Therapist

Sierra Klaassens

287 Boulevard Ste 2, Pompton Plains, New Jersey, 07444-1726

About Sierra Klaassens

Sierra Klaassens is a therapist based in Pompton Plains, New Jersey who is specialized in Counselor. Active license number of Sierra Klaassens is 37AC00909300 for Counselor in New Jersey. Her current practice location is 287 Boulevard Ste 2, Pompton Plains. Patients can reach her at 845-393-4723. Sierra Klaassens NPI number (Unique professional ID assigned by NPPES) is 1427921097.

Sierra Klaassens is a trained and licensed mental health professional who helps individuals, couples, or groups manage and overcome emotional, psychological, behavioral, or relationship challenges. She works with people dealing with anxiety, depression, mood disorders, trauma, post-traumatic stress disorder (PTSD), grief and loss etc. She support her clients by understanding their thoughts, emotions, and behaviors.

Practice Information

Sierra Klaassens speciality, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Sierra Klaassens
Specialization Counselor
Gender Female
Practice Address: 287 Boulevard Ste 2,
Pompton Plains, NJ - 07444-1726

Professional Identification Codes

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

NPI Number1427921097
NPI Enumeration Date: 29 Sep, 2025
NPI Last Update On: 29 Sep, 2025

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Sierra Klaassens are as mentioned below.

License NumberSpecializationStateStatus
37AC00909300Counselor New JerseyPrimary

Mailing Address

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

Sierra Klaassens
9 Cedar Rd,
Pompton Plains, NJ - 07444-1430
Phone: 973-769-1335

Book an Appointment with Sierra Klaassens

To schedule an appointment, contact Sierra Klaassens at 287 Boulevard Ste 2, Pompton Plains, New Jersey or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Sierra Klaassens:

Sierra Klaassens is a therapist specializing in Counselor. She is a trained and licensed mental health professional who helps individuals, couples, or groups manage and overcome emotional, psychological, behavioral, or relationship challenges. She works with people dealing with anxiety, depression, mood disorders, trauma, post-traumatic stress disorder (PTSD), grief and loss etc. She support her clients by understanding their thoughts, emotions, and behaviors.

Yes, Sierra Klaassens is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Sierra Klaassens practices at 287 Boulevard Ste 2, Pompton Plains, New Jersey, 07444-1726.

To schedule an appointment with Sierra Klaassens, please contact the office at 845-393-4723.

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