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Joanne Dinvil-O’Lay, CRNP



“As a nurse practitioner, I strive to provide individualized care by acknowledging each patient's unique needs, educating patients and their families, and providing compassionate and high-quality care."

SPECIALTIES: Primary Care, Adult-geriatrics and Neurology

About Joanne

Joanne is the youngest of six children and grew up in northeast Philadelphia. She moved to Chester County, PA in 2016 after briefly living in Delaware. She earned her BSN from Penn State University in 2012 and her MSN from LaSalle University in 2022.


Joanne has spent the majority of her career working with the geriatric population, and her love of this population is what drove her to get her masters as an Adult Gerontology nurse practitioner. She is also a member if the American Association of Nurse Practitioners (AANP) where she continues to gain knowledge on how to safely and adequately provide care for the adult-geriatric population. 

Joanne lives in West Chester with her husband Matt and four children, their dog Luna, and many chickens. Joanne enjoys reading novels, baking, hiking, and traveling with her family. 

This provider and all staff at Christine Meyer, MD and Associates are fully vaccinated for COVID-19. We strongly encourage all eligible patients to receive the COVID-19 vaccination as well as a flu shot (annually), HPV vaccine, Shingles vaccine, and other preventative immunizations. If you have questions or concerns about the science behind immunizations or the shots you need and when, your provider is eager to help.

Contacting Joanne

Please use our secure patient portal to send Joanne a message directly about your care, or you may call or text the office. For non-medical matters only, provider email addresses may be used; note that for security purposes we do not communicate medical information via email.

Your Care Team

Our care team approach ensures continuity of care and coverage so that you can always see a provider who is working closely with your primary provider. Please know that another provider on Joanne's care team may contact you with test results or follow-ups as needed. Thank you!

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