Psychologist | Clinical Psychology

Isabelle Kathryn Avildsen, PHD

223 E 34th St, New York, New York, 10016-4852

About Isabelle Kathryn Avildsen

Isabelle Kathryn Avildsen is a psychologist based in New York, New York who is specialized in Clinical Psychology. Active license number of Isabelle Kathryn Avildsen is 025804 for Psychology in New York. Her current practice location is 223 E 34th St, New York. Patients can contact her at 646-558-0800 or can fax her at 929-455-9393. Isabelle Kathryn Avildsen, PHD, specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1497598080.

Isabelle Kathryn Avildsen is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Practice Information

Isabelle Kathryn Avildsen's specialty, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Isabelle Kathryn Avildsen
Specialization Clinical Psychology
Credentials PHD
Gender Female
Practice Address: 223 E 34th St,
New York, NY - 10016-4852
Fax 929-455-9393

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to healthcare providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

NPI Number1497598080
NPI Enumeration Date: 13 Jun, 2024
NPI Last Update On: 31 Oct, 2025

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for Isabelle Kathryn Avildsen are as mentioned below.

License NumberSpecializationStateStatus
025804Psychology New YorkPrimary
025804Clinical Psychology New YorkSecondary

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Isabelle Kathryn Avildsen
223 E 34th St,
New York, NY - 10016-4852
Phone: 646-558-0800
Fax: 929-455-9393

Book an Appointment with Isabelle Kathryn Avildsen

To schedule an appointment, contact Isabelle Kathryn Avildsen at 223 E 34th St, New York, New York or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Isabelle Kathryn Avildsen:

Isabelle Kathryn Avildsen is a psychologist specializing in Psychology. She is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, she performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. She can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.

Yes, Isabelle Kathryn Avildsen is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

Isabelle Kathryn Avildsen practices at 223 E 34th St, New York, New York, 10016-4852.

To schedule an appointment with Isabelle Kathryn Avildsen, please contact the office at 646-558-0800.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.