Mark Whiley
NPI 1124964465 · Addiction (Substance Use Disorder) Counselor · Lewisville, TX
Mark Whiley is a Addiction (Substance Use Disorder) Counselor provider in Lewisville, TX (NPI 1124964465).
Provider details
- NPI number
- 1124964465
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
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
Under 1 yr in 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
- 2026-04-28
- Last updated
- 2026-04-28
- Certified
- 2026-04-28
Frequently asked questions
- What is Mark Whiley's NPI number?
- Mark Whiley's National Provider Identifier (NPI) is 1124964465, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Whiley's specialty?
- Mark Whiley is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Mark Whiley located?
- Mark Whiley's practice location on file with NPPES is 320 S Charles St # 575, Lewisville, TX 75057-3906.
- What is Mark Whiley's phone number?
- The practice phone number listed in the NPPES registry for Mark Whiley is (516) 449-2789.
- Is Mark Whiley's NPI active?
- Yes — Mark Whiley's NPI (1124964465) is active in the NPPES registry as of the last update on 2026-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.