IndividualActive
Gregory Clark
NPI 1811795313 · Mental Health Counselor · Fairfax, VA
Gregory Clark is a Mental Health Counselor provider in Fairfax, VA (NPI 1811795313).
Provider details
- NPI number
- 1811795313
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Basic profile(48/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
3950 Chain Bridge Rd
Fairfax, VA 22030-3935
Phone: (703) 665-9435
Street-level locationGet directions
Mailing address
100 James Dr Se
Vienna, VA 22180-6710
Registry dates
- Enumerated
- 2025-03-03
- Last updated
- 2025-03-03
- Certified
- 2025-03-03
Frequently asked questions
- What is Gregory Clark's NPI number?
- Gregory Clark's National Provider Identifier (NPI) is 1811795313, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Clark's specialty?
- Gregory Clark is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Gregory Clark located?
- Gregory Clark's practice location on file with NPPES is 3950 Chain Bridge Rd, Fairfax, VA 22030-3935.
- What is Gregory Clark's phone number?
- The practice phone number listed in the NPPES registry for Gregory Clark is (703) 665-9435.
- Is Gregory Clark's NPI active?
- Yes — Gregory Clark's NPI (1811795313) is active in the NPPES registry as of the last update on 2025-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.