Welcome to Rio Grande Medicine

Accepting New Patients!

Rio Grande Medicine is committed to excellence in healthcare, serving the primary needs of Valley families through diagnosis, treatment, and preventative medicine.

We offer diagnostic tests that help us identify early stages of heart disease, risk for heart attack, stroke, diabetes, arthritis, and other conditions – often before you experience any symptoms.

Hours of Operation

Office Hours are: Monday through Friday, 8:00 AM to 5:00 PM. Requests for non-urgent appointment desk can be reached at 956-421-2757 from 8:00 AM to 4:30PM.

Extended Hours 8:00 am - 8:00 pm
(extended hours subject to change, please call our office @ 956-421-2757)

If you need to cancel an appointment, please call the appointment desk. Please contact us AS SOON AS POSSIBLE so that the appointment can be offered to other patients.

After Hours Care (956-421-2757)

If you or your loved one become ill after office hours or on a holiday. One of our physicians is always available by telephone 24 hours a day. Please call our office, and the answering service will be able to contact us to assist you.

lf your after-hours call has not been returned within one hour. Please call again to make sure that the message and correct phone number have been conveyed.



" Our goal is to be your partner in healthcare by serving as your medical home. We are committed to make available to you a personal physician who provides for all of your healthcare needs and coordinates your care across all settings, including the medical office, hospital, clinics, testing facilities, and other places where you receive healthcare"

Rio Grande Medicine offers an extensive array of services to meet all of your healthcare needs. Check the various links for more information on services, staff and patient information. Don’t wait - learn more now about how we will deliver the knowledge you need to live a longer and healthier lifestyle! - Learn More

Our Providers


Julio A. Saviñon, MD

Dr. Saviñon is Board Certified Internal Medicine Physician. He is also Board Certified by the American Board of Obesity Medicine.

See Biography

Maricruz Rivera-Bloomquist, MSN, FNP-BC

Maricruz Rivera-Bloomquist is practicing the profession she enjoys, with Dr. Julio Savinon, MD / Internal Medicine in Harlingen.

See Biography

Kady Marie Vega, MSN, FNP-C

Kady Marie Vega born and raised in Harlingen, Texas graduated from Harlingen High School in 2004.

See Biography

Front Desk: 956-421-2757 | 8:00am to 4:30pm

Fax: 956-421-2787
Answering Service: 956-421-4887

Office Hours: 8:00am - 5:00pm | Monday-Friday