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Our Medical Staff:


Lawrence Liszewski, M.S., D.O.
Dr. Liszewski recently joined our medical staff at the Allergy & Environmental Treatment Center in Scottsdale, Arizona.

 

He received his medical training and degree in Osteopathic Medicine from Midwestern University-Chicago. He is Board Certified in Family Medicine. He also holds a Master of Science Degree in Microbiology and Public Health from Michigan State University, East Lansing, Michigan. His undergraduate training was in pre-med at Aquinas College in Grand Rapids, Michigan.

 

He has practiced in the Valley for over 10 years and is affiliated with several Valley hospitals. His practice covers a broad patient base including children, adolescents, young and middle-aged adults as well as the geriatric population.

 

Dr. Liszewski’s scope of practice includes hypertension, diabetes, lipid disorders, and various musculoskeletal disorders. He does have a special interest in environmentally related illnesses and diseases.

 

Dr. Liszewski is a member of several state and national professional organizations and he is currently a state delegate for the Arizona Osteopathic Medical Association.

 

Dr. Liszewski is fervent about helping people successfully address their allergy symptoms, utilizing state of the art allergy testing and treatment modalities so that they may lead a healthy and productive lifestyle. Dr. Liszewski’s philosophy of health care is early detection, prevention, and early intervention in order to prevent serious and life-threatening illnesses. He is an advocate of a proactive healthcare treatment plan which includes patient, physician, and various support systems as dictated by each individual’s health care needs. Dr. Liszewski’s background, experience, and expertise bring to our Clinic an important aspect of comprehensive integrated healthcare.

 

Our Clinic is dedicated to treating each patient as an individual and individualizing the healing protocols that are necessary and integral to good health and a true sense of well being.

Dr. Liszewski, as well as all of our providers, is accepting new patients.


Call Dr. Liszewski at 480.634.2985


Sharon Gwozdek, R.N., B.S.N

Sharon Gwozdek, R.N., B.S.N

Sharon is passionate about her work and the outcomes she achieves by helping people find relief from their allergy symptoms. Her motto: “Seek a Solution – Not a System!”.  She has worked with corporations, school systems, and government  to educate their employees on  "How to incorporate a healthier lifestyle". In addition, she has given numerous lectures on all aspects of health, disease, and environmental issues to healthcare professionals at hospitals and to professional organizations and other interested groups.

 

Sharon is a graduate of The University of Michigan, Ann Arbor School of Nursing. Subsequent to her graduation, she continued her education with advanced training in Environmental Medicine under the direction of Dr. William J. Rea, an internationally known and respected physician, educator and authority in all aspects of environmental health and disease.

 

After completing her advanced Environmental Medicine course work through The American Academy of Environmental Medicine, she applied her knowledge and experience and trained in the development of preservative-free antigens and developed an essential skill using these antigens regarded as one of the BEST in allergy testing utilizing state-of-the-art allergy testing methods.

 

Sharon is the founder and owner of Allergy & Environmental Treatment Center.


Call Sharon Gwozdek, at 480.634.2985

 


Ruey Hwa Yang, C.R.N.P. Nurse Practitioner

Ruey earned her BS in nursing at Arizona State University in Tempe in the early 70's. In 1980, after several years of nursing practice, she went on to complete her Master's work from the University of California, Los Angeles with a major in Primary Care Medicine in an ambulatory environment to become a Nurse Practitioner.  In that capacity, she worked for USC and Kaiser Permanente in California, and FHP and North Phoenix Medical Center in Arizona. 

 

Ruey is an experienced, highly skilled nurse practitioner adept at acute care, preventive medicine, and care for chronic illness.   She is a valued member of our medical team.


 

 


Rochelle Kirkey, LPN

Rochelle earned her Associates Degree and LPN designation from Mesa Community College in Mesa, Arizona in 1997. Rochelle's career spanned 22 years with a private OB/GYN practice prior to joining the AETC Medical Team. The knowledge and skills Rochelle acquired from her health care experiences are invaluable to AETC and its patients. From administration to practical nursing skills, Rochelle is a valued member of our medical team. A long time resident of Arizona, Rochelle is an avid reader and loves the outdoors and hiking.

 

 

Ronnie Welch, LPN

Ronnie recently joined us here at the Allergy & Environmental Treatment Center and quickly distinguished herself as a valued member of our medical team. She is a highly skilled and competent Licensed Practical Nurse whose depth of experience at hospitals, clinics and physician offices gives her an unique perspective greatly appreciated by co-workers and patients alike.  Ronnie’s day consists of assisting with nursing duties, preparation of antigens and various administrative functions as necessary.


A valley resident for the last 17 years, Ronnie came originally from Connecticut where she received her nurses training.

 

Cassie Weber, LPN

Cassie Weber joined our medical team in May 2011. She earned her Associates Degree and LPN designation from the Fayetteville Technical Community College in 2009 during her husband’s service with the U.S. Army. Upon his discharge from the Army, they returned to Arizona.

She expects to complete her B.S. Degree in 2012 from the Western Governors’ University, an on-line college program for working adults.

 

While Cassie’s initial work was in a General Medicine setting, her primary interest is specializing in the care, treatment and education of allergy patients.

 

You can expect to find Cassie preparing antigens, conducting testing and educating patients on the ins and outs of managing their treatment protocols. She is a firm believer in patient education and its beneficial impact on patient health and well-being.

 

Laura McKay, BS - Health Educator

Laura is our Health Education instructor for various programs that are offered here at the clinic.

 

Specifically, Laura... 

  • Works one-on-one with patients to develop a workable meal planning strategy designed to mitigate their particular food allergies.

  • Educates patients one-on-one and in group settings about rotary diets and the avoidance of allergenic foods

  • Locates food products to accommodate individualized food allergy menu plans

  • Functions as the "go to" resource for answers to patient questions concerning meal planning and rotational dieting.

  • Provides encouragement to patients that fosters compliance while creating an atmosphere for success.

She holds a Bachelor of Science degree from Arizona State University in Exercise Science and Wellness.  Her practical experience and enthusiastic delivery as an educator is unique and refreshing.

 

Jana Bonifasi, Billing Manager

Jana Bonifasi, Billing Manager

With over 10 years of experience as a Medical Billing Manager, Jana is responsible for The Allergy Environmental Treatment Center's billing department as well as the administration of our clinic's healthcare compliance requirements. She is a certified medical coding and healthcare compliance expert.

 

Jana is highly regarded by our patients as an excellent resource in assisting them as they navigate various insurance and billing issues associated with their care.

 

E-Mail: Billing Department

 


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