LARISA ANATOLIEVNA RUSYN M.D.
NPI 1861771990
Pediatrics - Pediatric Endocrinology in New York, NY
About Larisa Anatolievna Rusyn M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LARISA ANATOLIEVNA RUSYN M.D. (NPI 1861771990) is an individual pediatric endocrinology provider in New York, New York, licensed in New York (IN PROGRESS) and active in the NPI registry since August 2011. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Larisa Anatolievna Rusyn M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Larisa Rusyn reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Staten Island, NY 10310
- Reassigned Medicare billing, New York enrollment
- 305 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 10016 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Larisa Rusyn's NPI number?
The NPI number for Larisa Rusyn is 1861771990. It was assigned to this individual provider in the NPPES registry on August 7, 2011. The provider is also known as Larisa Anatolievna Roussina.
Where is Larisa Rusyn located?
Larisa Rusyn practices at 462 1st Ave Rm 8w52, New York, NY 10016. The listed phone number is (212) 562-6904.
What is Larisa Rusyn's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Endocrinology, with taxonomy code 2080P0205X.
Is Larisa Rusyn enrolled in Medicare?
Yes. Larisa Rusyn is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Larisa Rusyn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Larisa Rusyn reassigns Medicare benefits to Amboy Medical Practice PC (Staten Island, 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 Larisa Rusyn'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 Larisa Rusyn was last updated on August 7, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.