1. Home
  2. Directory
  3. New York
  4. Brooklyn
  5. Speech Language Pathologist
  6. NPI Profile

MRS. LEAH HIRTH MS CCC SLP
NPI 1427389576
Speech-Language Pathologist in Brooklyn, NY

Active since January 28, 2010
3820 14TH AVE, BROOKLYN, NY 11218(718) 435-8080(718) 435-8015 Get Directions Write a Review

NPPES record last updated: January 28, 2010. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Mrs. Leah Hirth Ms Ccc Slp NPPES

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

MRS. LEAH HIRTH MS CCC SLP (NPI 1427389576) is an individual speech-language pathologist provider in Brooklyn, New York, licensed in New York (008991) and active in the NPI registry since January 2010.

NPPES Registry Identity

NPI1427389576
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameMRS. LEAH HIRTHCredential: MS CCC SLP
Location Address3820 14TH AVEBrooklyn, NY 11218-3610
Mailing Address1070 E 17th StBrooklyn, NY 11230-4413 · (718) 986-7648 · Fax (718) 677-7521
Phone(718) 435-8080
Fax(718) 435-8015
Sole ProprietorYes
Enumeration DateJanuary 28, 2010
✔ NPI 1427389576 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 · 008991
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.
3820 14TH AVE, Brooklyn, NY 11218
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Leah Hirth Ms Ccc Slp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

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

Harmony Services, Inc.
Same address
Developmental Disabilities
3820 14TH AVE
Brooklyn, NY 11218
  • Reassigned Medicare billing, New York enrollment
  • 10 clinicians in this Medicare group
NPI 1285885657 (718) 435-8080

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 9

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

FRAIDEL KLEIN
Speech-Language Pathologist
3820 14TH AVE
BROOKLYN, NY 11218
Kings County (718) 435-8080
DEVORAH STEFANSKY MS SLP
Speech-Language Pathologist
3820 14TH AVE
BROOKLYN, NY 11218
Kings County (718) 435-8080
DR. YARON BARACH MA, DPT
Physical Therapist
3820 14TH AVE
BROOKLYN, NY 11218
Kings County (718) 435-8004
HARMONY SERVICES, INC.
Case Management
3820 14TH AVE
BROOKLYN, NY 11218
Kings County (718) 435-8080
MR. NACHMAN CHOPP LMSW
Social Worker
3820 14TH AVE
BROOKLYN, NY 11218
Kings County (718) 435-8080
HARMONY SERVICES, INC.
Clinic/Center (Developmental Disabilities)
3820 14TH AVE
BROOKLYN, NY 11218
Kings County (718) 435-8080
LIMOR COHEN-SAAD MS SLP-CF, TSSLD
Speech-Language Pathologist
3820 14TH AVE
BROOKLYN, NY 11218
Kings County (718) 435-8080
HARMONY SERVICES, INC.
Community/Behavioral Health
3820 14TH AVE
BROOKLYN, NY 11218
Kings County (718) 435-8080

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 Leah Hirth's NPI number?

The NPI number for Leah Hirth is 1427389576. It was assigned to this individual provider in the NPPES registry on January 28, 2010.

Where is Leah Hirth located?

Leah Hirth practices at 3820 14th Ave, Brooklyn, NY 11218. The listed phone number is (718) 435-8080.

What is Leah Hirth's specialty?

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

Is Leah Hirth enrolled in Medicare?

Yes. Leah Hirth is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Leah Hirth's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Leah Hirth reassigns Medicare benefits to Harmony Services, Inc. (Brooklyn, 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 Leah Hirth'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 Leah Hirth was last updated on January 28, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years 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.