Psychologist | Clinical Psychology

Dr. Mark Holland, PSYD

2435 King Blvd, Suite 313, Casper, Wyoming, 82604-3166

About Dr. Mark Holland

Dr. Mark Holland is a psychologist based in Casper, Wyoming who is specialized in Clinical Psychology. Active license number of Dr. Mark Holland is 544 for Clinical Psychology in Wyoming. His current practice location is 2435 King Blvd, Suite 313, Casper. Patients can contact him at 307-462-4876 or can fax him at 307-337-3492. Dr. Mark Holland, PSYD, specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1265629430.

Dr. Mark Holland 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

Dr. Mark Holland'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 Dr. Mark Holland
Specialization Clinical Psychology
Credentials PSYD
Gender Male
Practice Address: 2435 King Blvd, Suite 313
Casper, WY - 82604-3166
Fax 307-337-3492

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 Number1265629430
NPI Enumeration Date: 01 Oct, 2007
NPI Last Update On: 21 Aug, 2014

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 Dr. Mark Holland are as mentioned below.

License NumberSpecializationStateStatus
544Clinical Psychology WyomingPrimary

Mailing Address

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

Dr. Mark Holland
2435 King Blvd, Suite 313
Casper, WY - 82604-3166
Phone: 307-462-4876
Fax: 307-337-3492

Book an Appointment with Dr. Mark Holland

To schedule an appointment, contact Dr. Mark Holland at 2435 King Blvd, Suite 313, Casper, Wyoming or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Mark Holland:

Dr. Mark Holland 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, Dr. Mark Holland 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.

Dr. Mark Holland practices at 2435 King Blvd, Suite 313, Casper, Wyoming, 82604-3166.

To schedule an appointment with Dr. Mark Holland, please contact the office at 307-462-4876.

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