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The Office

For over 25 years, the doctors of Northpointe Obstetrics and Gynecology have provided trusted health care to the women of the Blue Water area. At last tally, our doctors have delivered over 10,000 babies! Our providers are board certified specialists in obstetrics and gynecology so you can be confident we are experts in the unique health care needs of women.

With offices in Port Huron and St. Clair, Michigan, we provide compassionate, comprehensive women’s health care in a comfortable, welcoming setting.

Our Core Values

At Northpointe Ob/Gyn, we understand that women's healthcare needs extend beyond the routine "annual exam".

Competence

We commit to providing an exceptional quality of care. We continually seek to improve our delivery and support of women’s healthcare.

Compassion

We recognize the trust our patients place in us to care for them as we would our own family members. We commit to providing compassionate, empathetic care.

Community

We advocate for better health for women in our community. We value, respect and engage our unique differences, enhancing our commitment to provide care to our diverse community.

Statement of Inclusivity

We recognize and endorse the diversity of the individuals and families we care for. We commit to providing obstetric and gynecologic care to our patients regardless of race, ethnicity, religion, sexual orientation or gender identity.

Our Providers

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Karen Niver M.D. F.A.C.O.G.

As the founding partner of Northpointe Ob/Gyn, Dr. Niver has been practicing obstetrics and gynecology in the Blue Water Area for over 25 years. She completed her residency at William Beaumont Hospital system and is board certified by the American College of Obstetrics and Gynecology. Dr. Niver specializes in obstetrics and is an accomplished and sought after vaginal surgeon. An active member of the community, she is currently on the board of trustees for St. Clair Community College. Dr. Niver is a certified Botox and Juvederm provider.

“We would like to thank you for yet another amazing experience bringing our baby boy into the world! From our first appointment to the day he was born, you made us feel safe, comfortable and special every step of the way”

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Jon Lensmeyer M.D. F.A.C.O.G.

Dr. Lensmeyer is board certified by the American College of Obstetrics and Gynecology and has been practicing in Port Huron for over 20 years. He completed his residency at University of Wisconsin-Milwaukee. Dr. Lensmeyer specializes in obstetrics and gynecologic surgery, including minimally invasive surgery using the DaVinci Robot. Dr. Lensmeyer is Vice Chief of Staff at McLaren Port Huron Hospital. He is married and is the father of 3 daughters and several french bulldogs.

“I can’t begin to thank you for not only taking good care of me and my baby through this pregnancy, but making me feel better and treating me like family through my previous miscarriage. I truly appreciate all you’ve done.”

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Amanda Hurtubise M.D. F.A.C.O.G

Dr. Hurtubise is a native of Michigan and has been practicing Ob/Gyn in Port Huron since 2006. She is board certified by The American College of Obstetrics and Gynecology having completed her residency at the University of Wisconsin. Dr. Hurtubise’s areas of interest include bioidentical hormone replacement therapy and wellness and has been a certified BioTE provider since 2016. She is currently serving on the Board of Directors of McLaren Port Huron Hospital. Dr. Hurtubise is married and a mother of three.

“You are truly amazing! I am so grateful for the care I have received during my menopause process. The pellets have worked so well, I feel like myself again. To have a doctor listen to me and have a solution to my issues I’m so appreciative. Thank you.”

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Stacey Tremp DO, F.A.C.O.O.G

Dr. Stacey Tremp joined Northpointe Ob/Gyn in July, 2017 and is a native of Port Huron. She received her medical degree from the New York College of Osteopathic Medicine and her undergraduate degree from Michigan State University. Dr. Tremp enjoys being a part of women's lives and has a special interest in performing robotic-assisted, minimally invasive surgeries, urogynecology and obstetrics. Dr. Tremp is a certified BioTE provider. Involved in training future physicians as a board examiner for the American Osteopathic Board of Obstetrics and Gynecology (AOBOG). Married with two sons and a daughter. Dr. Tremp enjoys the outdoors, skiing, and spending time with her family.

“Our family wants to express our gratitude for you and your wonderful care over the past year, especially through our first pregnancy and childbirth experience. Your incredible patience and kindness along with the perfect blend of being both professional and personable, has been so appreciated and helpful along our journey.”

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Jenny Giles PA-C

Jenny is rejoining our team after playing a pivotal role as dean of Health Sciences at SC4. Jenny received her Master of Science in Medicine from Western Michigan University and has had training in women's health care. Jenny is certified by the National Commission on Certification of Physicians Assistants (NCCPA). She is a certified BioTE provider. Jenny is a devoted mother of two beautiful girls and is very family oriented.