Walter Merrigan, LCSW
Clinical Social Worker · Pound Ridge, NY
Walter Merrigan, LCSW is a clinical social worker with a practice address in Pound Ridge, New York, and NPI 1134234586, issued on Aug 19, 2006. Check the license (New York LCSW 19636R, 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.
- Name
- Walter Merrigan
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- LCSW 19636R NY
Self-reported in NPPES; status is on the state search - Practice location
- 19 Tatomuck RD, Pound Ridge, NY 10576
- Phone
- (914) 764-4920
- Enumerated
- Aug 19, 2006
- Entity
- Type 1 · individual
Verify Walter Merrigan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license LCSW 19636RCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
4 clinical social worker records list a Pound Ridge practice address
They are 4 of the 40 NPPES records with a Pound Ridge practice address, and 26,930 clinical social worker records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 4 in Pound Ridge → All 26,930 in New York → Every provider in Pound Ridge →
Other clinical social worker records in New York
- Daniel Aaron, LCSW, PH.D.Bronx, NY1922076017
- Leslie Aaron, LCSWNew York, NY1740346683
- Michael Aaron, LMSWNew York, NY1750678868
- Ortal Aaron, BABronx, NY1255413142
- Sharon Aaron, LCSWBinghamton, NY1073521589
- Cindy Aaronson, MSW, PHDNew York, NY1912079799
- Anita Aasen, LCSWVictor, NY1740569581
- Janet Ab EdBrooklyn, NY1033476841
- Julie Abada, LCSWFresh Meadows, NY1942375829
- Daniel AbaiBronx, NY1356046544
Common questions
What is Walter Merrigan, LCSW's NPI number?
Walter Merrigan, LCSW's National Provider Identifier (NPI) is 1134234586, issued on Aug 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Walter Merrigan, LCSW located?
The NPPES record lists a practice address at 19 Tatomuck RD, Pound Ridge, NY, 10576. Phone: (914) 764-4920. Providers update this record themselves, so call before visiting.
How can I verify Walter Merrigan, LCSW's license?
NPPES lists New York license number LCSW 19636R, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.