CAROLYN MARIE O'BRIEN
NPI 1790338507
Occupational Therapist in Fairport, NY
About Carolyn Marie O'brien NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CAROLYN MARIE O'BRIEN (NPI 1790338507) is an individual occupational therapist in Fairport, New York, licensed in New York (413098) and active in the NPI registry since July 2019. She maintains a secondary practice location in Seattle and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Carolyn Marie O'brien is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Carolyn O'brien reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Lynnwood, WA 98036
- Reassigned Medicare billing, Washington enrollment
- 1,021 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.
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 Carolyn O'brien's NPI number?
The NPI number for Carolyn O'brien is 1790338507. It was assigned to this individual provider in the NPPES registry on July 21, 2019.
Where is Carolyn O'brien located?
Carolyn O'brien practices at 39 Royale Dr, Fairport, NY 14450. The listed phone number is (585) 683-4039.
What is Carolyn O'brien's specialty?
The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.
Is Carolyn O'brien enrolled in Medicare?
Yes. Carolyn O'brien is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Carolyn O'brien's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Carolyn O'brien reassigns Medicare benefits to Virginia Mason Medical Center (Lynnwood, WA). 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 Carolyn O'brien's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Carolyn O'brien accept?
Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Carolyn O'brien 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.
When was this NPI record last updated?
The NPPES record for Carolyn O'brien was last updated on March 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.