About David G. Thomassen, MS, LGPC
David George Thomassen, MS, LGPC is a mental health counselor. Mr. David G. Thomassen has 12 years of experience in mental health counseling.
Practice Locations
Mr. David G. Thomassen may be affiliated with:
- Md Matt, LLC in Frederick, MD 21701
- Catoctin Counseling Center in Frederick, MD 21701
- Md Matt, LLC in Frederick, MD 21701
- Sage Mental Wellness in Frederick, MD 21701
Education
David G. Thomassen, MS, LGPC earned degrees of a Master of Science and Licensed Graduate Professional Counselor.
Licenses
David G. Thomassen, MS, LGPC has been registered with the National Provider Identifier database since December 27, 2013, and his NPI number is 1013338623.
Book an Appointment
To schedule an appointment with Mr. David G. Thomassen, please call (240) 578-2322.