SHARON KRIEGER MD
NPI 1255386710
Internal Medicine in Mount Kisco, NY
About Sharon Krieger Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHARON KRIEGER MD (NPI 1255386710) is an individual internal medicine provider in Mount Kisco, New York, licensed in New York (191377) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS, is affiliated with Northern Westchester Hospital, and is a graduate of Louisiana State University School Of Medicine In New Orleans (1991).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
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
Sharon Krieger 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 Reassignments
2Medicare enrollment records show Sharon Krieger reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mount Kisco, NY 10549
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Optum Medical Care PC
- 1,601 clinicians in this Medicare group
Great Neck, NY 11021
- Reassigned Medicare billing, New York enrollment
- 9,353 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 38
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.
Northern Westchester Hospital
Acute Care Hospitals · Mount Kisco, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10549 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.
MOUNT KISCO, NY 10549
MOUNT KISCO, NY 10549
MOUNT KISCO, NY 10549
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 Sharon Krieger's NPI number?
The NPI number for Sharon Krieger is 1255386710. It was assigned to this individual provider in the NPPES registry on May 23, 2006.
Where is Sharon Krieger located?
Sharon Krieger practices at 90 S Bedford Rd Care Mount Medical PC, Mount Kisco, NY 10549. The listed phone number is (914) 241-1050.
What is Sharon Krieger's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Sharon Krieger enrolled in Medicare?
Yes. Sharon Krieger 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 Sharon Krieger's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sharon Krieger reassigns Medicare benefits to 2 organizations: Optum Medical Care, P.C. (Mount Kisco, NY) and North Shore-Lij Medical PC (Great Neck, NY). 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 Sharon Krieger's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Sharon Krieger affiliated with any hospitals?
According to CMS data, Sharon Krieger is affiliated with Northern Westchester Hospital.
When was this NPI record last updated?
The NPPES record for Sharon Krieger was last updated on November 11, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.