MS. MARIAN M MULLAHY L.C.S.W.
NPI 1992080444
Social Worker - Clinical in Sharon Hill, PA
About Ms. Marian M Mullahy L.c.s.w. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. MARIAN M MULLAHY L.C.S.W. (NPI 1992080444) is an individual clinical provider in Sharon Hill, Pennsylvania, licensed in Pennsylvania (CW016845) and active in the NPI registry since October 2011. She is enrolled in Medicare PECOS and is a graduate of Other (1994).
NPPES Registry Identity
Specialties & Licenses
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
Ms. Marian M Mullahy L.c.s.w. 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 Reassignments
2Medicare enrollment records show Marian Mullahy reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Narberth, PA 19072
- Reassigned Medicare billing, Pennsylvania enrollment
Monsey, NY 10952
- Reassigned Medicare billing, Pennsylvania enrollment
- 160 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 2
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 19079 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
SHARON HILL, PA 19079
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 Marian Mullahy's NPI number?
The NPI number for Marian Mullahy is 1992080444. It was assigned to this individual provider in the NPPES registry on October 17, 2011.
Where is Marian Mullahy located?
Marian Mullahy practices at 800 Chester Pike, Sharon Hill, PA 19079. The listed phone number is (610) 537-1622.
What is Marian Mullahy's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Marian Mullahy enrolled in Medicare?
Yes. Marian Mullahy 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 organizations bill Medicare for Marian Mullahy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marian Mullahy reassigns Medicare benefits to 2 organizations: Center For Conscious Aging And Wellness (Narberth, PA) and Supportive Care Of Pennsylvania LLC (Monsey, NY). Each 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 Marian Mullahy'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 Marian Mullahy was last updated on October 17, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.