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About Us


Sherry Verostko-Slazak, ANP-BC

Sherry Verostko-Slazak, ANP-BC has been a primary care provider treating adult patients for over 25 years. In 2018, she opened Advanced Integrative Care, an independent integrative medical practice, incorporating nutrition, dietary supplements, and herbal remedies with traditional medicine. She has been certified by New York as a Medical Marijuana Certification Provider since launching Advanced Integrative Care.

Marlene Rogers, FNP - BC

Marlene Rogers is a Nurse Practitioner in Family Health delivering compassionate healthcare to patients in Western New York since 2011. Her practitioner experience consists of serving as a primary care provider (PCP), providing house calls for patients with multiple chronic conditions at home, and treating opioid-dependent patients in both the private and clinic settings.

Barbara Tytka, RN

Barbara Tytka is a compassionate and dedicated Registered Professional Nurse for twenty-four years who has cared for patients in a medical surgical hospital setting, urgent care facility and an integrative holistic practice. Barb is devoted to the advancement of alternative and integrative therapies, and educating and guiding patients in their decisions to meet their healthcare needs.

Renee Peterangelo, RN

An infusion nurse, Renee is vastly knowledgeable about ozone therapies and specialized alternative IV protocols. Throughout her years of nursing, she has empowered her patients through her compassionate care. Her dedication and holistic approach help them to attain their highest health care goals-- the results of which, are her greatest joy.

Vicky Leader, LPN

If you're an IV patient, chances are you are well acquainted with Vicky. She brings over 20 years of experience as an LPN and previously worked in Pediatrics. She is also a Certified Essential Touch practitioner-- first providing Essential Touch Therapy to First Responders and veterans to help them ease the stress, anxiety, and PTSD in their daily work, but now bringing it to the benefit of the rest of us!

Shannen Gleason

It is likely that it is Shannen, one of our Patient Experience Coordinators, who will first greet you by phone or at our reception desk. Like us, you'll be drawn to her sunny smile. However, it's her creativity, attention to detail, willingness to help, and administrative skills that make her a valuable resource for us, our patients, and our visitors.

Our Mission and Vision


Providing exceptional care to our patients by creating partnerships for a lifetime of optimal healing


We are the future of medicine!

Professional Affiliations

A Culture of Commitment

Commitment is in our blood. Whether to our families, friends, and neighborhood communities; to our country, those who serve, or places of worship; to our patients, vendors, and supporters– we show up. Additionally, we are committed to a culture of learning, growing, and sharing.

Professional affiliations help us stay connected, current, and on the cutting edge of advancements in integrative health, health and wellness, and medical communities. We are honored to hold membership in the following organizations.

sdp 61

Speaker's Bureau

If you’re interested in having Advanced Integrative Care share about the future of medicine and our expertise for your organization, fill out the form below and we will be in contact! 

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