Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Joseph Mernagh, MS

Individual provider Mental Health Counselor · NPI 1992421069

Joseph Mernagh, MS is a Mental Health Counselor in Fairfax, Virginia. Practices as a sole proprietor. Licensed in Virginia.

Licensed in
VA
In the registry since
2022
What do these letters mean?
MS — Master of Science
A graduate science degree.

See every abbreviation used in this directory →

Practice location Address checks out

2911 Deer Hollow Way Unit 424
Fairfax, VA 22031-6049
Phone: (330) 310-5290
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence 0704015348 (VA)

Record details

NPI number1992421069
Entity typeIndividual (Type 1)
GenderMale
Credentials MS
Sole proprietorYes
NPI enumeratedOctober 19, 2022
Last updated in NPPESFebruary 2, 2026
Certification dateFebruary 2, 2026

Other providers in Fairfax