YELENA PATSIORNIK MD
NPI 1639364243
Internal Medicine - Hematology & Oncology in Brewer, ME
About Yelena Patsiornik Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
YELENA PATSIORNIK MD (NPI 1639364243) is an individual hematology & oncology provider in Brewer, Maine, licensed in Maine (MD18105) and active in the NPI registry since September 2007. She is enrolled in Medicare PECOS, is affiliated with Montefiore Medical Center, and is a graduate of Other (1992).
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
Yelena Patsiornik 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 Yelena Patsiornik reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
White Plains, NY 10601
- Reassigned Medicare billing, New York enrollment
- 445 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 4
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Montefiore Medical Center
Acute Care Hospitals · Bronx, NYWhite Plains Hospital Center
Acute Care Hospitals · White Plains, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 04412 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BREWER, ME 04412
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 Yelena Patsiornik's NPI number?
The NPI number for Yelena Patsiornik is 1639364243. It was assigned to this individual provider in the NPPES registry on September 7, 2007.
Where is Yelena Patsiornik located?
Yelena Patsiornik practices at 43 Whiting Hill Rd Ste 300, Brewer, ME 04412. The listed phone number is (207) 973-7478.
What is Yelena Patsiornik's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Yelena Patsiornik enrolled in Medicare?
Yes. Yelena Patsiornik 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 Yelena Patsiornik's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Yelena Patsiornik reassigns Medicare benefits to White Plains Physician Services PC (White Plains, 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 Yelena Patsiornik's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Yelena Patsiornik affiliated with any hospitals?
According to CMS data, Yelena Patsiornik is affiliated with Montefiore Medical Center and White Plains Hospital Center.
When was this NPI record last updated?
The NPPES record for Yelena Patsiornik was last updated on November 16, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.