NICOLE GRASS CRNA
NPI 1356701478
Nurse Anesthetist, Certified Registered in Winchester, VA
About Nicole Grass Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NICOLE GRASS CRNA (NPI 1356701478) is an individual nurse anesthetist, certified registered in Winchester, Virginia, licensed in Maryland (R211308) and active in the NPI registry since March 2016. She is affiliated with Winchester Medical Center, maintains 2 additional practice locations, and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Accepted Insurance
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
Nicole Grass Crna 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
3Medicare enrollment records show Nicole Grass reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Winchester, VA 22601
- Reassigned Medicare billing, Virginia enrollment
- 154 clinicians in this Medicare group
Winchester, VA 22601
- Reassigned Medicare billing, Virginia enrollment
- 756 clinicians in this Medicare group
Winchester, VA 22603
- Reassigned Medicare billing, Virginia enrollment
- 104 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 5
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.
Winchester Medical Center
Acute Care Hospitals · Winchester, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22601 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
WINCHESTER, VA 22601
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 Nicole Grass's NPI number?
The NPI number for Nicole Grass is 1356701478. It was assigned to this individual provider in the NPPES registry on March 2, 2016.
Where is Nicole Grass located?
Nicole Grass practices at 1840 Amherst St, Winchester, VA 22601. The listed phone number is (540) 536-8000.
What is Nicole Grass's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Nicole Grass enrolled in Medicare?
Yes. Nicole Grass 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 Nicole Grass's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nicole Grass reassigns Medicare benefits to 3 organizations: Valley Health Anesthesia Services, LLC (Winchester, VA), Winchester Medical Center (Winchester, VA) and Winchester Anesthesiologists Inc (Winchester, VA). 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 Nicole Grass's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nicole Grass accept?
Health plans from CareSource list Nicole Grass as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Nicole Grass affiliated with any hospitals?
According to CMS data, Nicole Grass is affiliated with Winchester Medical Center.
When was this NPI record last updated?
The NPPES record for Nicole Grass was last updated on September 9, 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.