RITA WEISS M.D.,PH.D.
NPI 1578566089
Internal Medicine - Hematology & Oncology in Great Neck, NY
About Rita Weiss M.d.,ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RITA WEISS M.D.,PH.D. (NPI 1578566089) is an individual hematology & oncology provider in Great Neck, New York, licensed in Florida (ME176336) and active in the NPI registry since May 2005. She is enrolled in Medicare PECOS, is affiliated with St Francis Hospital - The Heart Center, and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 4
Other Identifiers 2
Accepted Insurance
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
Rita Weiss M.d.,ph.d. 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 Rita Weiss reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Port Jefferson Station, NY 11776
- Reassigned Medicare billing, New York enrollment
- 636 clinicians in this Medicare group
Melbourne, FL 32901
- Reassigned Medicare billing, Florida enrollment
- 773 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 48
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Francis Hospital - The Heart Center
Acute Care Hospitals · Roslyn, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11021 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.
Reported Quality Measures
Other Providers at the Same Location NPPES 18
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GREAT NECK, NY 11021
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 Rita Weiss's NPI number?
The NPI number for Rita Weiss is 1578566089. It was assigned to this individual provider in the NPPES registry on May 31, 2005.
Where is Rita Weiss located?
Rita Weiss practices at 107 Northern Blvd Ste 306, Great Neck, NY 11021. The listed phone number is (516) 482-0080.
What is Rita Weiss's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Rita Weiss enrolled in Medicare?
Yes. Rita Weiss 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 Rita Weiss's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rita Weiss reassigns Medicare benefits to 2 organizations: North Shore Hematology Oncology Associates PC (Port Jefferson Station, NY) and Health First Medical Group, LLC (Melbourne, FL). 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 Rita Weiss's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Rita Weiss accept?
Health plans from Florida Blue (BlueCross BlueShield FL) and Florida Blue HMO (a BlueCross BlueShield FL company) list Rita Weiss as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Rita Weiss affiliated with any hospitals?
According to CMS data, Rita Weiss is affiliated with St Francis Hospital - The Heart Center.
When was this NPI record last updated?
The NPPES record for Rita Weiss was last updated on April 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.