IRMS Clark, NJ Fertility Clinic

Make an in-person or virtual appointment

100 Walnut Ave., Suite 104
Clark, NJ 07066

P: (732) 943-7169 F: (732) 943-7179

Office Hours: Mon–Fri: 8:30 am – 4:30 pm
Evening Appointments Available – Wednesday
Monitoring Hours: Mon–Sun: 6:15 am – 9:00 am

Click on the pins to get directions.


The IRMS office in Clark, New Jersey, is located at 100 Walnut Ave., Suite 104, easily accessible off the Garden State Parkway at Exit 135. Under the leadership of Dr. Sarah C. Hessler and Dr. Melissa C. Yih, the office is open Monday to Friday, 8:30 am – 4:30 pm, with morning monitoring hours for bloodwork and ultrasounds from 6:45 am – 9:00 am (doors open at 6:30 am).

Offering both Telemedicine and in-person appointments, the Clark office provides a comprehensive range of fertility treatments, including IUI, IVF, ICSI, PGT, egg freezing, LGBTQ family building, and all forms of third-party reproduction such as egg and sperm donation, and gestational surrogacy. We ensure rapid access to care for all patients, with a commitment to offering cancer patients consultations for egg freezing within 24-48 hours. This approach aligns with IRMS’s dedication to delivering top-quality fertility care promptly and effectively to meet the diverse needs of our patients.



  • New Patients Consultations
  • Follow-up Visits
  • Physical Exams
  • Ultrasounds & Blood Work
  • Intrauterine Insemination Treatment (IUI)
  • In Vitro Fertilization Treatment (IVF)
  • Single Embryo Transfer (SET)
  • Preimplantation Genetic Testing (PGT)
  • Elective Egg Freezing
  • Using An Egg Donor
  • Gestational Carrier

Meet Our Fertility Doctors

Finding the right fertility doctor is not always an easy task when you are looking for a fertility clinic in New Jersey that can accommodate your needs. The doctors at IRMS have a great deal of experience with different fertility issues and we feel confident that we can find a solution that will be best for you. Click on a Doctor for more information about them or to learn how to contact them.

Sarah C. Hessler
Sarah C. HesslerMD
Melissa C. Yih
Melissa C. YihMD
Amy Viray
Amy VirayMSN, FNP-BC


Since its inception in 1995, IRMS has been recognized as one of the nation’s leading fertility centers, providing patients with state-of-the-art treatment, supported by the latest scientific innovations in the field. IRMS has been at the forefront of both inclusion and education of these patient populations so they can manage their reproductive lives. IRMS has earned a stellar reputation for their success rates using SET (Single Embryo Transfer), increasing the efficiency of each IVF cycle. The IRMS team has taken on a significant role as advocates for coverage and access to care, for their own patients as well as through advancing legislation in both New Jersey and New York.

As a part of the CCRM Fertility network, this location is now able to offer its patients the benefit from access to a network of North America’s leading fertility doctors, ensuring top-tier medical care and expertise. Over 100,000 babies have been born thanks to the advanced fertility treatments provided by CCRM. The facility’s research efforts have achieved significant progress in the field of reproductive medicine, underscoring their commitment to innovation and excellence. Furthermore, the exceptional quality of care at CCRM is reflected in the more than 2,000 patients who have shared 5-Star testimonials, highlighting their positive experiences and outcomes.


Currently, IRMS is a participating provider with the following insurers & employer plans:

  • Aetna *Institute of Excellence*
  • Amerihealth
  • Carrot
  • Cigna *Center of Excellence*
  • GHI/Emblem
  • Horizon Healthcare – *Blue Distinction*, *RWJBH Inner Circle Preferred Provider*
  • Magnacare
  • Maven
  • Multiplan – PHCS & Beech Street
  • OPTUM *Fertility Center of Excellence*
  • Progyny
  • Tricare
  • United Health Care/UMR
  • VA Community Care
  • WINFertility
  • 1199SEIU

For services rendered by the Gregori Women’s Center, please refer to their website for their list of participating insurance carriers. For any questions or issues related to GWC, please call 973.322.6200.

If your insurer is not in the list above, we will be happy to check with your insurer to see if you have out-of-network benefits.

Please note: IRMS does not participate with any Medicare or Medicaid insurance plans.


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Tour IRMS Locations

  • IRMS Doctors
  • Livingston Office
  • Staten Island Office
  • Teaneck Office
  • Staten Island Office
  • Old Bridge Office
  • East Windsor Office
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