SARI KOPPEL MS, CCC-SLP
NPI 1104784743
Speech-Language Pathologist in Greenwich, CT
About Sari Koppel Ms, Ccc-slp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SARI KOPPEL MS, CCC-SLP (NPI 1104784743) is an individual speech-language pathologist provider in Greenwich, Connecticut, licensed in New York (035864-01) and active in the NPI registry since January 2026. She is a graduate of New York Medical College (2023).
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
Sari Koppel Ms, Ccc-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 Reassignment
Medicare enrollment records show Sari Koppel reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New Haven, CT 06519
- Reassigned Medicare billing, Connecticut enrollment
- 3,728 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.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Sari Koppel's NPI number?
The NPI number for Sari Koppel is 1104784743. It was assigned to this individual provider in the NPPES registry on January 13, 2026.
Where is Sari Koppel located?
Sari Koppel practices at 55 Holly Hill Ln Ste 240, Greenwich, CT 06830. The listed phone number is (203) 785-5430.
What is Sari Koppel's specialty?
The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.
Is Sari Koppel enrolled in Medicare?
Yes. Sari Koppel 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 Sari Koppel's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sari Koppel reassigns Medicare benefits to Yale University (New Haven, CT). 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 Sari Koppel'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 Sari Koppel was last updated on January 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Sari Koppel, MS, CCC-SLP · NPI 1104784743
Speech-Language Pathologist provider in Greenwich, Connecticut. Individual provider, active in the CMS NPPES registry since January 13, 2026.
## Identity
- **NPI:** 1104784743 (Entity type: Individual)
- **Enumerated:** January 13, 2026
- **Primary specialty:** Speech-Language Pathologist · taxonomy 235Z00000X
- **State license:** 035864-01 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 55 HOLLY HILL LN STE 240, Greenwich, CT 06830-6074
- **Phone:** (203) 785-5430
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Yale University (NPI 1124148887, New Haven, CT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York Medical College, class of 2023
## Record status
- **NPPES last updated:** January 13, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1104784743) · Data from the CMS NPPES public registry.