Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mr. Sean Martin, LCSW

Individual provider Clinical Social Worker · NPI 1134352321

Mr. Sean Martin, LCSW is a Clinical Social Worker in Lynbrook, New York. Qualified in 2009, 17 years ago. Practices with Stony Brook Psychiatric Associates University Faculty Practice Corpor, a 101-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
17
Licensed in
NY
In the registry since
2009
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

68B Merrick Rd
Lynbrook, NY 11563-3733
Phone: (516) 992-6630
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 73 081086 (NY)

Record details

NPI number1134352321
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedSeptember 3, 2009
Last updated in NPPESApril 26, 2017

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2009 (17 years in practice)
Group practice Stony Brook Psychiatric Associates University Faculty Practice Corpor — 101 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Lynbrook