MARGARET MACK
NPI 1003444704
Student in an Organized Health Care Education/Training Program in Wynnewood, PA
About Margaret Mack NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARET MACK (NPI 1003444704) is an individual student in an organized health care education/training program in Wynnewood, Pennsylvania, licensed in Pennsylvania (OT019818) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Margaret Mack is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Margaret Mack reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Abington, PA 19001
- Reassigned Medicare billing, Pennsylvania enrollment
- 171 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 4
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.
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.
WYNNEWOOD, PA 19096
WYNNEWOOD, PA 19096
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 Margaret Mack's NPI number?
The NPI number for Margaret Mack is 1003444704. It was assigned to this individual provider in the NPPES registry on March 29, 2020.
Where is Margaret Mack located?
Margaret Mack practices at 100 E Lancaster Ave, Wynnewood, PA 19096. The listed phone number is (610) 642-3796.
What is Margaret Mack's specialty?
The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.
Is Margaret Mack enrolled in Medicare?
Yes. Margaret Mack is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Margaret Mack's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Mack reassigns Medicare benefits to Amh Medical Staff Service Fund (Abington, 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 Margaret Mack'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 Margaret Mack was last updated on June 6, 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.