Provider Profile
Marissa Harrington, LCSW
Unclaimed ProfileAbout Marissa Harrington
Marissa Harrington, LCSW is a clinical social worker based in Hampton Bays, NY. Marissa is also listed as specializing in social worker.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (631) 594-3910
- Email not available
Practice Locations
182 WEST MONTAUK HWY BLDG B SUITE B
Hampton Bays, NY 11946
1444 5th Ave
Bay Shore, NY 11706
518 Montauk Hwy Ste 102
Amagansett, NY 11930
325 Meeting House Lane Bldg 2 Suite 403
Southampton, NY 11968
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other clinical social workers in Hampton Bays 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 2019 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Marissa Harrington?
Marissa Harrington is a clinical social worker in Hampton Bays, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Marissa Harrington's address?
Marissa Harrington is listed at 182 West Montauk Hwy Bldg B Suite B, Hampton Bays, NY 11946. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Marissa Harrington?
The number on file is (631) 594-3910. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Marissa Harrington?
Marissa Harrington's National Provider Identifier is 1831727999. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Marissa Harrington train?
Marissa Harrington attended Other, graduating in 2019. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Marissa Harrington have?
Marissa Harrington has 7 years experience. Calculated from a graduation year of 2019, reported in the CMS National Downloadable File.
CMS public data
Is Marissa Harrington's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Marissa Harrington. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.