JOANNE MAYER MSSA, LISW-S, LCSW
NPI 1346265865
Social Worker - Clinical in King Of Prussia, PA
About Joanne Mayer Mssa, Lisw-s, Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOANNE MAYER MSSA, LISW-S, LCSW (NPI 1346265865) is an individual clinical provider in King Of Prussia, Pennsylvania, licensed in Pennsylvania (CW018672) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1998).
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
Joanne Mayer Mssa, Lisw-s, 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 Joanne Mayer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Media, PA 19063
- Reassigned Medicare billing, Pennsylvania enrollment
- 353 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19406 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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
KING OF PRUSSIA, PA 19406
KING OF PRUSSIA, PA 19406
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 Joanne Mayer's NPI number?
The NPI number for Joanne Mayer is 1346265865. It was assigned to this individual provider in the NPPES registry on July 13, 2006.
Where is Joanne Mayer located?
Joanne Mayer practices at 1005 W 9th Ave Ste B, King Of Prussia, PA 19406. The listed phone number is (610) 892-3800.
What is Joanne Mayer's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Joanne Mayer enrolled in Medicare?
Yes. Joanne Mayer 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 Joanne Mayer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joanne Mayer reassigns Medicare benefits to Delaware County Professional Services, Inc (Media, PA). 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 Joanne Mayer'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 Joanne Mayer was last updated on April 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.