Mark Williams
NPI 1487213278 · Mental Health Counselor · Snellville, GA
Mark Williams is a Mental Health Counselor provider in Snellville, GA (NPI 1487213278).
Provider details
- NPI number
- 1487213278
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
- School Counselor101YS0200X
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs 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
Mailing address
Registry dates
- Enumerated
- 2019-06-06
- Last updated
- 2019-06-06
Frequently asked questions
- What is Mark Williams's NPI number?
- Mark Williams's National Provider Identifier (NPI) is 1487213278, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Williams's specialty?
- Mark Williams is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Mark Williams located?
- Mark Williams's practice location on file with NPPES is 2795 Main St W Ste 20b, Snellville, GA 30078-3073.
- What is Mark Williams's phone number?
- The practice phone number listed in the NPPES registry for Mark Williams is (678) 344-7836.
- Is Mark Williams's NPI active?
- Yes — Mark Williams's NPI (1487213278) is active in the NPPES registry as of the last update on 2019-06-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.