Our Psychiatric Nurse Practitioners

Jannet Harkins PMHNP-BC, FNP-BC is a Psychiatric Mental Health Nurse Practitioner and Family Nurse Practitioner board certified by the ANCC and sees patients including children, adolescents and adults. 

Jannet completed her undergraduate degree at Niagara University followed by her training as a Psychiatric Mental Health Nurse Practitioner and Family Nurse Practitioner at D’Youville College in Buffalo NY. Jannet Harkins has an interest in treating patients with a variety of issues and has experience working in adult psychiatry, adolescent psychiatry, emergency psychiatry, and chemical dependency. She has worked for the BryLin Hospital, Eastern Niagara Hospital, and Erie County Medical Center. Jannet is also an adjunct faculty member at Niagara County Community College and Trocaire College. In her free time, she enjoys yoga, reading, binge watching the newest Netflix series. 

Jannet is available for appointments for children, adolescents and adults.  To schedule an appointment with Jannet Harkins PMHNP-BC, FNP-BC please call 716-886-5493.  


Patricia Leone practices as a psychiatric nurse practitioner and joined Dr. Hashim in January 2014. Ms. Leone treats both child & adolescents as well as adults in the outpatient setting as well as in the inpatient setting. She holds admitting privileges at Eastern Niagara Hospitals in Lockport New York and devotes her knowledge and experience to the acute inpatient child & adolescents in need of being hospitalized for their mental health. Patricia offers her patients treatments appropriate for the presenting mental health issues and utilizes either pharmacological interventions or therapeutic treatment options and often combines both into her patients treatment plan. 

Krystal Osinski PMHNP is a western new York native, a psychiatric mental health nurse practitioner certified across the life span available for psychiatric evaluations and follow up visits with children, adolescents, and adults. Krystal completed her undergraduate from Niagara County Community College followed by her Bachelor’s of Science in Nursing at Daemen College.  She continued to pursue her passion for psychiatric nursing by attending D’youville College and completing her training as a psychiatric mental health nurse practitioner. Krystal has an interest in treating patients with mood disorders, anxiety, PTSD, ADHD, Schizophrenia and other related disorderswhile using a holistic approach. Krystal has extensive experience working in psychiatry both in the emergency and inpatient setting as staff nurse and charge nurse at Niagara Falls Memorial and ECMC in both the inpatient setting as well as CPEP and is available for appointments March 1, 2021. In her free time Krystal enjoys making annual trips to NYC to attend plays with her daughter, spending time with her daughter and new puppy, and never turns down a chance to spend some time shopping. To schedule an appointment with Krystal Osinski PMHNP please call 716-886-5493.


Jasmine Solomon is a psychiatric nurse practitioner who completed her bachelors in nursing from D’Youville college and went on to Stony Brook University to earn her masters as a psychiatric mental health nurse practitioner. Ms Solomon has 8 years of experience as a nurse inpatient on the psychiatric units Buffalo General Hospital and Niagara Falls memorial in patient psychiatric unit. She is available for psychiatric evaluations, follow up visits of medication management and psychotherapy and is accepting appointments from March 2020. Jasmine treats a wide range of mental health disorders including depression, anxiety, ADHD, mood disorders, PTSD, OCD across the lifespan. In her free time she enjoys spending time with her family.

To schedule an appointment with Jasmine please call 716-886-5493.



 Bio Available Soon.

To schedule an appointment please call 716-886-5493. 

Now Accepting New Patients

If you are in need of a psychiastrist contact us today.
We can accept most new cases within 2-3 weeks!

Our Location

5904 Sheridan Drive
Willamsville, NY 14221

Office Hours

Monday - Friday: 8:00am - 6:00pm
Closed Saturday and Sunday