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

LOU EMMA ABECASSIS
NPI 1134045933
Counselor - Mental Health in Cambridge, MA

Q: What is Lou Abecassis's NPI number?

The NPI number for Lou Abecassis is 1134045933. It was assigned to this individual provider in the NPPES registry on June 25, 2026.

Q: What is Lou Abecassis's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Lou Abecassis was last updated on June 25, 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.

Active since June 25, 2026

129 MOUNT AUBURN ST STE 1, CAMBRIDGE, MA 02138(781) 650-2519 Get Directions Write a Review

NPPES record added: June 25, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Lou Emma Abecassis NPPES

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

LOU EMMA ABECASSIS (NPI 1134045933) is an individual mental health provider in Cambridge, Massachusetts, licensed in Massachusetts (11284) and active in the NPI registry since June 2026.

NPPES Registry Identity

NPI1134045933

Entity TypeIndividualFemale

Primary Taxonomy101YM0800X

Provider Legal NameLOU EMMA ABECASSIS

Location Address129 MOUNT AUBURN ST STE 1Cambridge, MA 02138-5816

Mailing Address129 Mount Auburn St Ste 1Cambridge, MA 02138-5816 · (781) 650-2519

Phone(781) 650-2519

Sole ProprietorNo

Enumeration DateJune 25, 2026

NPPES CertifiedJune 25, 2026

✔ NPI 1134045933 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 MA · 11284

129 MOUNT AUBURN ST STE 1, Cambridge, MA 02138

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Other Providers at the Same Location NPPES

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

EREN ULUDERYA

Counselor (Mental Health)

129 MOUNT AUBURN ST STE 1
CAMBRIDGE, MA 02138

Middlesex County (972) 358-7114

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 Lou Abecassis's NPI number?

The NPI number for Lou Abecassis is 1134045933. It was assigned to this individual provider in the NPPES registry on June 25, 2026.

Where is Lou Abecassis located?

Lou Abecassis practices at 129 Mount Auburn St Ste 1, Cambridge, MA 02138. The listed phone number is (781) 650-2519.

What is Lou Abecassis'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 Lou Abecassis was last updated on June 25, 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.