Marion Callahan, LCDC
NPI 1568906006 · Addiction (Substance Use Disorder) Counselor · Round Rock, TX
Marion Callahan, LCDC is a Addiction (Substance Use Disorder) Counselor provider in Round Rock, TX (NPI 1568906006).
Provider details
- NPI number
- 1568906006
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- LCDC
- Sex
- Female
- Sole proprietor
- Yes
- License
- 11790 (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
9 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
- 2016-12-16
- Last updated
- 2016-12-16
Frequently asked questions
- What is Marion Callahan's NPI number?
- Marion Callahan's National Provider Identifier (NPI) is 1568906006, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marion Callahan's specialty?
- Marion Callahan is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Marion Callahan located?
- Marion Callahan's practice location on file with NPPES is 1009 N Georgetown St, Round Rock, TX 78664-3289.
- What is Marion Callahan's phone number?
- The practice phone number listed in the NPPES registry for Marion Callahan is (512) 255-1720.
- Is Marion Callahan's NPI active?
- Yes — Marion Callahan's NPI (1568906006) is active in the NPPES registry as of the last update on 2016-12-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.