CELENA MATSEN LCSW
NPI 1861144321
Social Worker - Clinical in Delmar, NY
About Celena Matsen Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CELENA MATSEN LCSW (NPI 1861144321) is an individual clinical provider in Delmar, New York, licensed in New York (075466) and active in the NPI registry since January 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2000).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Accepted Insurance
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
Celena Matsen Lcsw 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 Celena Matsen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Francisco, CA 94131
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Brightside Medical PC
- 42 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 12054 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Celena Matsen's NPI number?
The NPI number for Celena Matsen is 1861144321. It was assigned to this individual provider in the NPPES registry on January 25, 2022.
Where is Celena Matsen located?
Celena Matsen practices at 447 Kenwood Ave, Delmar, NY 12054. The listed phone number is (718) 530-3961.
What is Celena Matsen's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Celena Matsen enrolled in Medicare?
Yes. Celena Matsen 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 Celena Matsen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Celena Matsen reassigns Medicare benefits to Brightside Medical, P.C. (San Francisco, CA). 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 Celena Matsen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Celena Matsen accept?
Health plans from UnitedHealthcare list Celena Matsen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Celena Matsen was last updated on October 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 days 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.
# Celena Matsen, LCSW · NPI 1861144321
Clinical provider in Delmar, New York. Individual provider, active in the CMS NPPES registry since January 25, 2022.
## Identity
- **NPI:** 1861144321 (Entity type: Individual)
- **Enumerated:** January 25, 2022
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 075466 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 447 KENWOOD AVE, Delmar, NY 12054-1840
- **Phone:** (718) 530-3961
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Brightside Medical, P.C. (NPI 1508325184, San Francisco, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2000
## Record status
- **NPPES last updated:** October 23, 2026
- **Other identifiers:** Other 44SC06713500 (NJ); Other TPSW6702 (FL)
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Source: [NPI Profile](https://npiprofile.com/npi/1861144321) · Data from the CMS NPPES public registry.