NPPES file of Aug 9, 2026

Brian Hugh Marren, LCSW-R

Clinical Social Worker · New York, NY

Brian Hugh Marren, LCSW-R is a clinical social worker with a practice address in New York, New York, and NPI 1376861427, issued on May 13, 2010. Check the license (New York 043504-1, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1376861427
Name
Brian Hugh Marren
Credential
LCSW-R
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
043504-1 NY
Self-reported in NPPES; status is on the state search
Practice location
19 W 34TH St, New York, NY 10001
Phone
(646) 353-0646
Enumerated
May 13, 2010
Record last updated
May 13, 2010 (not updated in 16 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20120612000379); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest clinical social worker records → All 29,293 in New York → Look up another NPI →

Also registered at 19 W 34TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ernest Adams, PHDClinical Psychologist1629297767
  2. Ayda Akbelen, LMHCMental Health Counselor1689100257
  3. Stefanie Allister, PSY.D.Clinical Psychologist1174755755
  4. Jonathan AlpertMental Health Counselor1487705596
  5. Amy AmaraSocial Worker1396114393
  6. Kacy Ames, LCSWClinical Social Worker1669657201

Verify Brian Hugh Marren in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license 043504-1    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through 2 group practices

  1. Center For Alternative Sentencing And Employment ServicesNew York, NY
  2. Doppler Psychology Services AT Home PCPomona, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Brian Hugh Marren among 29,293 clinical social worker records in New York

Brian Hugh Marren, LCSW-R is one of 29,293 clinical social worker records with a practice address in New York. 8% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 42% of them.

  • NPI issued2010 · 42% of these records are older, 54% newer
  • In a Medicare fileYes · 8% of these records are
  • In the CMS Doctors and Clinicians fileYes · 17% of these records are
  • Graduated1991 · median 2001 among the 5,004 with a school on file
  • Record last updated2010 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

6,908 clinical social worker records list a practice address in New York

They are 6,908 of the 98,468 NPPES records with a practice address in New York, and 29,293 clinical social worker records in New York.

All 29,293 in New York → Every provider in New York → Clinical Social Worker nationwide →

The 8 clinical social worker records with the nearest ZIP codes

  1. Karen Arthur, MSW LCSWNew York, NY 100011518902519
  2. Peter Baldonado, LCSWNew York, NY 100011922076355
  3. Maryanne Barry, LCSW-RNew York, NY 100011295774743
  4. Eva Brams, LCSWNew York, NY 100011669438859
  5. Mark Chatkin, LCSWNew York, NY 100011568469807
  6. Carrie Edwards, LMSWNew York, NY 100011053339143
  7. Christina Faletti, LCSWNew York, NY 100011790738334
  8. Robin Kappy, LCSWNew York, NY 100011194701417

Common questions

What is Brian Hugh Marren, LCSW-R's NPI number?

Brian Hugh Marren, LCSW-R's National Provider Identifier (NPI) is 1376861427, issued on May 13, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Brian Hugh Marren, LCSW-R located?

The NPPES record lists a practice address at 19 W 34TH St, New York, NY, 10001. Phone: (646) 353-0646. Providers update this record themselves, so call before visiting.

How can I verify Brian Hugh Marren, LCSW-R's license?

NPPES lists New York license number 043504-1, as entered by the provider. Search the New York 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. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.