MARNEE SPIERER M.D.
NPI 1033290465
Radiology - Radiation Oncology in New York, NY
About Marnee Spierer M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARNEE SPIERER M.D. (NPI 1033290465) is an individual radiation oncology provider in New York, New York, licensed in New York (221991) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS and is a graduate of Columbia University College Of Physicians And Surgeons (2000).
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
Marnee Spierer M.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 Reassignment
Medicare enrollment records show Marnee Spierer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Goodyear, AZ 85338
- Reassigned Medicare billing, Arizona enrollment
- 359 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 20
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 10007 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW YORK, NY 10007
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 Marnee Spierer's NPI number?
The NPI number for Marnee Spierer is 1033290465. It was assigned to this individual provider in the NPPES registry on October 19, 2006.
Where is Marnee Spierer located?
Marnee Spierer practices at 21 West Broadway, New York, NY 10007. The listed phone number is (212) 300-0663.
What is Marnee Spierer's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
Is Marnee Spierer enrolled in Medicare?
Yes. Marnee Spierer 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 organization bills Medicare for Marnee Spierer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marnee Spierer reassigns Medicare benefits to City Of Hope Medical Group Of Arizona LLC (Goodyear, AZ). 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 Marnee Spierer'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 Marnee Spierer was last updated on December 27, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.