Dr. Chrystyne Olivieri, DNP

Dr. Chrystyne Olivieri, DNP

Diabetes Educator Registered Nurse

15 Bellemeade Avenue
Suite 11
Smithtown, NY 11787

Overall rating

Top reviews

Chrystyne was very knowledgeable and I think we will be able to work together to lower my A1C by lowering my carb intake but I am not a fan of adding animal protein to my plant based diet. We will see how my numbers look in 3 monShow moreths!

Deborah F • July 18, 2026

Dr. Olivieri is a brilliant and unique practitioner who is excellent at identifying and correcting patients' specific issues effecting health and wellness. As a health professional and as her patient, I strongly encourage diaShow morebetic patients to see Dr. Olivieri. She is also very compassionate.

Louise Z • August 26, 2026

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About Dr. Chrystyne Olivieri, DNP

Dr. Olivieri is a Faculty member of Sacred Heart University School of Nursing as of September 2022. She did her undergraduate BSN at Molloy College in 2001, Masters FNP at LIU 2004 and DNP at Stony Brook University 2015. She is ANCC board certified NP since 2005. She opened her own private medical practice January 2020 in Northport, NY. She sees patients with all forms of diabetes and other metabolic disorders. She maintains hospital privileges (as a NP in her own practice) in the Northwell Hospital system since September 2020 (the first to achieve this in Northwell). Her practice just achieved formal recognition from the ADA (American Diabetes Association) as a site of excellence in Diabetes Education and Support January 2023. She just came off the board of directors of the CBDCE (Certification Board of Diabetes Care and Education) after a 4-year tenure.

Location

Chrystyne Olivieri, NP Family Health PLLC

15 Bellemeade Avenue
Suite 11
Smithtown, NY, 11787


More About Dr. Chrystyne Olivieri, DNP

Practice

Chrystyne Olivieri, NP Family Health PLLC

Specialties

  • Diabetes Educator Registered Nurse

NPI Number

1801054226

Provider's Gender

Female


Background and Education

Years practicing

24 years


Reviews

5.0
73 Reviews

My diabetes is so much better since seeing Chrystyne Olivieri NP. I use a glucose monitor and her kind and informative approach makes me feel cared for. I have learned so much from her and am glad I found her to treat my diabetes.

Trudy Z • September 26, 2026

Wonderful and caring about your health. I have been improving every week and thankful for her in guiding me the right way to eat.

Donna G • September 12, 2026

Chrystyne Olivieri cares big time for patients and gives caring insight and advice.

Edna H • September 01, 2026

Dr. Olivieri is a brilliant and unique practitioner who is excellent at identifying and correcting patients' specific issues effecting health and wellness. As a health professional and as her patient, I strongly encourage diabetic patients to see Dr. Olivieri. She is also very compassionate.

Louise Z • August 26, 2026

One of a kind Doctor, she really cares and is so informative. I am going to be much healthier having found Dr. OIlivieri

David T • August 20, 2026

Dr. Chrystyne is extremely knowledgeable about diabetes and weight control. If you need help getting your sugars in control, she is the one to see. She's also recognized by the American Diabetes Asspcistion

Rosemarie C • August 20, 2026

Well organized and helpful.

Robert A • August 12, 2026

She always inspires me

Evelyn P • July 31, 2026

Excellent with details

Lewis B • July 21, 2026

Chrystyne was very knowledgeable and I think we will be able to work together to lower my A1C by lowering my carb intake but I am not a fan of adding animal protein to my plant based diet. We will see how my numbers look in 3 months!

Deborah F • July 18, 2026

Dr. Oliveri is very knowledgeable, kind, understanding and helps direct you to help heal yourself. She's extremely remarkable in her health knowledge and she shares that with her patients.

Rosemarie C • June 30, 2026

Good Doctor

Daniel M • June 27, 2026

Dr Chrystyne is a very caring Dr. she has got me on track with my diabetes and I feel so much better. Couldn’t have done this without her

Donna G • June 27, 2026

Wonderful Dr listens doesn’t rush you out explains everything so you can understand

Peter C • June 25, 2026

Dr Olivieri is one of the best doctors I have ever encountered--individual attention, counseling, medical advice--all first rate! Highly recommend!

Amy J • June 25, 2026

Dr. Olivieri is a true gem…..kind, caring, thorough, knowledgeable, never makes a patient feel rushed. Explains everything in a way that is easily understood. Highly recommend her!

Group P • June 18, 2026

She motivates me with real science!

Evelyn P • May 30, 2026

Dr Oliveiri is very informative and helped me develop a plan for healthy eating, cutting sugar in my diet and overall wellness. She is encouraging and inspirational and I look forward to working with her over the coming months.

Mary B • May 30, 2026

I’ve lost 30+ lbs since I started seeing Dr O in Nov 25 With NO supplements ! She has taught me a lot about nutrition and whats good bad and ok . Extremely knowledge and super positive ! Could not have done it without her !!

Gregg D • May 26, 2026

I found Dr. Olivieri to be someone who really listens and reflects my concerns. Here knowledge of my situation is unmatched. I am thankful have had the chance to spend time with her and look forward to our next meeting.

Thomas M • May 23, 2026

Chrystyne was very thorough and patient. Obviously knew what she was speaking about and gave excellent direction going forward.

Lewis B • May 15, 2026

I always finish motivated! She's compassionate, but strict. She sticks to the simple truth.

Evelyn P • March 28, 2026

Knowledgeable, listens carefully, has great insight, addresses all my concerns, asks my input, and is concerned about keeping me healthy.

Rosemarie C • March 28, 2026

Dr Olivieri is very knowledgeable and truly cares for her patients. I would highly recommend her!

Randall S • March 20, 2026

She is very professional and caring as an Endocrinologist. She has been excellent at helping me to manage Diabetes, as well as helping me to get a handle on the weight that I have gained back after losing it.

Betty G • March 17, 2026

I am still on track to lose weight even though I'd hit a snag. The doctor provides me with the direction and the encouragement.

Evelyn P • March 01, 2026

Never before have I ever experienced a doctor so passionate about her field, Dr. Olivieri has me so motivated to follow a plan to wellness. I attribute all of my progress to her teachings.

David T • February 06, 2026

Very well versed in what she teaches

Steven D • January 31, 2026

Dr Olivieri is always on time, cheerful but cautionary. I'm pretty stubborn and she's getting me to change my habits! There's no gimmicks involved in this hard work!

Evelyn P • January 26, 2026

Dr Olivieri is the consummate medical professional and physician-her knowledge and desire for research is exceptional-she spends time and gives excellent advice

Amy J • January 09, 2026

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