STREFF ASSOCIATES, LLC
NPI 1003368937
Social Worker in Acton, MA
About Streff Associates, Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STREFF ASSOCIATES, LLC (NPI 1003368937) is a healthcare organization registered as a social worker in Acton, Massachusetts and active in the NPI registry since October 2016. The organization lists Christopher Marobella, Clinical Director, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Streff Associates, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
10Medicare enrollment records show 10 clinicians reassign Medicare billing to Streff Associates, LLC, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 4 within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 4
Clinicians, nearest first (10)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Streff Associates, LLC's NPI number?
The NPI number for Streff Associates, LLC is 1003368937. It was assigned to this organization in the NPPES registry on October 26, 2016.
Where is Streff Associates, LLC located?
Streff Associates, LLC is located at 532 Great Rd, Acton, MA 01720. The listed phone number is (978) 263-0439.
What is Streff Associates, LLC's specialty?
The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.
Is Streff Associates, LLC enrolled in Medicare?
Yes. Streff Associates, LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Streff Associates, LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 10 clinicians in 4 Medicare specialties reassign their Medicare billing to Streff Associates, LLC. A 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 the clinician's services. The largest specialties are Clinical Social Worker (6), Mental Health Counselor (2) and Clinical Psychologist (1). Of these, 2 practice at this address and 4 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Streff Associates, LLC was last updated on October 26, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Streff Associates, Llc · NPI 1003368937
Social Worker organization in Acton, Massachusetts. Organization record, active in the CMS NPPES registry since October 26, 2016.
## Identity
- **NPI:** 1003368937 (Entity type: Organization)
- **Enumerated:** October 26, 2016
- **Primary specialty:** Social Worker · taxonomy 104100000X
- **Organization subpart:** No
- **Authorized official:** Christopher Marobella, CLINICAL DIRECTOR
## Practice location
- **Address:** 532 GREAT RD, Acton, MA 01720-3415
- **Phone:** (978) 263-0439 · **Fax:** (978) 263-5706
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 10 clinicians in 4 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Clinical Social Worker (6), Mental Health Counselor (2), Clinical Psychologist (1); 2 practice at this address and 4 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 26, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1003368937) · Data from the CMS NPPES public registry.