Mental Health Therapist

Mr. Mark Joseph Thalheimer, MSW

500 W 10th St, Wilmington, Delaware, 19801-1422

About Mr. Mark Joseph Thalheimer

Mr. Mark Joseph Thalheimer is a therapist based in Wilmington, Delaware who is specialized in Mental Health Counselor. Active license number of Mr. Mark Joseph Thalheimer is Q1-0000617 for Mental Health Counselor in Delaware. His current practice location is 500 W 10th St, Wilmington. Patients can reach him at 302-984-3380 or can fax him at 302-984-3324. Mr. Mark Joseph Thalheimer is MSW in Mental Health Counselor and his NPI number (Unique professional ID assigned by NPPES) is 1245381508.

Mr. Mark Joseph Thalheimer 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

Mr. Mark Joseph Thalheimer 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 Mr. Mark Joseph Thalheimer
Specialization Mental Health Counselor
Credentials MSW
Gender Male
Practice Address: 500 W 10th St,
Wilmington, DE - 19801-1422
Fax 302-984-3324

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 Number1245381508
NPI Enumeration Date: 15 Jan, 2007
NPI Last Update On: 19 Jan, 2012

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 Mr. Mark Joseph Thalheimer are as mentioned below.

License NumberSpecializationStateStatus
Q1-0000617Mental Health Counselor DelawarePrimary
Q1-0000617Social Worker DelawareSecondary

Other Medical Identifiers

Other legacy medical identifiers associated with Mr. Mark Joseph Thalheimer such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
1689733792MedicaidDelaware

Mailing Address

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

Mr. Mark Joseph Thalheimer
500 W 10th St,
Wilmington, DE - 19801-1422
Phone: 302-984-3380
Fax: 302-984-3324

Book an Appointment with Mr. Mark Joseph Thalheimer

To schedule an appointment, contact Mr. Mark Joseph Thalheimer at 500 W 10th St, Wilmington, Delaware or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Mr. Mark Joseph Thalheimer:

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

Mark Joseph Thalheimer practices at 500 W 10th St, Wilmington, Delaware, 19801-1422.

To schedule an appointment with Mark Joseph Thalheimer, please contact the office at 302-984-3380.

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