Marissa Harrington, LCSW
Clinical Social Worker · Hampton Bays, NY
Marissa Harrington, LCSW is a clinical social worker with a practice address in Hampton Bays, New York, and NPI 1831727999, issued on Apr 1, 2020. Check the license (New York 097765, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marissa Harrington
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License numbers
- 097765 NY
108856-01 NY
Self-reported in NPPES; status is on the state search - Practice location
- 182 West Montauk Hwy, Hampton Bays, NY 11946
- Phone
- (631) 594-3910
- Enumerated
- Apr 1, 2020
- Record last updated
- Jan 23, 2025
- Fax
- (631) 594-3911
- Medicare enrollment
- Enrolled (PECOS I20250211001326); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 182 West Montauk Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Julie Bates, MDInternal Medicine Physician1235205972
- William Gilmartin, MDInternal Medicine Physician1457454670
- Alice Mei, DOInternal Medicine Physician1790362853
Verify Marissa Harrington 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 097765Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Meeting House Lane Medical Practice PCSouthampton, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
18 clinical social worker records list a practice address in Hampton Bays
They are 18 of the 226 NPPES records with a practice address in Hampton Bays, and 29,293 clinical social worker records in New York.
All 18 in Hampton Bays → All 29,293 in New York → Every provider in Hampton Bays →
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
- Shawna Marie Aarons-Cooke, LCSWNew Rochelle, NY1700060076
- Cindy Aaronson, MSW, PHDNew York, NY1912079799
- Anita Aasen, LCSWVictor, NY1740569581
- Janet Ab EdBrooklyn, NY1033476841
- Julie Abada, LCSWFresh Meadows, NY1942375829
Common questions
What is Marissa Harrington, LCSW's NPI number?
Marissa Harrington, LCSW's National Provider Identifier (NPI) is 1831727999, issued on Apr 1, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Marissa Harrington, LCSW located?
The NPPES record lists a practice address at 182 West Montauk Hwy, Hampton Bays, NY, 11946. Phone: (631) 594-3910. Providers update this record themselves, so call before visiting.
How can I verify Marissa Harrington, LCSW's license?
NPPES lists New York license number 097765, 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.
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.