Mental Health Therapist

Derrick Sier

10125 Mantle Ct, Oklahoma City, Oklahoma, 73162-4436

About Derrick Sier

Derrick Sier is a therapist based in Oklahoma City, Oklahoma who is specialized in Mental Health Counselor. His current practice location is 10125 Mantle Ct, Oklahoma City. Patients can reach him at 405-412-0473. Derrick Sier NPI number (Unique professional ID assigned by NPPES) is 1669927331.

Derrick Sier is a licensed professional who helps individuals, couples, and families manage and overcome emotional, psychological, and behavioral challenges. He assess clients’ mental health conditions and develop personalized treatment plans to provide therapy for a range of mental health issues, including anxiety, depression, trauma, relationship issues, stress, grief, and life transitions.

Practice Information

Derrick Sier 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 Derrick Sier
Specialization Mental Health Counselor
Gender Male
Practice Address: 10125 Mantle Ct,
Oklahoma City, OK - 73162-4436

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 Number1669927331
NPI Enumeration Date: 23 Aug, 2016
NPI Last Update On: 23 Aug, 2016

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 Derrick Sier are as mentioned below.

License NumberSpecializationStateStatus
Mental Health Counselor Primary

Mailing Address

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

Derrick Sier
10125 Mantle Ct,
Oklahoma City, OK - 73162-4436

Book an Appointment with Derrick Sier

To schedule an appointment, contact Derrick Sier at 10125 Mantle Ct, Oklahoma City, Oklahoma or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Derrick Sier:

Derrick Sier is a therapist specializing in Mental Health Counselor. He is a licensed professional who helps individuals, couples, and families manage and overcome emotional, psychological, and behavioral challenges. He assess clients’ mental health conditions and develop personalized treatment plans to provide therapy for a range of mental health issues, including anxiety, depression, trauma, relationship issues, stress, grief, and life transitions.

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

Derrick Sier practices at 10125 Mantle Ct, Oklahoma City, Oklahoma, 73162-4436.

To schedule an appointment with Derrick Sier, please contact the office at 405-412-0473.

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