Thomas J. Brien, MS
Mental Health Counselor · Lexington Park, MD
Thomas J. Brien, MS is a mental health counselor with a practice address in Lexington Park, Maryland, and NPI 1427021484, issued on Feb 9, 2006. Check the license with the Maryland board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Thomas J. Brien
- Credential
- MS
- Primary taxonomy
- Mental Health Counselor 101YM0800X
- Practice location
- 21770 Fdr Blvd, Lexington Park, MD 20653
- Phone
- (301) 862-4966
- Enumerated
- Feb 9, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (301) 862-5554
- Entity
- Type 1 · individual
8 nearest mental health counselor records → All 4,201 in Maryland → Look up another NPI →
Also registered at 21770 Fdr Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Thomas J. Brien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Thomas J. Brien among 4,201 mental health counselor records in Maryland
Thomas J. Brien, MS is one of 4,201 mental health counselor records with a practice address in Maryland. 7% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than under 1% of them.
- NPI issued2006 · under 1% of these records are older, 97% newer
- In a Medicare fileNo · 7% of these records are
- In the CMS Doctors and Clinicians fileNo · 11% of these records are
- Record last updated2007 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YM0800X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 mental health counselor records list a practice address in Lexington Park
They are 17 of the 166 NPPES records with a practice address in Lexington Park, and 4,201 mental health counselor records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 4,201 in Maryland → Every provider in Lexington Park → Mental Health Counselor nationwide →
The 8 mental health counselor records with the nearest ZIP codes
- William Arick, LCPC, NCC, ACSLexington Park, MD 206531114990173
- Karen Beltz, BALexington Park, MD 206531346329992
- Deborah Feldman, MALexington Park, MD 206531295708105
- Jacqueline Grantland, LCPC, NCCLexington Park, MD 206531316905524
- M Haugaard, LPC, LCPAT, LCPCLexington Park, MD 206531770550303
- Maria Hendricks, BALexington Park, MD 206531619181211
- Julie Morgan, LCPCLexington Park, MD 206531598843229
- Amanda MullinsLexington Park, MD 206531164975405
Common questions
What is Thomas J. Brien, MS's NPI number?
Thomas J. Brien, MS's National Provider Identifier (NPI) is 1427021484, issued on Feb 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas J. Brien, MS located?
The NPPES record lists a practice address at 21770 Fdr Blvd, Lexington Park, MD, 20653. Phone: (301) 862-4966. Providers update this record themselves, so call before visiting.
How can I verify Thomas J. Brien, MS's license?
Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.