CATHERINE SENDLEWSKI LMSW
NPI 1780238964
Social Worker in Middletown, NY
About Catherine Sendlewski Lmsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CATHERINE SENDLEWSKI LMSW (NPI 1780238964) is an individual social worker in Middletown, New York and active in the NPI registry since July 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Catherine Sendlewski 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 Catherine Sendlewski reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Middletown, NY 10940
- Reassigned Medicare billing, New York enrollment
- 103 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 20
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 Catherine Sendlewski's NPI number?
The NPI number for Catherine Sendlewski is 1780238964. It was assigned to this individual provider in the NPPES registry on July 26, 2019.
Where is Catherine Sendlewski located?
Catherine Sendlewski practices at 24 Union St, Middletown, NY 10940. The listed phone number is (845) 421-6355.
What is Catherine Sendlewski's specialty?
The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.
Is Catherine Sendlewski enrolled in Medicare?
Yes. Catherine Sendlewski 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 Catherine Sendlewski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Sendlewski reassigns Medicare benefits to Access: Supports For Living Inc. (Middletown, 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 Catherine Sendlewski'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 Catherine Sendlewski was last updated on July 26, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Catherine Sendlewski, LMSW · NPI 1780238964
Social Worker provider in Middletown, New York. Individual provider, active in the CMS NPPES registry since July 26, 2019.
## Identity
- **NPI:** 1780238964 (Entity type: Individual)
- **Enumerated:** July 26, 2019
- **Primary specialty:** Social Worker · taxonomy 104100000X
- **Sole proprietor:** Yes
## Practice location
- **Address:** 24 UNION ST, Middletown, NY 10940-4906
- **Phone:** (845) 421-6355
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Access: Supports For Living Inc. (NPI 1790326320, Middletown, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** July 26, 2019
- **Other identifiers:** Other 100116 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1780238964) · Data from the CMS NPPES public registry.