Family owned and operated since 1972


Twin City Pharmacy & Surgical was started by brothers Ralph and Thomas Cassio. As the business grew, ownership transitioned to Sandy Cassio, Thomas Cassio, Jr. and William Ashnault, RPh in 2006.

We take pride in being a modern pharmacy with old fashioned values. You will always be greeted with friendly faces and be treated like family. We take special orders, so you will always find what you need.

We expanded our products and services to provide you with more comprehensive medical care. We now offer Durable Medical Equipment (DME), ostomy care, respiratory care, surgical care, and iMedicare.

Serving our community as a regional hospice pharmacy

Twin City Pharmacy & Surgical is a regional hospice pharmacy, providing medications and equipment needed during the last stage of life. We offer same day service and deliveries for hospice patients.

New Jersey Hospice and Palliative Care Organization (NJPCO) awarded Twin City Pharmacy & Surgical the "Small Business of the Year" 2007 Spirit Hospice Award and the 2010 "Pharmacist of the Year" award.

Meet Our Pharmacy Family

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Sandy Cassio, Tommy Cassio and Bill Ashnault, Owners

Sandy Cassio, along with her cousin, Tommy Cassio, and brother-in-law Bill Ashnault, has run the family-owned business since 2007. They are an active part of the community. Sandy volunteers in many local non-profit organizations and is a board member of the South Plainfield Education Foundation Association. Bill is heavily involved in coaching the South Plainfield reacreational wrestling teams and sits on the PAL Recreation Commission. In addition, he is on the GSPO Board and is a committee member of both the NJPhA and NJSIAA Opioid Task Forces. Tommy is on the Board of Education in South Plainfield. He is also a board member of South Plainfield Jr. baseball club and coaches recreational baseball and basketball.

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Linda Chiu, Senior Pharmacy Manager

Linda is our Senior Pharmacy Manager. She graduated from Ernesto Mario School of Pharmacy at Rutgers in 2011. She is a passionate patient care advocate and avid couponer. She started the Bags of Love campaign to create toiletry care packages for the homeless. Linda also speaks Mandarin.


Cynthia Lee, Pharmacy Manager

Cynthia is our pharmacy manager. She graduated from Rutgers Ernest Mario School of Pharmacy in 2019. She was born in Korea and went to school in PA and NJ. She speaks fluent Korean :)

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Esther Yoon, Staff Pharmacist

Esther is our Staff Pharmacist and started with us in 2017. She was born and raised in Tuscaloosa, Alabama (Roll Tide!) and graduated from the Ernesto Mario School of Pharmacy at Rutgers in 2015. Esther also speaks Korean.

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Miranda Paredes, Senior Tech/Manager

Miranda is our Senior Tech/Manager. She grew up in South Plainfield and is known as MoM (Manager of Managers).


Amanda Zack, Manager

Amanda is our pharmacy manager who joined the Twin City family in 2017 as one of our Certified Pharmacy Technicians.

DME Team

Our DME Team consists of Marissa Van Woert, Rebecca Bianchi, and Jennifer Cassio headed by fearless leader Thomas Cassio.

Chris Kulawiak - Our DME Specialist and transport manager.