Mariana Tristao Green, CNM

Mariana Tristao-Green, CNM, MSN joined the team of providers at May-Grant Obstetrics & Gynecology in 2024. She goes by Mari!

Mari completed her undergraduate nursing education in Brazil, her home country, then moved to the United States in 2016 to pursue her career as a Certified Nurse Midwife.

Before becoming a CNM, she worked as a postpartum nurse at a local hospital, and as a Nurse Care Coordinator here at May-Grant. After about 5 years of nursing experience, she went back to school and earned her master’s degree in Midwifery from University of Cincinnati.

She has dedicated her entire career to women’s health, and is passionate about empowering women through their health, pregnancy, and birth journeys. She has special interest in physiological, low-intervention childbirth, as well as lactation, family planning, care of teenage clients, and immigrant population. Mari is fluent in Portuguese, and has advanced level in Spanish.

She lives in Harrisburg with her family. Outside of work, she enjoys spending time outdoors (preferably at the beach), swimming, dancing, traveling, and good quality time with family and friends.

Accepted Insurances

May-Grant Obstetrics & Gynecology participates with the following insurances. Please note that office copays are due at the time of service and any co-insurances are the responsibility of the patient. Please check with your carrier or call our office at 717-397-8177 for an updated menu of insurance options.

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Coventry Health Care
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“I came to May Grant for a second opinion and everyone spent a good deal of time talking with me to understand everything that had happened previously. All of the physicians and staff members were so kind and helpful. The office even scheduled my imaging and follow-up appointment on the same day without me even having to ask.”
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January, 2023

Contact May-Grant

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Please consider the following when booking:

Online scheduling is currently for ESTABLISHED May-Grant patients only. If you are a new patient (GYN or OB), please call the office at 717-397-8177 to schedule your appointment to ensure that your provider has enough time to address your needs.

If you schedule an appointment online as a new patient, your appointment will be canceled and you will not be able to be seen. A “New Patient” includes those who have not been seen in our offices in the past three years.

Additionally, your insurance coverage will be verified when you check in for your visit. Please confirm that we accept your insurance before booking online. If we do not accept your insurance, you will not be seen and your appointment will be canceled.

Each patient is unique, and so is each appointment type!

Online scheduling is currently for ESTABLISHED May-Grant patients only. If you are a new patient (GYN or OB), please call the office at 717-397-8177 to schedule your appointment to ensure that your provider has enough time to address your needs.

If you schedule an appointment online as a new patient, your appointment will be canceled and you will not be able to be seen. A “New patient” includes those who have not been seen in our offices in the past three years.