EKATERINA SIKORSKAYA-SHARMA M.D.
NPI 1275823866
Internal Medicine in La Crosse, WI
About Ekaterina Sikorskaya-sharma M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
EKATERINA SIKORSKAYA-SHARMA M.D. (NPI 1275823866) is an individual internal medicine provider in La Crosse, Wisconsin, licensed in Wisconsin (72227) and active in the NPI registry since April 2011. She is enrolled in Medicare PECOS, is affiliated with Brooklyn Hospital Center - Downtown Campus, and is a graduate of Other (2008).
NPPES Registry Identity
Specialties & Licenses 2
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 and accepts Medicare assignment
Ekaterina Sikorskaya-sharma M.d. 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 Reassignments
5Medicare enrollment records show Ekaterina Sikorskaya-sharma reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
La Crosse, WI 54601
- Reassigned Medicare billing, Wisconsin enrollment
- 1,457 clinicians in this Medicare group
Blair, WI 54616
- Reassigned Medicare billing, Wisconsin enrollment
- 293 clinicians in this Medicare group
Hillsboro, WI 54634
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: St Josephs Health Services Inc
- 282 clinicians in this Medicare group
Friendship, WI 53934
- Reassigned Medicare billing, Wisconsin enrollment
- 280 clinicians in this Medicare group
Wakefield, RI 02879
- Reassigned Medicare billing, New York enrollment
- 28 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Brooklyn Hospital Center - Downtown Campus
Acute Care Hospitals · Brooklyn, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54601 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LA CROSSE, WI 54601
LA CROSSE, WI 54601
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 Ekaterina Sikorskaya-sharma's NPI number?
The NPI number for Ekaterina Sikorskaya-sharma is 1275823866. It was assigned to this individual provider in the NPPES registry on April 15, 2011. The provider is also known as Ekaterina Sikorskaya M.D..
Where is Ekaterina Sikorskaya-sharma located?
Ekaterina Sikorskaya-sharma practices at 1836 South Ave, La Crosse, WI 54601. The listed phone number is (718) 207-5369.
What is Ekaterina Sikorskaya-sharma's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Ekaterina Sikorskaya-sharma enrolled in Medicare?
Yes. Ekaterina Sikorskaya-sharma 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 organizations bill Medicare for Ekaterina Sikorskaya-sharma's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ekaterina Sikorskaya-sharma reassigns Medicare benefits to 5 organizations: Gundersen Lutheran Medical Center, Inc (La Crosse, WI), Tri-County Memorial Hospital, Inc. (Blair, WI), St. Joseph's Health Services, Inc. (Hillsboro, WI), Moundview Memorial Hospital & Clinics, Inc (Friendship, WI) and Atlantic Professional Services Of Rhode Island Incorporated (Wakefield, RI). Each 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 Ekaterina Sikorskaya-sharma's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Ekaterina Sikorskaya-sharma affiliated with any hospitals?
According to CMS data, Ekaterina Sikorskaya-sharma is affiliated with Brooklyn Hospital Center - Downtown Campus.
When was this NPI record last updated?
The NPPES record for Ekaterina Sikorskaya-sharma was last updated on February 12, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.