DR. ALEXANDER K LYASHCHENKO
NPI 1003261801
Pathology - Clinical Pathology in New York, NY
About Dr. Alexander K Lyashchenko NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEXANDER K LYASHCHENKO (NPI 1003261801) is an individual clinical pathology provider in New York, New York, licensed in New York (296963) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS.
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 (PECOS)
Dr. Alexander K Lyashchenko is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Alexander Lyashchenko reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New York, NY 10032
- Reassigned Medicare billing, New York enrollment
- 3,922 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 10033 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 Alexander Lyashchenko's NPI number?
The NPI number for Alexander Lyashchenko is 1003261801. It was assigned to this individual provider in the NPPES registry on April 28, 2016.
Where is Alexander Lyashchenko located?
Alexander Lyashchenko practices at 8 Magaw Pl Apt 24B, New York, NY 10033. The listed phone number is (917) 463-9183.
What is Alexander Lyashchenko's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Clinical Pathology, with taxonomy code 207ZC0006X.
Is Alexander Lyashchenko enrolled in Medicare?
Yes. Alexander Lyashchenko is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Alexander Lyashchenko's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Lyashchenko reassigns Medicare benefits to Trustees Of Columbia University In The City Of New York (New York, 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 Alexander Lyashchenko'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 Alexander Lyashchenko was last updated on February 23, 2021. 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.