IRINA RYBALOVA MD
NPI 1386864486
Internal Medicine - Hematology & Oncology in Nyack, NY
About Irina Rybalova Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
IRINA RYBALOVA MD (NPI 1386864486) is an individual hematology & oncology provider in Nyack, New York, licensed in New York (218821) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS, is affiliated with Nyack Hospital, and is a graduate of Other (1993).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Irina Rybalova Md 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 Irina Rybalova reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Nyack, NY 10960
- Reassigned Medicare billing, New York enrollment
- 130 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 9
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Nyack Hospital
Acute Care Hospitals · Nyack, NYGood Samaritan Hospital Of Suffern
Acute Care Hospitals · Suffern, NYHelen Hayes Hospital
Acute Care Hospitals · West Haverstraw, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10960 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.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
NYACK, NY 10960
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 Irina Rybalova's NPI number?
The NPI number for Irina Rybalova is 1386864486. It was assigned to this individual provider in the NPPES registry on April 30, 2007.
Where is Irina Rybalova located?
Irina Rybalova practices at 255 Fifth Ave, Nyack, NY 10960. The listed phone number is (845) 362-1750.
What is Irina Rybalova's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Irina Rybalova enrolled in Medicare?
Yes. Irina Rybalova 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 Irina Rybalova's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Irina Rybalova reassigns Medicare benefits to White Plains Medical Diagnostic Services, PC (Nyack, NY). 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 Irina Rybalova's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Irina Rybalova affiliated with any hospitals?
According to CMS data, Irina Rybalova is affiliated with Nyack Hospital, Good Samaritan Hospital Of Suffern and Helen Hayes Hospital.
When was this NPI record last updated?
The NPPES record for Irina Rybalova was last updated on June 30, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.