Psychologist | Clinical Psychology

Liza Haas, PHD

1518 Walnut St Ste 1600, Philadelphia, Pennsylvania, 19102-3409

About Liza Haas

Liza Haas is a psychologist based in Philadelphia, Pennsylvania who is specialized in Clinical Psychology. Active license number of Liza Haas is PS018818 for Clinical Psychology in Pennsylvania. Her current practice location is 1518 Walnut St Ste 1600, Philadelphia. Patients can contact her at 215-278-9522. Liza Haas, PHD, specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1134771900.

Liza Haas 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

Liza Haas'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 Liza Haas
Specialization Clinical Psychology
Credentials PHD
Gender Female
Practice Address: 1518 Walnut St Ste 1600,
Philadelphia, PA - 19102-3409

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 Number1134771900
NPI Enumeration Date: 11 Jul, 2019
NPI Last Update On: 28 Feb, 2021

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 Liza Haas are as mentioned below.

License NumberSpecializationStateStatus
PS018818Clinical Psychology PennsylvaniaPrimary

Mailing Address

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

Liza Haas
1518 Walnut St Ste 1600,
Philadelphia, PA - 19102-3409
Phone: 215-278-9522

Book an Appointment with Liza Haas

To schedule an appointment, contact Liza Haas at 1518 Walnut St Ste 1600, Philadelphia, Pennsylvania or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Liza Haas:

Liza Haas is a psychologist specializing in Clinical Psychology. She 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.

Yes, Liza Haas 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.

Liza Haas practices at 1518 Walnut St Ste 1600, Philadelphia, Pennsylvania, 19102-3409.

To schedule an appointment with Liza Haas, please contact the office at 215-278-9522.

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