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Reliant Medical Group Phone number for Reliant Medical Group: (800) 283-2556

Reliant Medical Group patients are provided with state-of-the-art evaluation, diagnostic testing and treatment for infertility through our partnership with the Boston IVF. Boston IVF is the 5th largest provider of fertility care in the U.S. and is a member of the national network of Attain Fertility Centers (AFC) consisting of over 185 fertility doctors working at over 125 locations nationwide. AFC doctors perform about 25% of all assisted reproductive procedures in the United States each year. We are very pleased to bring the benefits of Boston IVF’s cumulative expertise and advanced practices to Reliant Medical Group patients.

You’re not alone.

Current statistics report that 1 out of 5 couples have trouble getting pregnant for a variety of reasons. Knowing why you’re having a problem is the first step and will determine which fertility solutions are best for your needs.

It is advised that women under 35 years of age who have been trying to get pregnant for a year without success should consult a fertility specialist physician (a Reproductive Endocrinologist). Women over 35 who have tried to get pregnant for six months without success should also see a specialist.

Why is Boston IVF at Reliant Medical Group your best choice?


  • Decades of experience (founded in 1988)
  • Member of Attain Fertility Centers; the largest network of fertility centers in the United States


  • Consults available locally at Reliant Medical Group inside the Worcester Medical Center
  • In-Cycle monitoring locally

Best Practices for Success

  • Consistently high pregnancy and live birth rates
  • Dedicated to achieving safe and healthy pregnancies
  • Low average embryos transferred
  • Fewer multiple pregnancies (twins or more)
  • Fertility Yoga and Mind/Body health program
  • Staff Psychologist and Social Worker


  • Exclusive provider in New England of the ATTAIN IVF programs (Attain IVF Refund and Attain Multi-Cycle Discount) to help make treatment more affordable for many couples.

If you are having trouble becoming pregnant, we’re here to help. Talk to your physician or call us at (800) 858-4832 to learn more about how we can help you achieve your goal of starting a family.

Boston IVF Fertility Specialists

Samuel Pauli, MD
Board-Certified Reproductive Endocrinologist

Dr. Samuel Pauli is a board-certified Reproductive Endocrinologist and infertility expert.  He specializes in all aspects of infertility care.

He completed his fellowship training in Reproductive Endocrinology and Infertility at Emory University School of Medicine in Atlanta.  A graduate of Columbia University College of Physicians and Surgeons medical school, he conducted his residency in Obstetrics and Gynecology at Yale New Haven Hospital.  Dr Pauli also holds a B.S with Honors and Distinction from the University of Wisconsin where he majored in Molecular Biology.

Dr. Pauli is a highly skilled and sought-after clinician and is the recipient of numerous awards including a “Forty Under 40” award-winner by The Worcester Business Journal.  He has also been named one of Boston’s Top Docs and selected as a Castle Connolly Top Doctor.  In addition, Dr. Pauli was been recognized for his excellent patient care by being awarded the “Patients’ Choice Award” and “Compassionate Doctor Award” which recognize top doctors and those that provide exemplary care, respectively.   These awards are determined based on the reviews and ratings of patients and are awarded to less than 5 percent of all doctors nationwide.

Dr. Pauli’s current professional memberships include – American Society for Reproductive Medicine, Society for Reproductive Endocrinology and Infertility, Society for Assisted Reproductive Technologies, and the New England Fertility Society.  Dr. Pauli has a long history of being active in both basic science and clinical research during his training and his current interests include clinical trials and product development related to advancing infertility treatment.  He has also contributed numerous publications to the field of women’s health in high-impact research journals, abstracts, book chapters, presentations at national meetings and research awards.

Samuel C. Pang, MD
Medical Director, Board-Certified Reproductive Endocrinologist

Dr. Pang is subspecialty board-certified in reproductive endocrinology and infertility by the American Board of Obstetrics and Gynecology. He completed his residency in obstetrics and gynecology at the University of Toronto, in Canada, and successfully completed a fellowship in reproductive endocrinology and infertility at the UCLA School of Medicine in California. Prior to joining RSC in 1993, Dr. Pang was Assistant Professor of Gynecology and Oobstetrics at Loma Linda University School of Medicine in California. He served as chief of obstetrics and gynecology at the Deaconess Waltham Hospital.

Dr. Pang is a Licentiate of the Medical Council of Canada, as well as a diplomate of the National Board of Medical Examiners in the United States. He was president of the Boston Fertility Society in 2001. He has conducted research and been published in the areas of menopause, infertility and andrology, and has a special interest in the management of male infertility.

Kim Thornton, MD
Reproductive Endocrinologist

Dr. Thornton is double board-certified in Obstetrics and Gynecology/Reproductive Endocrinology and Infertility. She specializes in all aspects of infertility care.

Specific interests include treatment of couples with unexplained infertility, women with anovulation, fertility preservation/egg freezing, recurrent pregnancy loss, and third party reproduction.

Dr. Thornton is the Medical Director for Boston IVF, the Worcester Center.  Dr. Thornton an Assistant Professor in the Department of Obstetrics, Gynecology and Reproductive Biology at Harvard Medical School.

Dr. Thornton received her medical degree from Case Western Reserve School of Medicine, completed her residency in Obstetrics/Gynecology at Wayne State University School of Medicine, and her fellowship in Reproductive Endocrinology and Infertility at Yale School of Medicine.

Dr. Thornton is an active member of the American Society of Reproductive Medicine and has served on numerous committees. She is also an active member of the American Congress of Obstetrics and Gynecology, New England Fertility Society and the Obstetrical Society of Boston and National Medical Association. Dr. Thornton has worked as a clinician in reproductive medicine for over 25 years. She is a dedicated educator, and is actively engaged in the education of medical students, residents and fellows. She has written numerous chapters, articles and abstracts, as well as multiple book chapters.

Dr. Thornton is the proud mother of a daughter who will be entering college in the fall of 2020.  When not practicing medicine, Dr. Thornton engages in a variety of community service activities, loves to travel, entertain and attend theater performances and concerts.


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