Dr. Joelle Efthimiou

Dr. Joelle Efthimiou

  • Gender: Female
  • Experience: 33 years
  • Sole propriator: Yes
  • NPI: 1013948272

Dr. Joelle Efthimiou PHD

Clinical Psychologist

She is located at 1 Norwood Road in Hampton Bays, NY 11946. Can help patients with the following: Bipolar Disorder, Relationship Issues, Self-Esteem, Self-Harming, Spirituality and Religion, Stress. Her National Provider Identifier (NPI) number is 1013948272. Appointment can be made via the phone number (631) 252-2430. She is affiliated with 1 practices.

Conditions treated

Dr. Joelle Efthimiou, being an clinical psychologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Joelle Efthimiou.

  • Amnesia
  • Anger Management
  • Anxiety
  • Attention-Deficit/Hyperactivity Disorder (ADHD)
  • Autism
  • Bipolar Disorder
  • Career Counseling
  • Childhood Behavioral and Emotional Disorders
  • Compassion Fatigue
  • Depression
  • Dyslexia
  • EMDR
  • Eating Disorder
  • Emotional Eating
  • Family Conflict
  • Gender Identity
  • Grief
  • Guilt and Shame
  • Infertility
  • Infidelity
  • Isolation
  • Life Coaching
  • Life Transitions
  • Loss, Grief, and Bereavement
  • Mental Illness
  • Obesity
  • Obsessive Compulsive Disorder (OCD)
  • Online Therapy
  • Parenting
  • Posttraumatic Stress Disorder (PTSD)
  • Receptive Language Disorders
  • Relationship Issues
  • School Issues
  • Seasonal Affective Disorder (SAD)
  • Self-Esteem
  • Self-Harming
  • Separation Anxiety Disorder
  • Sleep Disorders
  • Spirituality and Religion
  • Stress
  • Trauma

Procedures Performed by Dr. Joelle Efthimiou

Medicare Enrollment

Dr. Joelle Efthimiou is enrolled to bill Medicare as a Practitioner - Clinical Psychologist .

Medicare practice location(s) (city/state/zip only, as reported to Medicare):

  • HAMPTON BAYS, NY, 11946-3620

Bills through: Hospitalist Healthcare Services Pllc

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.

Additional Specialities

  • Psychologist

Affiliated practices

Metropolitan Psychological & Licensed Master Social Work Services
355 Fishkill Avenue
Beacon, 12508 NY
(845) 831-6000

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Questions & Answers

Does Dr. Joelle Efthimiou have affiliation with practices?

Dr. Joelle Efthimiou is affiliated with Metropolitan Psychological & Licensed Master Social Work Services.

Where can you meet with Dr. Joelle Efthimiou?

Dr. Joelle Efthimiou's office is located at 1 Norwood Road in Hampton Bays, NY 11946.

What conditions does Dr. Joelle Efthimiou treat?

Dr. Joelle Efthimiou provides treatment for Bipolar Disorder, Relationship Issues, Self-Esteem, Self-Harming, Spirituality and Religion, Stress. For the full list see this list.