Mary Harrison, TRAINEE-AD
NPI 1477681443 · Addiction (Substance Use Disorder) Counselor · Centreville, MD
Mary Harrison, TRAINEE-AD is a Addiction (Substance Use Disorder) Counselor provider in Centreville, MD (NPI 1477681443).
Provider details
- NPI number
- 1477681443
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- TRAINEE-AD
- Sex
- Female
- Sole proprietor
- No
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
19 yrs in NPPES 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
- 2007-03-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mary Harrison's NPI number?
- Mary Harrison's National Provider Identifier (NPI) is 1477681443, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Harrison's specialty?
- Mary Harrison is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Mary Harrison located?
- Mary Harrison's practice location on file with NPPES is 205 N Liberty St, Centreville, MD 21617-1022.
- What is Mary Harrison's phone number?
- The practice phone number listed in the NPPES registry for Mary Harrison is (410) 758-1306.
- Is Mary Harrison's NPI active?
- Yes — Mary Harrison's NPI (1477681443) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.