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Catherine Costa Gardyn, Nurse Practitioner
Psychiatry in Melville, New York

Catherine Costa Gardyn, Nurse Practitioner

Specialties:
Anxiety Depression/feeling down Panic attacks Self-esteem Stress management +36
Gender Identity: Female (She/Her)
Ages Served: 18-74
Appointments: In-office and Online
Manages Medications: Yes
Accepts Insurance: Yes - View accepted plans

Catherine Costa is a Board-Certified Psychiatric Mental Health Nurse Practitioner in New York who has been practicing since 2013. Catherine started her journey within the medical field as an LPN many years ago. Subsequently she attained her Masters as a Registered Nurse and later her Post Masters Certificate as a Nurse Practitioner. Catherine believes in providing a holistic approach with compassion, empathy, and education. Catherine is committed to staying current within both the medical and psychiatric fields with an active participation in conferences, seminars, and electronic media. Outside of work, Catherine enjoys art, drawing, museums, outdoor activities, and community involvement.

Types of Care & Ages Served

Areas of Focus

Individual Therapy

Get help addressing challenges and improve well-being with a clinician's guidance.

Psychiatry/Medication Management

Treat and prevent mental health disorders using medication and therapy.

  • Anxiety
  • Depression/feeling down
  • Panic attacks
  • Self-esteem
  • Stress management
  • Ability status
  • ADHD
  • Aging
  • Anger issues
  • Attention & focus
  • Autism: generally independent
  • Bipolar Disorder
  • Bullying or harassment
  • Career & relationships (mid-life)
  • Career & work issues
  • Conditions caused by stress
  • Detachment/disconnection
  • Dissociative disorders
  • Empty nesters
  • End-of-life challenges
  • Ethnic identity
  • First responder stress
  • Focus, concentration & memory
  • Gender identity
  • Grief & loss
  • Intellectual challenges: generally independent
  • Intense mood changes
  • LGBTQ+
  • Men's health/issues
  • Menopause & perimenopause
  • Military & veteran
  • Obsessive Compulsive Disorder
  • Other women's health concerns
  • Parenthood
  • Phobias
  • PMS & PMDD
  • Racial identity
  • Retirement
  • Sexual trauma
  • Trauma & PTSD
  • Unhealthy eating habits

Languages

  • English

Education

  • Molloy College

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Frequently Asked Questions About Catherine Costa Gardyn

Please call us at 631-323-6872 to schedule an appointment with Catherine Costa Gardyn.

See what our patients are saying about Catherine Costa Gardyn

One of a kind bedside manner. She genuinely treats you like a human being and never forces anything on you like some docs will. She takes the time to get to know you and genuinely treats you like a family member or a friend. You can tell she really cares. Thank you.
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Peter F.

Peter F.

Feb 11, 2026
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I just had my first visit with Catherine. She was very kind and thorough. She made me feel comfortable to speak with her about my personal issues. Her plan for me made a lot of sense. I look forward to working with her.
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Sheila D.

Sheila D.

Aug 12, 2025
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She always referred to me as my friend. She was very helpful knowledgeable and answered and asked questions. She gave amazing feedback and I felt heard as to what my issues were. I will e returning and highly recommend
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Anna A.

Anna A.

Jun 05, 2024
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Excellent practitioner. She cares about my whole self and how I can improve all parts of my life—not just what the pills can do for me. She has been very important in my healing journey.
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Marissa P.

Marissa P.

May 15, 2026
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Was there this morning and Catherine was very nice will have another appointment in 2 weeks to follow up via telehealth
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Maryann G.

Maryann G.

Oct 14, 2025
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She gets me and makes me feel understood and not alone
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Lindsay J.

Lindsay J.

Oct 15, 2024
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Catherine Costa Gardyn, Psychiatry in Melville, New York

Catherine Costa Gardyn

Psychiatry in Melville, New York

Already have an appointment?

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