Mark Diddens

LMSW | Mental Health Counselor


  2000 Glen Echo Rd Ste 200, Nashville
     Tennessee, 37215-2898
  615-649-8656    Maps & Directions
Mark Diddens is a Nashville, Tennessee based counselor who is specialized as 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 book an appointment with him at 615-649-8656.
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.
Complete Profile:
Mark Diddens speciality, credentials, practice address, contact phone number and fax are as below. Patients can directly walk in or can call on the below given phone number for appointment.
Name: Mark Diddens
Specialization: Mental Health Counselor
Gender:Male
Credentials: LMSW
Accepts Medicare Assignment:No
Practice Address:2000 Glen Echo Rd Ste 200, Nashville,
Tennessee, 37215-2898
Phone:615-649-8656
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 Number: 1326754151
NPI Enumeration Date: 25 Jan, 2023
NPI Last Update On: 10 Jun, 2023

Medical Licenses:
Doctors can have 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
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
Address: 1803 Broadway Apt 609,
Nashville, Tennessee
Zip: 37203-2767
Phone Number: 815-541-1741
Patients can reach Mark Diddens at 2000 Glen Echo Rd Ste 200, Nashville, Tennessee or can call to book an appointment on 615-649-8656.
*Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 July, 2025.

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