Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MRS. MARISSA MENDELSOHN LMHC
NPI 1245551068
Counselor - Mental Health in Merrick, NY

Q: What is Marissa Mendelsohn's NPI number?

The NPI number for Marissa Mendelsohn is 1245551068. It was assigned to this individual provider in the NPPES registry on June 16, 2010.

Q: What is Marissa Mendelsohn's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Active since June 16, 2010

1792 OLD MILL RD, MERRICK, NY 11566(646) 389-3398 Get Directions Write a Review

NPPES record last updated: August 3, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

On this page

About Mrs. Marissa Mendelsohn Lmhc NPPES

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

MRS. MARISSA MENDELSOHN LMHC (NPI 1245551068) is an individual mental health provider in Merrick, New York, licensed in New York (4498) and active in the NPI registry since June 2010.

NPPES Registry Identity

NPI1245551068

Entity TypeIndividualFemale

Primary Taxonomy101YM0800X

Provider Legal NameMRS. MARISSA MENDELSOHNCredential: LMHC

Location Address1792 OLD MILL RDMerrick, NY 11566-1508

Mailing Address1792 Old Mill RdNorth Merrick, NY 11566-1508

Phone(646) 389-3398

Sole ProprietorNo

Enumeration DateJune 16, 2010

Last NPPES UpdateAugust 3, 2026

NPPES CertifiedAugust 3, 2026

✔ NPI 1245551068 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers

Taxonomy Code101YM0800X

License✔ Licensed in NY · 4498

1792 OLD MILL RD, Merrick, NY 11566

Open in Google Maps ↗

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 Mendelsohn's NPI number?

The NPI number for Marissa Mendelsohn is 1245551068. It was assigned to this individual provider in the NPPES registry on June 16, 2010.

Where is Marissa Mendelsohn located?

Marissa Mendelsohn practices at 1792 Old Mill Rd, Merrick, NY 11566. The listed phone number is (646) 389-3398.

What is Marissa Mendelsohn's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Marissa Mendelsohn was last updated on August 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.