Mark Sheppard, L.C.D.C
NPI 1659535821 · Addiction (Substance Use Disorder) Counselor · Plano, TX
Mark Sheppard, L.C.D.C is a Addiction (Substance Use Disorder) Counselor provider in Plano, TX (NPI 1659535821).
Provider details
- NPI number
- 1659535821
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- L.C.D.C
- Sex
- Male
- Sole proprietor
- No
- License
- 9006 (TX)
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
17 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
- 2008-07-16
- Last updated
- 2008-07-16
Frequently asked questions
- What is Mark Sheppard's NPI number?
- Mark Sheppard's National Provider Identifier (NPI) is 1659535821, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Sheppard's specialty?
- Mark Sheppard is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Mark Sheppard located?
- Mark Sheppard's practice location on file with NPPES is 3131 Custer Rd, Plano, TX 75075-4419.
- What is Mark Sheppard's phone number?
- The practice phone number listed in the NPPES registry for Mark Sheppard is (972) 985-7565.
- Is Mark Sheppard's NPI active?
- Yes — Mark Sheppard's NPI (1659535821) is active in the NPPES registry as of the last update on 2008-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.