOINTMENT WITH LINDA - CALL   (432) 607-3243

Linda Wiebe, MSN, APRN, FNP-C