MARY ANN FORSTER, LCSW, LLC
NPI 1689021818
Social Worker - Clinical in Montclair, NJ
About Mary Ann Forster, Lcsw, Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY ANN FORSTER, LCSW, LLC (NPI 1689021818) is a healthcare organization registered as a clinical in Montclair, New Jersey and active in the NPI registry since May 2016. The organization lists Mary Ann Forster, Owner, 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)
Mary Ann Forster, Lcsw, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Mary Ann Forster, Lcsw, LLC, which bills Medicare for the services this clinician delivers.
Clinician (1)
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 Mary Ann Forster, Lcsw, LLC's NPI number?
The NPI number for Mary Ann Forster, Lcsw, LLC is 1689021818. It was assigned to this organization in the NPPES registry on May 17, 2016.
Where is Mary Ann Forster, Lcsw, LLC located?
Mary Ann Forster, Lcsw, LLC is located at 101 Park St Suite 1, Montclair, NJ 07042. The listed phone number is (201) 503-4943.
What is Mary Ann Forster, Lcsw, LLC's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Mary Ann Forster, Lcsw, LLC enrolled in Medicare?
Yes. Mary Ann Forster, Lcsw, LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Mary Ann Forster, Lcsw, LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Social Worker) reassigns their Medicare billing to Mary Ann Forster, Lcsw, 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Mary Ann Forster, Lcsw, LLC was last updated on May 17, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Mary Ann Forster, Lcsw, Llc · NPI 1689021818
Clinical organization in Montclair, New Jersey. Organization record, active in the CMS NPPES registry since May 17, 2016.
## Identity
- **NPI:** 1689021818 (Entity type: Organization)
- **Enumerated:** May 17, 2016
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **Organization subpart:** No
- **Authorized official:** Mary Ann Forster, OWNER
## Practice location
- **Address:** 101 PARK ST, SUITE 1, Montclair, NJ 07042-2963
- **Phone:** (201) 503-4943
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Clinical Social Worker) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 17, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1689021818) · Data from the CMS NPPES public registry.