Psychologist | Clinical Psychology

William Mark Lassleben, PH.D.

1205 Saxony Rd, Encinitas, California, 92024-1819

About William Mark Lassleben

William Mark Lassleben is a psychologist based in Encinitas, California who is specialized in Clinical Psychology. Active license number of William Mark Lassleben is 0810001827 for Clinical Psychology in Virginia. His current practice location is 1205 Saxony Rd, Encinitas. Patients can contact him at 760-997-9662. William Mark Lassleben, PH.D., specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1972387066.

William Mark Lassleben 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). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Practice Information

William Mark Lassleben'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 William Mark Lassleben
Specialization Clinical Psychology
Credentials PH.D.
Gender Male
Practice Address: 1205 Saxony Rd,
Encinitas, CA - 92024-1819

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 Number1972387066
NPI Enumeration Date: 21 Aug, 2023
NPI Last Update On: 21 Aug, 2023

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 William Mark Lassleben are as mentioned below.

License NumberSpecializationStateStatus
0810001827Clinical Psychology VirginiaPrimary

Mailing Address

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

William Mark Lassleben
1205 Saxony Rd,
Encinitas, CA - 92024-1819
Phone: 760-997-9662

Book an Appointment with William Mark Lassleben

To schedule an appointment, contact William Mark Lassleben at 1205 Saxony Rd, Encinitas, California or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about William Mark Lassleben:

William Mark Lassleben is a psychologist specializing in Clinical Psychology. He 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). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Yes, William Mark Lassleben 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.

William Mark Lassleben practices at 1205 Saxony Rd, Encinitas, California, 92024-1819.

To schedule an appointment with William Mark Lassleben, please contact the office at 760-997-9662.

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