Psychologist | Clinical Psychology

Zachary Sam Appenzeller, PSY.D.

5615 H. Mark Crosswell Jr St., Houston, Texas, 77021

About Zachary Sam Appenzeller

Zachary Sam Appenzeller is a psychologist based in Houston, Texas who is specialized in Clinical Psychology. Active license number of Zachary Sam Appenzeller is 39769 for Clinical Psychology in Texas. His current practice location is 5615 H. Mark Crosswell Jr St., Houston. Patients can contact him at 713-500-1500 or can fax him at 713-500-2714. Zachary Sam Appenzeller, PSY.D., specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1821774472.

Zachary Sam Appenzeller 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

Zachary Sam Appenzeller'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 Zachary Sam Appenzeller
Specialization Clinical Psychology
Credentials PSY.D.
Gender Male
Practice Address: 5615 H. Mark Crosswell Jr St.,
Houston, TX - 77021
Fax 713-500-2714

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 Number1821774472
NPI Enumeration Date: 27 Jun, 2023
NPI Last Update On: 27 Jun, 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 Zachary Sam Appenzeller are as mentioned below.

License NumberSpecializationStateStatus
39769Clinical Psychology TexasPrimary

Mailing Address

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

Zachary Sam Appenzeller
1941 East Rd,
Houston, TX - 77054-6010

Book an Appointment with Zachary Sam Appenzeller

To schedule an appointment, contact Zachary Sam Appenzeller at 5615 H. Mark Crosswell Jr St., Houston, Texas or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Zachary Sam Appenzeller:

Zachary Sam Appenzeller 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, Zachary Sam Appenzeller 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.

Zachary Sam Appenzeller practices at 5615 H. Mark Crosswell Jr St., Houston, Texas, 77021.

To schedule an appointment with Zachary Sam Appenzeller, please contact the office at 713-500-1500.

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