Call Now: (520) 319-5922Address: 4790 E Camp Lowell Dr Tucson, AZ 85712

Mon - Thurs: (9:00 AM to 5:00 PM) Friday: (9:00 AM to 3:30 PM)

About Camp Lowell Cardiology

Camp Lowell Cardiology is committed to providing patients with convenient access to high-quality care. We believe that providing high-quality care is not only about the medical advice that we dispense, but more importantly about the relationships we have with our patients.

Mark C. Goldberg, MD

Dr. Mark Goldberg has practiced cardiology in Tucson since1994. Over that time period, he has participated in a wide range of medical endeavors. Dr. Goldberg served as the Chief Medical Officer at Syncardia (maker of the world's total artificial heart), Micromed Cardiovascular (manufacturer a left ventricular assist device)and Saguaro Clinical Research. Dr. Goldberg directed the Chest Pain Center at TMC from 2011-2018. He has also been the principal investor on 53 clinical research studies.

Dr. Goldberg graduated from the University of Georgia Honors Program with a BS in chemistry in 1983. He attended medical school at the Medical College of Georgia receiving his MD in 1987. Internal medicine residency at the University of Arizona was completed in 1990 (board-certified in internal medicine 1990) and cardiology fellowship at the University of Arizona completed in 1993 (board-certified in cardiology 1993,2005 and 2019, board-certified interventional cardiology 2000 and 2019).

Jessica Hoffman, Certified Nurse Practitioner

Jessica is Board Certified by the Arizona State Board of Nursing. Jessica was born and raised in Tucson and received both her Bachelor’s and Master’s degree in Nursing from the University of Arizona. Prior to working as a nurse practitioner, her experience included working with cardiac patients at TMC and El Dorado Hospital, as well as being a lead Clinical Research Coordinator. She has worked with Dr. Goldberg since 1997.

Marti Gilliam, Certified Nurse Practitioner

Marti is Board Certified by the Arizona State Board of Nursing. Marti grew up in a military family traveling the world before settling in Tucson. Marti received both her Bachelor’s and Master’s degrees in Nursing from the University of Arizona. She has a post-graduate degree as an Adult/Geriatric Nurse Practitioner. She has worked at Camp Lowell Cardiology since early 2009. Prior to that, Marti worked for 23 years at UMC in cardiology, trauma services, and the clinical decision unit.

Rachel Doerr, Certified Nurse Practioner

Rachel is Board Certified by the Arizona State Board of Nursing. She was born in Chicago, IL, and raised in Scottsdale, AZ. Rachel moved to Tucson to attend the University of Arizona, where she received her Bachelor’s in Nursing. She worked as a registered nurse for Carondelet Health Network for 13 years, seven of which she gained valuable cardiac experience as an emergency RN. Rachel received her Master’s in Nursing from the University of Phoenix. She speaks Spanish and enjoys birding, swimming, traveling, and exploring southern Arizona.

Marivic Ashcroft MSN, FNP-C

  • Board certified by Arizona State Board of Nursing
  • Born in Manila, Philippines
  • Graduated with Bachelor’s of Science in Nursing at Far Eastern University, in Manila, Philippines (1997)
  • Worked as an RN in the Pediatrics and Adult Medical Surgical Unit in Manila, Philippines (1997-2000)
  • Moved to the United Kingdom and worked as an RN at Cheltenham General Hospital in the Critical Care and Surgical Units (2000-2005)
  • Moved to Tucson in 2005 and worked as an RN in Post Anesthesia Care Unit at Tucson Medical Center for 10 years.
  • Graduated Masters in Science of Nursing with a post-graduate degree as Family Nurse Practitioner
  • Worked as NP for Arizona Vein and Vascular Center as well as in internal medicine at Mariposa Community Health prior to joining Camp Lowell Cardiology in August 2017

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4790 E Camp Lowell Dr,
Tucson, AZ 85712


Phone:  520-319-5922
Fax:       520-319-6128


M-Th:  9:00am to 5:00pm
F: 9:00am to 3:30pm

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