John Williamson, MS, LPC, NCC, LCDC
NPI 1194274670 · Mental Health Counselor · Dallas, TX
John Williamson, MS, LPC, NCC, LCDC is a Mental Health Counselor provider in Dallas, TX (NPI 1194274670).
Provider details
- NPI number
- 1194274670
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- MS, LPC, NCC, LCDC
- Sex
- Male
- Sole proprietor
- Yes
- License
- 12342 (TX)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
10 yrs in NPPES registry
- Profile completeness38% of score
100% 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
- 2016-09-26
- Last updated
- 2023-08-08
- Certified
- 2020-10-02
Frequently asked questions
- What is John Williamson's NPI number?
- John Williamson's National Provider Identifier (NPI) is 1194274670, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Williamson's specialty?
- John Williamson is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is John Williamson located?
- John Williamson's practice location on file with NPPES is 10711 Preston Rd Ste 220, Dallas, TX 75230-8807.
- What is John Williamson's phone number?
- The practice phone number listed in the NPPES registry for John Williamson is (214) 724-5363.
- Is John Williamson's NPI active?
- Yes — John Williamson's NPI (1194274670) is active in the NPPES registry as of the last update on 2023-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.