ROSS FIRESTONE MD, PHD
NPI 1063972107
Internal Medicine - Hematology & Oncology in Montvale, NJ
About Ross Firestone Md, Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROSS FIRESTONE MD, PHD (NPI 1063972107) is an individual hematology & oncology provider in Montvale, New Jersey, licensed in New York (307320) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (2019).
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
Ross Firestone Md, Phd 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
4Medicare enrollment records show Ross Firestone reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Montvale, NJ 07645
- Reassigned Medicare billing, New Jersey enrollment
- 401 clinicians in this Medicare group
West Harrison, NY 10604
- Reassigned Medicare billing, New York enrollment
- 328 clinicians in this Medicare group
New York, NY 10021
- Reassigned Medicare billing, New York enrollment
- 428 clinicians in this Medicare group
Middletown, NJ 07748
- Reassigned Medicare billing, New Jersey enrollment
- 464 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 07645 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MONTVALE, NJ 07645
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 Ross Firestone's NPI number?
The NPI number for Ross Firestone is 1063972107. It was assigned to this individual provider in the NPPES registry on March 24, 2019.
Where is Ross Firestone located?
Ross Firestone practices at 225 Summit Ave, Montvale, NJ 07645. The listed phone number is (201) 775-7000.
What is Ross Firestone's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Ross Firestone enrolled in Medicare?
Yes. Ross Firestone 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 Ross Firestone's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ross Firestone reassigns Medicare benefits to 4 organizations: Msk Bergen (Montvale, NJ), Msk Harrison (West Harrison, NY), Memorial Hematology Lymphoma Group (New York, NY) and Msk Monmouth (Middletown, NJ). 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 Ross Firestone'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 Ross Firestone was last updated on May 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.