Thomas Brien, MS
NPI 1427021484 · Mental Health Counselor · Lexington Park, MD
Thomas Brien, MS is a Mental Health Counselor provider in Lexington Park, MD (NPI 1427021484).
Provider details
- NPI number
- 1427021484
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- MS
- Sex
- Male
- 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
20 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
- 2006-02-09
- Last updated
- 2007-07-08
Frequently asked questions
- What is Thomas Brien's NPI number?
- Thomas Brien's National Provider Identifier (NPI) is 1427021484, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Brien's specialty?
- Thomas Brien is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Thomas Brien located?
- Thomas Brien's practice location on file with NPPES is 21770 Fdr Blvd, Lexington Park, MD 20653.
- What is Thomas Brien's phone number?
- The practice phone number listed in the NPPES registry for Thomas Brien is (301) 862-4966.
- Is Thomas Brien's NPI active?
- Yes — Thomas Brien's NPI (1427021484) 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.