MRS. BLANCHE J GRONOWSKI LCSW
NPI 1295820074
Social Worker - Clinical in Waterbury, CT
About Mrs. Blanche J Gronowski Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. BLANCHE J GRONOWSKI LCSW (NPI 1295820074) is an individual clinical provider in Waterbury, Connecticut, licensed in Connecticut (007579) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS.
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 (PECOS)
Mrs. Blanche J Gronowski Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Blanche Gronowski reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Waterbury, CT 06702
- Reassigned Medicare billing, Connecticut enrollment
- 102 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06702 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 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WATERBURY, CT 06702
WATERBURY, CT 06702
WATERBURY, CT 06702
WATERBURY, CT 06702
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 Blanche Gronowski's NPI number?
The NPI number for Blanche Gronowski is 1295820074. It was assigned to this individual provider in the NPPES registry on October 4, 2006.
Where is Blanche Gronowski located?
Blanche Gronowski practices at 95 Thomaston Ave, Waterbury, CT 06702. The listed phone number is (203) 805-5321.
What is Blanche Gronowski's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Blanche Gronowski enrolled in Medicare?
Yes. Blanche Gronowski is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Blanche Gronowski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Blanche Gronowski reassigns Medicare benefits to State Of Connecticut (Waterbury, 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 Blanche Gronowski'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 Blanche Gronowski was last updated on April 5, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Mrs. Blanche J Gronowski, LCSW · NPI 1295820074
Clinical provider in Waterbury, Connecticut. Individual provider, active in the CMS NPPES registry since October 4, 2006.
## Identity
- **NPI:** 1295820074 (Entity type: Individual)
- **Enumerated:** October 4, 2006
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 007579 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 95 THOMASTON AVE, Waterbury, CT 06702-1007
- **Phone:** (203) 805-5321
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** State Of Connecticut (NPI 1841225489, Waterbury, CT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 5, 2012
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Source: [NPI Profile](https://npiprofile.com/npi/1295820074) · Data from the CMS NPPES public registry.