MARGARET CHIFONG TAM NURSE PRACTITIONER
NPI 1215542923
Nurse Practitioner - Family in Staten Island, NY
About Margaret Chifong Tam Nurse Practitioner NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARET CHIFONG TAM NURSE PRACTITIONER (NPI 1215542923) is an individual family provider in Staten Island, New York, licensed in New York (F345696-01) and active in the NPI registry since September 2020. She is enrolled in Medicare PECOS.
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 (PECOS)
Margaret Chifong Tam Nurse Practitioner is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Margaret Tam reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Brooklyn, NY 11220
- Reassigned Medicare billing, New York enrollment
- 38 clinicians in this Medicare group
Brooklyn, NY 11219
- Reassigned Medicare billing, New York enrollment
- 1,177 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10304 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Tam's NPI number?
The NPI number for Margaret Tam is 1215542923. It was assigned to this individual provider in the NPPES registry on September 10, 2020.
Where is Margaret Tam located?
Margaret Tam practices at 85 Venice Avenue, Staten Island, NY 10304. The listed phone number is (212) 810-6419.
What is Margaret Tam's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Margaret Tam enrolled in Medicare?
Yes. Margaret Tam is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Margaret Tam's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Tam reassigns Medicare benefits to 2 organizations: Mmc Hematology Oncology Fpp (Brooklyn, NY) and Maimonides Faculty Practice Plan (Brooklyn, 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 Margaret Tam'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 Tam was last updated on September 10, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.