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GABRIELLE SOPHIE BLEYNIS SLP
NPI 1942017165
Speech-Language Pathologist in Brooklyn, NY

Active since December 11, 2024Accepts Medicare Assignment
636 LOUISIANA AVE, BROOKLYN, NY 11239(718) 557-0777 Get Directions Write a Review

NPPES record last updated: November 11, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Nov 11, 2025, Dec 11, 2024 (2 updates tracked since 2024).

About Gabrielle Sophie Bleynis Slp NPPES

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

GABRIELLE SOPHIE BLEYNIS SLP (NPI 1942017165) is an individual speech-language pathologist provider in Brooklyn, New York, licensed in New York (036235) and active in the NPI registry since December 2024. She is a graduate of Other (2024).

NPPES Registry Identity

NPI1942017165
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameGABRIELLE SOPHIE BLEYNISCredential: SLP
Location Address636 LOUISIANA AVEBrooklyn, NY 11239-1526
Mailing Address2370 Ocean Ave Apt 3dBrooklyn, NY 11229-3515 · (646) 549-7284
Phone(718) 557-0777
Sole ProprietorYes
Medical School CMSOtherGraduated 2024
Enumeration DateDecember 11, 2024
Last NPPES UpdateNovember 11, 20252 updates tracked since enumeration
NPPES CertifiedNovember 11, 2025
✔ NPI 1942017165 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpeech-Language PathologistSpeech, Language and Hearing Service Providers
Taxonomy Code235Z00000X
License✔ Licensed in NY · 036235
Definition
The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.
636 LOUISIANA AVE, Brooklyn, NY 11239
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Gabrielle Sophie Bleynis Slp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4486146230
PECOS Enrollment IDI20251119004901

Medicare Billing Reassignment

Medicare enrollment records show Gabrielle Bleynis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Ats Rehab Ot & Pt & Slp PLLC
12 mi
Occupational Therapist
274 W BROADWAY
Long Beach, NY 11561
  • Reassigned Medicare billing, New York enrollment
  • 72 clinicians in this Medicare group
NPI 1841711454 (718) 809-4370

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 3

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

BOULEVARD ADULT DAY CARE OF FLUSHING
Clinic/Center (Adult Day Care)
636 LOUISIANA AVE
BROOKLYN, NY 11239
Kings County (718) 557-0999
BRIANNA MICHELLE LEGOVICH OTR/L
Occupational Therapist
636 LOUISIANA AVE
BROOKLYN, NY 11239
Kings County (718) 557-0777
BROOKLYN BOULEVARD ALP
Custodial Care Facility (Adult Care Home)
636 LOUISIANA AVE
BROOKLYN, NY 11239
Kings County (718) 557-0777

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 Gabrielle Bleynis's NPI number?

The NPI number for Gabrielle Bleynis is 1942017165. It was assigned to this individual provider in the NPPES registry on December 11, 2024.

Where is Gabrielle Bleynis located?

Gabrielle Bleynis practices at 636 Louisiana Ave, Brooklyn, NY 11239. The listed phone number is (718) 557-0777.

What is Gabrielle Bleynis's specialty?

The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.

Is Gabrielle Bleynis enrolled in Medicare?

Yes. Gabrielle Bleynis is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Gabrielle Bleynis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gabrielle Bleynis reassigns Medicare benefits to Ats Rehab Ot & Pt & Slp PLLC (Long Beach, NY). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gabrielle Bleynis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Gabrielle Bleynis was last updated on November 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.