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Meet the Team
At Tanque Verde Internal Medicine, Dr. Lasala and his team provide exclusive concierge medical services for individuals and families in Tucson, Arizona. We cater to those who want to proactively manage their health in order to achieve their wellness goals. In times of uncertain healthcare costs and resources, you can be sure that when you need medical attention, Dr. Lasala and his team will be just a phone call away.
German Lasala, MD
Board Certified Internal Medicine Doctor
I have been in medical practice in Tucson since 1991 and Diplomat of the American Board of Internal Medicine. I am one of the original founders of Arizona Community Physicians, PC. After years in the company, I decided to start my practice and provide personalized medicine, which has increased my satisfaction and passion for patient care. I also spent 17 years in the research industry performing clinical trials as a principal investigator. I look forward to meeting with you and discussing how to optimize your health.
Daria Lasala, RN, MBA
Registered Nurse, Office Manager
I have been a nurse for the past 24 years, working in the fields of oncology, dermatology, pediatrics, and clinical research. In addition to my nursing degree, I have a master’s degree in business with a focus in healthcare administration. I manage Dr. Lasala’s office, taking care of the insurance billing and other administrative duties.
Diane Thomas, FNP-C
Family Nurse Practioner
I began my nursing career in a pediatric intensive-care unit. After several years I moved into a high-level trauma center and spent the next 21 years as an emergency department nurse. I have also provided services as a home health nurse, a legal nurse consultant, and a flight nurse. My experience in emergency medicine is my motivation to prevent illness and help patients live healthier lives. I want to get to know my patients to answer their questions, provide guidance and be a support partner when there are health issues and concerns to tackle.
I have worked in the medical field for over 30 years. I started working in the concierge practice since its inception. I look forward to taking your call and helping out with your questions and other needs, including appointments and prescriptions.
Certified Clinical Medical Assistant
I am certified as a medical assistant and phlebotomist. I earned my associate’s degree in medical assisting from Brown Macke College in 2013 and joined Dr. Lasala’s practice in August 2014. I perform all the testing for your wellness and physical examinations, including drawing blood; performing EKGs, pulmonary function tests, hearing tests, and ABI; and placing holter monitors and 24-hour ambulatory blood pressure monitors. I am also in charge of making specialist and procedure appointments. I love my job and I show it with a smile!
Danica St. Germain
Clinical Medical Assistant
I am a medical assistant and phlebotomist.