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Board-Certified Nurse Practitioner Marianne St. John

Now Accepting New Patients

New Day.
New You.

New Outlook
on Life.

Health & Wellness Services

Health & Wellness Services

Addiction Treatment


Pain Management





Occupational Health


Medical Marijuana

Marianne accepts a variety of insurances, please call the call office to schedule an appointment and at that time we will verify your insurance with you. If you are a Private pay patient, you are charged the Medicare reimbursement fee as a kind service of the practice. 

Meet Marianne

Board Certified Family Nurse Practitioner-  ANCC  (American Nurse's Credentialing Center)

Marianne St. John is an Advanced Practice, Board Certified Family Nurse Practitioner who has over 35 years of extensive nursing experience, working with a variety of patient populations. Marianne has discovered her passion for treating patients who suffer from Addiction and Pain.


Marianne will go to great lengths to support and understand your individual needs and get to know you as a person. She will act as an active partner in developing the best plan of care for you. Herself and her team are committed to leading the practice with honesty, integrity and compassionate care to ensure you have a positive experience that helps you on your journey to a healthier lifestyle.

Marianne is a Board-Certified Medical Examiner and offers the following Occupational Health Services: DOT exams, physicals, PPD, Audiometer hearing tests, CCF Urine drug screens and B.A.T.'s.


Outside of the office Marianne enjoys spending time with her husband, her two adult children and her two dogs. Mariannes hobbies include yoga, weight lifting, walking, playing the piano, watching the Bills and Yankees Win!

  • Graduated Magna Cum Laude at the Baccalaureate & Graduate level

  • Member of Sigma Theta Tau Honor Society

  • Member of the American Addiction Society.

  • Member of the American Society of Pain Management.

  • Member of the WNY Nurse Practitioner Association.

  • Volunteer University of Buffalo MSN to DNP committee

  • Awarded policy making scholarship to Washington DC through the AANP association

"I believe in standing up for my patient's providing a non judgemental space, while advocating for my patients to remove the stigma of addiction". 

I practice an interdisciplinary approach to treatment which includes seeing each person for who they are. "I take the time to listen to my patients and coordinate with other specialists and family members to provide the most comprehensive and ethical care possible."


Psychology Patient

The Journey Towards Your

Best Self Starts Today.

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St. John NP in Family Health PLLC

2809 Wehrle Drive, Suite #1 Williamsville, NY 14221

Appointments Call: 716-245-4431  

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