MS. NELLY GREIS SLP
NPI 1932543402
Speech-Language Pathologist in Brooklyn, NY
About Ms. Nelly Greis Slp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. NELLY GREIS SLP (NPI 1932543402) is an individual speech-language pathologist provider in Brooklyn, New York and active in the NPI registry since April 2013. She is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses
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
Ms. Nelly Greis 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.
Medicare Billing Reassignments
4Medicare enrollment records show Nelly Greis reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baldwin, NY 11510
- Reassigned Medicare billing, New York enrollment
- 52 clinicians in this Medicare group
Bronx, NY 10469
- Reassigned Medicare billing, New York enrollment
- 33 clinicians in this Medicare group
Newburgh, NY 12550
- Reassigned Medicare billing, New York enrollment
- 50 clinicians in this Medicare group
Newburgh, NY 12550
- Reassigned Medicare billing, New York enrollment
- 12 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Other Providers at the Same Location NPPES 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BROOKLYN, NY 11223
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 Nelly Greis's NPI number?
The NPI number for Nelly Greis is 1932543402. It was assigned to this individual provider in the NPPES registry on April 26, 2013.
Where is Nelly Greis located?
Nelly Greis practices at 440 Avenue P, Brooklyn, NY 11223. The listed phone number is (347) 268-5549.
What is Nelly Greis's specialty?
The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.
Is Nelly Greis enrolled in Medicare?
Yes. Nelly Greis 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 organizations bill Medicare for Nelly Greis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nelly Greis reassigns Medicare benefits to 4 organizations: Essential Ot, Pt, Slp & Psychology Services, PLLC (Baldwin, NY), Complete Slp, Ot, Pt & Psychology Services, PLLC (Bronx, NY), Caring Slp, Psychology, Ot & Nutrition Services, PLLC (Newburgh, NY) and Comprehensive Ot, Pt, Slp & Adult Health Np Services, PLLC (Newburgh, NY). Each 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 Nelly Greis'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 Nelly Greis was last updated on April 26, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Ms. Nelly Greis, SLP · NPI 1932543402
Speech-Language Pathologist provider in Brooklyn, New York. Individual provider, active in the CMS NPPES registry since April 26, 2013.
## Identity
- **NPI:** 1932543402 (Entity type: Individual)
- **Enumerated:** April 26, 2013
- **Primary specialty:** Speech-Language Pathologist · taxonomy 235Z00000X
- **Sole proprietor:** Yes
## Practice location
- **Address:** 440 AVENUE P, Brooklyn, NY 11223-1935
- **Phone:** (347) 268-5549
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Essential Ot, Pt, Slp & Psychology Services, PLLC (NPI 1093226805, Baldwin, NY); Complete Slp, Ot, Pt & Psychology Services, PLLC (NPI 1437616026, Bronx, NY); Caring Slp, Psychology, Ot & Nutrition Services, PLLC (NPI 1699226217, Newburgh, NY); Comprehensive Ot, Pt, Slp & Adult Health Np Services, PLLC (NPI 1619622461, Newburgh, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** April 26, 2013
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Source: [NPI Profile](https://npiprofile.com/npi/1932543402) · Data from the CMS NPPES public registry.