Advocacy services are provided by professional Registered Nurses with a passion for helping patients

Guardian Nurses advocacy services are performed by professional registered nurses and social workers who have a passion for helping patients and at least 15 years of experience in nursing and healthcare issues. All of them have outstanding clinical knowledge as well as significant experience managing and coordinating care. Their experience, maturity and knowledge of community resources provide patients and families with the best possible advocate to get them the help they need. You can be assured that each team member is working solely on your behalf and has your best interests in mind. Below you’ll read about some members of our team (those that aren’t camera shy).

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Joanne Berkowitz, RN, CHPN

Nurse Berkowitz began her nursing career in critical care and spent many years in the acute setting before she found her way to palliative care and hospice. She has a solid knowledge of oncology as well as other disease processes and is passionate about guiding and supporting patients.

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Julianne Bonacci, RN

Nurse Bonacci has worked in nursing for ‘only’ 10 years but prior to that she worked in television broadcasting. Her clinical experience includes cardiac care, medical-surgical patients as well as working in an outpatient obstetrics/gynecology office.


Amy Bush, RN, BS, MJ

Nurse Bush has 21 years in nursing working with pediatric patients, both in hospitals and with insurance providers. She also has worked in compliance and regulatory affairs as well as case management.

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Katie Carruthers, RN, BSN, CCM

Nurse Carruthers helps patients with insurance issues, be those issues be claims or appeals or just questions. She has experience in pediatrics as well as adult cardiac care. Her certification in case management came in 2013.

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Alison Christy, RN, BSN

Nurse Christy has extensive experience in nursing, insurance, medical auditing, business management, and expertise in victim advocacy in crisis situations. Living now in a rural, underserved area, she serves in many roles including teaching, coaching, group facilitation, case management, disabilities, mental health and maternal/infant services.

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Jackie Kane, RN, BSN

Nurse Kane is the newest member of our team and comes to us with more than 33 years in nursing.  Her most recent experience was managing a large cardiology physician practice. She has also worked in pediatrics, adult critical care, and nursing management.

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Denise Marceron, RN

Nurse Marceron is our southernmost nurse advocate! She lives in Florida and has 30 years nursing experience. She has extensive background in cardiovascular intensive care, research, elder care, hospice and insurance. Besides encouraging us all to come to Florida, Denise loves making a difference!

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Heidi Petersohn, RN, BSN, CPT

Nurse Petersohn brings more than 20 years of nursing experience starting as an Army Captain and staff nurse at Walter Reed Army Medical Center. Her career includes pediatrics, school nursing, and oncology. More recently, she has worked as a wellness and fitness coach and personal trainer.

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Daniela Pellicciotti, RN

Nurse Pellicciotti is a nurse who joins us with 27 years of diverse clinical experience including pediatrics, eating disorders, transplants, home care, infertility and nursing management. She also has worked in insurance appeals and claims’ work.


Peggy Pierce, RN, BSN

Nurse Pierce, comes to us after 28 years in various acute clinical settings, including the emergency room and later, the cardiac cath lab. She has also worked in nursing education at an urban medical center as well as in nursing management.


Elton Richardson, MSS

Mr. Richardson brings more than 25 years experience to the Guardian Nurses team as a mental health social worker. He is a graduate of Bryn Mawr College where he earned a Master’s of Social Work degree. An active member of his community, he also was elected to the School Board in November 2012.

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Robin Sambuco, RN, BSN

Nurse Sambuco joins Guardian Nurses’ team with more than 15 years of clinical and management experience in pediatrics. She has worked with patients of all ages, though, and feels strongly that everyone needs an advocate–regardless of their age or situation! In August, 2015, she was named as a FINALIST for the 2015 Pennsylvania Nightingale Awards!

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Joanne Simone, RN, MBA

Nurse Simone, Director of Advocacy Services, is our most senior nurse advocate! She was named Patient Advocate of the Year in 2011 by the Dorland Health People Awards. For more than 44 years, she has worked in multiple states and multiple settings, both adult and pediatric, both as a case manager and as a staff nurse. Her broad range of expertise makes her a wonderful resource for patients and families.

Opportunities for RNs

Guardian Nurses Healthcare Advocates is always interested in talking with registered nurses who have a passion for helping patients and a minimum of 15 years of diverse clinical experience. We look for strong backgrounds in clinical knowledge, case management, and/or directly working with patients. If you are creative, professional, computer savvy, can function independently and have a solid knowledge of how to get things done, we would love to hear how you think you could help our team.

Please send your resume to or fax 267-388-3809. We’ll let you know now that due to the volume of inquiries that we receive, we will only respond if your resume reflects the experience and professionalism we need.

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