MRS. ERIN RINTOUL MOUYEOS N.P.
NPI 1053554188
Nurse Practitioner in Williamsville, NY
About Mrs. Erin Rintoul Mouyeos N.p. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. ERIN RINTOUL MOUYEOS N.P. (NPI 1053554188) is an individual nurse practitioner in Williamsville, New York, licensed in New York (307974) and active in the NPI registry since April 2009. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Of Buffalo, and maintains a secondary practice location in Buffalo.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 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
Mrs. Erin Rintoul Mouyeos N.p. 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
6Medicare enrollment records show Erin Mouyeos reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
East Amherst, NY 14051
- Reassigned Medicare billing, New York enrollment
- 7 clinicians in this Medicare group
Cheektowaga, NY 14225
- Reassigned Medicare billing, New York enrollment
- 515 clinicians in this Medicare group
Kenmore, NY 14217
- Reassigned Medicare billing, New York enrollment
- 271 clinicians in this Medicare group
Buffalo, NY 14263
- Reassigned Medicare billing, New York enrollment
- 602 clinicians in this Medicare group
Buffalo, NY 14220
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Mercy Hospital Of Buffalo
- 499 clinicians in this Medicare group
Lewiston, NY 14092
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Mount St. Marys Hospital Of Niagara Falls
- 289 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 3
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.
Mercy Hospital Of Buffalo
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.
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 Erin Mouyeos's NPI number?
The NPI number for Erin Mouyeos is 1053554188. It was assigned to this individual provider in the NPPES registry on April 20, 2009.
Where is Erin Mouyeos located?
Erin Mouyeos practices at 330 Randwood Dr, Williamsville, NY 14221. The listed phone number is (716) 835-0503.
What is Erin Mouyeos's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Erin Mouyeos enrolled in Medicare?
Yes. Erin Mouyeos 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 Erin Mouyeos's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Erin Mouyeos reassigns Medicare benefits to 6 organizations: Buffalo Breathe Now Medical PC (East Amherst, NY), Sisters Of Charity Hospital Of Buffalo New York (Cheektowaga, NY), Kenmore Mercy Hospital (Kenmore, NY), Roswell Park Cancer Institute (Buffalo, NY), Chs Neuroscience Group (Buffalo, NY) and 1 more organization, listed in the Medicare section above. 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 Erin Mouyeos's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Erin Mouyeos affiliated with any hospitals?
According to CMS data, Erin Mouyeos is affiliated with Mercy Hospital Of Buffalo.
When was this NPI record last updated?
The NPPES record for Erin Mouyeos was last updated on January 26, 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.