Mental Health Therapist

Mark Diddens, LMSW

2000 Glen Echo Rd Ste 200, Nashville, Tennessee, 37215-2898

About Mark Diddens

Mark Diddens is a therapist based in Nashville, Tennessee who is specialized in Mental Health Counselor. Active license number of Mark Diddens is 150.110236 for Mental Health Counselor in Illinois. His current practice location is 2000 Glen Echo Rd Ste 200, Nashville. Patients can reach him at 615-649-8656. Mark Diddens is LMSW in Mental Health Counselor and his NPI number (Unique professional ID assigned by NPPES) is 1326754151.

Mark Diddens 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

Mark Diddens 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 Mark Diddens
Specialization Mental Health Counselor
Credentials LMSW
Gender Male
Practice Address: 2000 Glen Echo Rd Ste 200,
Nashville, TN - 37215-2898

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 Number1326754151
NPI Enumeration Date: 25 Jan, 2023
NPI Last Update On: 10 Jun, 2023

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 Mark Diddens are as mentioned below.

License NumberSpecializationStateStatus
150.110236Mental Health Counselor IllinoisPrimary
14623Mental Health Counselor TennesseeSecondary

Mailing Address

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

Mark Diddens
1803 Broadway Apt 609,
Nashville, TN - 37203-2767
Phone: 815-541-1741

Book an Appointment with Mark Diddens

To schedule an appointment, contact Mark Diddens at 2000 Glen Echo Rd Ste 200, Nashville, Tennessee or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Mark Diddens:

Mark Diddens 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, Mark Diddens is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Mark Diddens practices at 2000 Glen Echo Rd Ste 200, Nashville, Tennessee, 37215-2898.

To schedule an appointment with Mark Diddens, please contact the office at 615-649-8656.

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