SAM SIROTNIKOV DO
NPI 1457858409
Pathology - Anatomic Pathology & Clinical Pathology in Washington, DC
About Sam Sirotnikov Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SAM SIROTNIKOV DO (NPI 1457858409) is an individual anatomic pathology & clinical pathology provider in Washington, District Of Columbia, licensed in District Of Columbia (D0210012411) and active in the NPI registry since April 2018. 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)
Sam Sirotnikov Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Sam Sirotnikov reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia enrollment
- 1,417 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 20010 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.
WASHINGTON, DC 20010
WASHINGTON, DC 20010
WASHINGTON, DC 20010
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 Sam Sirotnikov's NPI number?
The NPI number for Sam Sirotnikov is 1457858409. It was assigned to this individual provider in the NPPES registry on April 6, 2018.
Where is Sam Sirotnikov located?
Sam Sirotnikov practices at 111 Michigan Ave NW, Washington, DC 20010. The listed phone number is (202) 476-2051.
What is Sam Sirotnikov's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.
Is Sam Sirotnikov enrolled in Medicare?
Yes. Sam Sirotnikov is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Sam Sirotnikov's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sam Sirotnikov reassigns Medicare benefits to Children's Hospital (Washington, DC). 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 Sam Sirotnikov'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 Sam Sirotnikov was last updated on June 20, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.