FANCHETTE GRUNBLATT LMSW
NPI 1598362576
Social Worker - Clinical in Copiague, NY
About Fanchette Grunblatt Lmsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
FANCHETTE GRUNBLATT LMSW (NPI 1598362576) is an individual clinical provider in Copiague, New York and active in the NPI registry since October 2020. She is enrolled in Medicare PECOS and is a graduate of Other.
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
Fanchette Grunblatt Lmsw 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 Fanchette Grunblatt reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New York, NY 10001
- Reassigned Medicare billing, New York enrollment
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11726 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
COPIAGUE, NY 11726
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 Fanchette Grunblatt's NPI number?
The NPI number for Fanchette Grunblatt is 1598362576. It was assigned to this individual provider in the NPPES registry on October 3, 2020.
Where is Fanchette Grunblatt located?
Fanchette Grunblatt practices at 445 Oak St, Copiague, NY 11726. The listed phone number is (631) 896-7389.
What is Fanchette Grunblatt's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Fanchette Grunblatt enrolled in Medicare?
Yes. Fanchette Grunblatt 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 Fanchette Grunblatt's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Fanchette Grunblatt reassigns Medicare benefits to Green Leaf Counseling Lcsw PLLC (New York, 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 Fanchette Grunblatt'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 Fanchette Grunblatt was last updated on October 3, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Fanchette Grunblatt, LMSW · NPI 1598362576
Clinical provider in Copiague, New York. Individual provider, active in the CMS NPPES registry since October 3, 2020.
## Identity
- **NPI:** 1598362576 (Entity type: Individual)
- **Enumerated:** October 3, 2020
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **Sole proprietor:** Yes
## Practice location
- **Address:** 445 OAK ST, Copiague, NY 11726-3111
- **Phone:** (631) 896-7389
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Green Leaf Counseling Lcsw PLLC (NPI 1053282954, New York, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other
## Record status
- **NPPES last updated:** October 3, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1598362576) · Data from the CMS NPPES public registry.