Meet Our Staff

Marianne Gibbs, RD LD, CDE

Direct Line: 
(505) 395-3015
Marianne draws upon more than 25 years of experience to offer customized nutrition services as a member of your health-care team at Internal Medicine Specialists (IMS). 

Leah Gonzales

Medical Records

Leah was born and raised in Santa Fe, NM. Prior to being a part of the Internal Medicine Specialists (IMS) team, she worked with the regulation and licensing department, Boards and Commissions Section for seventeen years, leaving as an administrator. She thoroughly enjoys her second career here at IMS, doing finances, medical records, and patient care. She enjoys spending time with her fourteen year old son, who is a track athlete. 

Victoria Lopez

Office Manager

As Office Manager, Victoria has been with Internal Medicine Specialists (IMS) six years and has experience in team development, office proficiency, and management. She was born and raised in Santa Fe and has a eight year old son, whom she loves spending all of her time with outside of work. She looks forward to growing with the IMS team in its future expansions. 

Missy Valenzuela

Front Desk

Born and raised in Santa Fe, Missy has been with Internal Medicine Specialists (IMS) for over three years and enjoys the many duties life at the Front Desk throws at her. She is a proud, new mother of her small daughter and looks forward to clinically working with patients in the future. 

Antonette Lopez

Medical Assistant

Born and raised in Rowe New Mexico, Antonette has been with IMS for five years. She got her medical assistance training at Santa Fe Community College. She loves working and relating to patients on a day-to-day basis and enjoys being a part of the Internal Medicine Specialists (IMS) team. She hopes to one day continue her education to receive an associates in nursing. She has a five year old son and is soon to be married. 

Sandra Chavez

Ultrasound Technician

Sandra was born and raised in Denver City, TX. She has been in Santa Fe for six years and with Internal Medicine Specialists (IMS) for five years. Attended Midland College to obtain her Ultrasound degree. She does US, stress testing and ECP. She enjoys working with her patients. outside of work, she enjoys hiking and is a proud mother three children and grandmother of soon to be eight.

Gladis Macias

Medial Assistant

Born and raised in Mexico, Gladis moved to New Mexico 15 years ago. She received her medical assisting and phlebotomy degrees in California and thrives on helping and caring for patients. She has been with Internal Medicine Specialists (IMS) for nearly five years and plans to continue her education to become an RN. She has two children and dedicates her weekends to attending their swim meets, basketball tournaments, and soccer games. 



James grew up in Santa Fe and attended the University of New Mexico. He has been working as a medical receptionist for five years, and has been with IMS for four months. James currently lives in Rio Rancho and is greatly enjoying his post at the IMS front desk. He also enjoys playing many different sports in his spare time.



Francisco was born in Santiago, Chile, and moved to the US four years ago when he started working as a medical assistant. He is currently in his final semester at UNM earning his nursing degree. Francisco has enjoyed working at IMS for one year as a wellness tech. In his spare time, he enjoys indoor soccer and playing guitar in his band.



Scott was born and raised in Albuquerque, NM. He obtained a Bachelor of Science degree in biology from the University of New Mexico, and he has now been working at IMS for three years. In his first year here, Scott worked for Scribe America as a medical scribe, then he became medical assistant. Scott hopes to attend medical school at UNM, then to continue working in private practice in Santa Fe. In his free time, Scott enjoys snowboarding and backpacking.