DR. OLIVIA RENEE COX CRNP, AGPCNP-C
NPI 1346854924
Nurse Practitioner - Adult Health in Williamsville, NY
About Dr. Olivia Renee Cox Crnp, Agpcnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. OLIVIA RENEE COX CRNP, AGPCNP-C (NPI 1346854924) is an individual adult health provider in Williamsville, New York, licensed in New York (309908) and active in the NPI registry since September 2020. She is enrolled in Medicare PECOS, is affiliated with Sisters Of Charity Hospital, and is a graduate of Other (2020).
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 and accepts Medicare assignment
Dr. Olivia Renee Cox Crnp, Agpcnp-c 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 Reassignment
Medicare enrollment records show Olivia Cox reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Williamsville, NY 14221
- Reassigned Medicare billing, New York enrollment
- 344 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Sisters Of Charity Hospital
Acute Care Hospitals · Buffalo, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14221 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.
WILLIAMSVILLE, NY 14221
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 Olivia Cox's NPI number?
The NPI number for Olivia Cox is 1346854924. It was assigned to this individual provider in the NPPES registry on September 1, 2020.
Where is Olivia Cox located?
Olivia Cox practices at 295 Essjay Rd, Williamsville, NY 14221. The listed phone number is (716) 630-1212.
What is Olivia Cox's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Olivia Cox enrolled in Medicare?
Yes. Olivia Cox 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 organization bills Medicare for Olivia Cox's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Olivia Cox reassigns Medicare benefits to Buffalo Medical Group, P.C. (Williamsville, NY). 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 Olivia Cox's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Olivia Cox affiliated with any hospitals?
According to CMS data, Olivia Cox is affiliated with Sisters Of Charity Hospital.
When was this NPI record last updated?
The NPPES record for Olivia Cox was last updated on April 23, 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.