MARGARET CHIFONG TAM NURSE PRACTITIONER
NPI 1215542923
Nurse Practitioner - Family in Staten Island, NY

Active since September 10, 2020PECOS Enrolled
85 VENICE AVENUE, STATEN ISLAND, NY 10304(212) 810-6419 Get Directions Write a Review

NPPES record last updated: September 10, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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

NPI1215542923
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMARGARET CHIFONG TAMCredential: NURSE PRACTITIONER
Location Address85 VENICE AVENUEStaten Island, NY 10304
Mailing Address85 Venice AvenueStaten Island, NY 10304 · (212) 810-6419
Sole ProprietorNo
Enumeration DateSeptember 10, 2020
NPPES CertifiedSeptember 9, 2020
✔ NPI 1215542923 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in NY · F345696-01
85 VENICE AVENUE, Staten Island, NY 10304

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).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare 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.

Hematology & Oncology
6300 8TH AVE
Brooklyn, NY 11220
  • Reassigned Medicare billing, New York enrollment
  • 38 clinicians in this Medicare group
Internal Medicine
4802 10TH AVE
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.

New Patient
$105.06 typical visit price
range $67.40 – $203.53
Typical copayment $26.26 (range $16.85 – $50.88)
Most-billed visit code 99203
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.