NPPES file of Aug 9, 2026

Stacy Reed Mason, LMSW

Clinical Social Worker · Brewster, NY

Stacy Reed Mason, LMSW is a clinical social worker with a practice address in Brewster, New York, and NPI 1851452361, issued on Dec 12, 2006. Check the license (New York 056109, as entered in NPPES) with the New York board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1851452361
Name
Stacy Reed Mason
Credential
LMSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
056109 NY
Self-reported in NPPES; status is on the state search
Practice location
2424 Route 6, Brewster, NY 10509
Phone
(845) 216-0388
Enumerated
Dec 12, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20070831000291); accepts Medicare assignment
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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Also registered at 2424 Route 6

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

  1. Michael Nesheiwat, M.D.Legal Medicine1093768467

Verify Stacy Reed Mason 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 056109
    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

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Stacy Reed Mason among 29,293 clinical social worker records in New York

Stacy Reed Mason, LMSW 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 not. Its NPI, issued in 2006, is newer than 1% of them.

  • NPI issued2006 · 1% of these records are older, 83% newer
  • In a Medicare fileNo · 8% of these records are
  • In the CMS Doctors and Clinicians fileYes · 17% of these records are
  • Graduated1997 · median 2001 among the 5,004 with a school on file
  • Record last updated2007 · 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).

35 clinical social worker records list a practice address in Brewster

They are 35 of the 577 NPPES records with a practice address in Brewster, and 29,293 clinical social worker records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 clinical social worker records with the nearest ZIP codes

  1. Gail Brick, LCSW-RBrewster, NY 105091346260122
  2. Jennifer Culley, LCSW-RBrewster, NY 105091659493070
  3. Claire Herzberg, L.C.S.W.Brewster, NY 105091568787430
  4. Nancy Huebbe, LCSW-RBrewster, NY 105091699930503
  5. Marcy Kniffin, LCSWBrewster, NY 105091154416832
  6. Agnes Larbi-Aggrey, MSWBrewster, NY 105091154646974
  7. Sharon Madden, LCSWBrewster, NY 105091952440612
  8. Craig Northrop, LCSWBrewster, NY 105091538310420

Common questions

What is Stacy Reed Mason, LMSW's NPI number?

Stacy Reed Mason, LMSW's National Provider Identifier (NPI) is 1851452361, issued on Dec 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Stacy Reed Mason, LMSW located?

The NPPES record lists a practice address at 2424 Route 6, Brewster, NY, 10509. Phone: (845) 216-0388. Providers update this record themselves, so call before visiting.

How can I verify Stacy Reed Mason, LMSW's license?

NPPES lists New York license number 056109, 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. 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.