MARY JILL VAILLANCOURT CRNP
NPI 1104290915
Nurse Practitioner - Adult Health in Jamestown, NY
About Mary Jill Vaillancourt Crnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY JILL VAILLANCOURT CRNP (NPI 1104290915) is an individual adult health provider in Jamestown, New York, licensed in New York (F307302) and active in the NPI registry since November 2015. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 4
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mary Jill Vaillancourt Crnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show Mary Vaillancourt reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Jamestown, NY 14701
- Reassigned Medicare billing, New York enrollment
- 233 clinicians in this Medicare group
Jamestown, NY 14701
- Reassigned Medicare billing, New York enrollment
- 11 clinicians in this Medicare group
Westfield, NY 14787
- Reassigned Medicare billing, New York enrollment
- 16 clinicians in this Medicare group
Dunkirk, NY 14048
- Reassigned Medicare billing, New York enrollment
- 63 clinicians in this Medicare group
Scottsdale, AZ 85254
- Reassigned Medicare billing, New York enrollment
- 354 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
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14701 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.
JAMESTOWN, NY 14701
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 Mary Vaillancourt's NPI number?
The NPI number for Mary Vaillancourt is 1104290915. It was assigned to this individual provider in the NPPES registry on November 17, 2015.
Where is Mary Vaillancourt located?
Mary Vaillancourt practices at 107 Institute St, Jamestown, NY 14701. The listed phone number is (716) 484-4334.
What is Mary Vaillancourt's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Mary Vaillancourt enrolled in Medicare?
Yes. Mary Vaillancourt is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mary Vaillancourt's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Vaillancourt reassigns Medicare benefits to 5 organizations: Great Lakes Physician Practice PC (Jamestown, NY), Family Health Medical Services PLLC (Jamestown, NY), Westfield Family Physicians,pc (Westfield, NY), The Chautauqua Center, Inc (Dunkirk, NY) and Apogee Medical Group, New York, PC (Scottsdale, AZ). 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 Mary Vaillancourt'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 Mary Vaillancourt was last updated on August 31, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.