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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

MARISSA GUINN
NPI 1457277741
Social Worker in Brooklyn, NY

Active since June 29, 2026

NPPES record added: June 29, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Marissa Guinn NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARISSA GUINN (NPI 1457277741) is an individual social worker in Brooklyn, New York, licensed in New York (12919901) and active in the NPI registry since June 2026.

NPPES Registry Identity

NPI1457277741
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameMARISSA GUINN
Location Address25 ELM PLBrooklyn, NY 11201-5355
Mailing Address285 Saint Johns Pl Apt 35Brooklyn, NY 11238-5634
Phone(817) 808-3893
Sole ProprietorNo
Enumeration DateJune 29, 2026
NPPES CertifiedJune 29, 2026
✔ NPI 1457277741 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in NY · 12919901
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
25 ELM PL, Brooklyn, NY 11201
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Other Providers at the Same Location NPPES 15

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MATTHEW DOUGHERTY
Counselor (Mental Health)
25 ELM PL
BROOKLYN, NY 11201
Kings County (718) 802-0666
ZITONG LI
Counselor (Mental Health)
25 ELM PL
BROOKLYN, NY 11201
Kings County (718) 802-0666
JEANANNE DROPP LMSW
Social Worker (Clinical)
25 ELM PL
BROOKLYN, NY 11201
Kings County (718) 875-1420
XING YING CHEN
Social Worker
25 ELM PL
BROOKLYN, NY 11201
Kings County (718) 802-0666
JEAN L MINKEL PT
Physical Therapist (Neurology)
25 ELM PL, 5TH FLOOR
BROOKLYN, NY 11201
Kings County (212) 584-2502
RUYUN LIU
Counselor (Mental Health)
25 ELM PL
BROOKLYN, NY 11201
Kings County (718) 802-0666
MS. MARGARET LOUISE DAGROSA MHC
Counselor (Mental Health)
25 ELM PL
BROOKLYN, NY 11201
Kings County (718) 802-0666
JIAQI LIU
Counselor (Mental Health)
25 ELM PL
BROOKLYN, NY 11201
Kings County (718) 802-0666

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marissa Guinn's NPI number?

The NPI number for Marissa Guinn is 1457277741. It was assigned to this individual provider in the NPPES registry on June 29, 2026.

Where is Marissa Guinn located?

Marissa Guinn practices at 25 Elm Pl, Brooklyn, NY 11201. The listed phone number is (817) 808-3893.

What is Marissa Guinn's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for Marissa Guinn was last updated on June 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 50 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.