Lois Mccallister, LPC LCDC
NPI 1558476945 · Addiction (Substance Use Disorder) Counselor · Houston, TX
Lois Mccallister, LPC LCDC is a Addiction (Substance Use Disorder) Counselor provider in Houston, TX (NPI 1558476945).
Provider details
- NPI number
- 1558476945
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- LPC LCDC
- Sex
- Female
- Sole proprietor
- No
- License
- 6016 (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
19 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
- 2006-08-19
- Last updated
- 2025-09-11
Frequently asked questions
- What is Lois Mccallister's NPI number?
- Lois Mccallister's National Provider Identifier (NPI) is 1558476945, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lois Mccallister's specialty?
- Lois Mccallister is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Lois Mccallister located?
- Lois Mccallister's practice location on file with NPPES is 4950 Memorial Drive, Houston, TX 77007.
- What is Lois Mccallister's phone number?
- The practice phone number listed in the NPPES registry for Lois Mccallister is (713) 730-2335.
- Is Lois Mccallister's NPI active?
- Yes — Lois Mccallister's NPI (1558476945) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.